Lock Washers

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Lock washers are used for creating tight assemblies with ordinary fasteners. Raptor Supplies offers a wide range of lock washers from brands like Unistrut, ...Read more

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Delta Protect Steel Wedge Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceColorPrice (inc. VAT)Pkg. Qty.
A1206#50.13"7/25"Rockwell C460.071"-0.01" to +0.01"Silver£188.121
B1512#50.13"7/25"Rockwell C460.071"-0.01" to +0.01"Silver£24.191
C1207#60.15"0.3"Rockwell C460.071"-0.01" to +0.01"Silver£199.301
D1513#60.15"0.3"Rockwell C460.071"-0.01" to +0.01"Silver£21.0720
E1514#60.15"0.35"Rockwell C460.071"-0.01" to +0.01"Silver£21.0720
F1208#60.15"0.35"Rockwell C460.071"-0.01" to +0.01"Silver£201.241
G1515#80.17"0.3"Rockwell C460.071"-0.01" to +0.01"Silver£24.191
H1212#80.17"0.35"Rockwell C460.071"-0.01" to +0.01"Silver£202.151
I1516#80.17"0.35"Rockwell C460.071"-0.01" to +0.01"Silver£24.191
J1209#80.17"0.3"Rockwell C460.071"-0.01" to +0.01"Silver£155.341
K1518#100.21"0.43"Rockwell C460.071"-0.01" to +0.01"Silver£24.191
L1218#100.21"0.43"Rockwell C460.071"-0.01" to +0.01"Silver£202.201
M1517#100.21"0.35"Rockwell C460.071"-0.01" to +0.01"Silver£21.0520
N1213#100.21"0.35"Rockwell C460.071"-0.01" to +0.01"Silver£155.341
O15581 1/2"1.59"2.3"Rockwell C460.26"-0.02" to +0.02"Silver£21.441
PGDP-1131 1/2"1.523"2.196"Rockwell C40-C550.256"-Silver£295.0725
Q28061 1/2"1.59"2.3"Rockwell C460.26"-0.02" to +0.02"Silver£461.451
RGDP-1121 1/4"1.275"1 7/8"Rockwell C40-C550.265"-Silver£188.6825
S15551 1/4"1.35"2.3"Rockwell C460.26"-0.02" to +0.02"Silver£21.441
T27171 1/4"1.35"1.91"Rockwell C460.26"-0.02" to +0.02"Silver£339.761
U15541 1/4"1.35"1.91"Rockwell C460.23"-0.02" to +0.02"Silver£16.811
V27421 1/4"1.35"2.3"Rockwell C460.26"-0.02" to +0.02"Silver£460.871
W15521 1/8"1 6/25"1.85"Rockwell C460.23"-0.02" to +0.02"Silver£15.101
X13411 1/8"1 6/25"1.85"Rockwell C460.13"-0.02" to +0.02"Silver£487.511
YGDP-1111 1/8"1.14"1.715"Rockwell C40-C550.256"-Silver£183.021
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Plain Grade 254 SMO Stainless Steel Wedge Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceColorPrice (inc. VAT)Pkg. Qty.
A1560#50.13"7/25"Rockwell C520.09"-0.01" to +0.01"Silver£33.891
B1561#60.15"0.3"Rockwell C520.09"-0.01" to +0.01"Silver£37.6710
C1562#60.15"0.35"Rockwell C520.09"-0.01" to +0.01"Silver£35.501
D1564#80.17"0.35"Rockwell C520.09"-0.01" to +0.01"Silver£34.301
E1563#80.17"0.3"Rockwell C520.09"-0.01" to +0.01"Silver£37.881
F1565#100.21"0.35"Rockwell C520.09"-0.01" to +0.01"Silver£31.481
G1566#100.21"0.43"Rockwell C520.09"-0.01" to +0.01"Silver£40.6010
H16041 1/2"1.59"2.3"Rockwell C520.22"-0.02" to +0.02"Silver£90.611
I28341 1/4"1.35"1.91"Rockwell C520.22"-0.02" to +0.02"Silver£66.251
J16001 1/8"1 6/25"1.85"Rockwell C520.22"-0.02" to +0.02"Silver£52.441
K28351 3/8"1.47"2.17"Rockwell C520.22"-0.02" to +0.02"Silver£66.661
L15971"1.1"1.91"Rockwell C520.13"-0.01" to +0.01"Silver£50.231
M15961"1.1"1.54"Rockwell 520.13"-0.01" to +0.01"Silver£51.911
N15801/2"0.53"0.77"Rockwell 522/25"-0.01" to +0.01"Silver£49.391
O15811/2"0.53"1"Rockwell C520.13"-0.01" to +0.01"Silver£53.761
P15691/4"7/25"0.45"Rockwell 520.09"-0.01" to +0.01"Silver£37.361
Q15701/4"7/25"0.53"Rockwell C520.09"-0.01" to +0.01"Silver£37.2910
R15883/4"0.79"1.21"Rockwell 520.13"-0.01" to +0.01"Silver£31.823
S15893/4"0.79"1.54"Rockwell C520.13"-0.01" to +0.01"Silver£49.671
T15733/8"0.41"0.65"Rockwell 522/25"-0.01" to +0.01"Silver£50.3810
U15743/8"0.41"0.83"Rockwell C522/25"-0.01" to +0.01"Silver£41.826
V15845/8"0.67"1"Rockwell 523/25"-0.01" to +0.01"Silver£46.041
W15855/8"0.67"1.21"Rockwell C520.1"-0.01" to +0.01"Silver£51.481
X15715/16"0.34"0.53"Rockwell 522/25"-0.01" to +0.01"Silver£36.851
Y15725/16"0.34"0.65"Rockwell C522/25"-0.01" to +0.01"Silver£47.8810
MIDWEST ACORN NUT -

Chrome Plated Steel Split Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessHardnessThickness ToleranceTypeMaterialPrice (inc. VAT)Pkg. Qty.
AMPB10001/4"0.26"0.487"1/16"Rockwell C38-C46-0.01" to +0.01"Split LockSteel£51.9350
BMPB10023/8"0.385"17/25"3/32"Rockwell C38-C46-0.01" to +0.01"Split LockSteel£47.8950
CMPB10015/16"0.322"0.583"0.0781"Rockwell C38-C46-0.01" to +0.01"Split LockSteel£47.8950
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessTypeMaterialFinish
AE148-1/21/2"1/2"--Split LockSteelGold Galvanized
RFQ
AE148-1/41/4"0.26"0.487"1/16"Split LockSteelGold Galvanized
RFQ
AE148-3/83/8"3/8"--Split LockSteelGold Galvanized
RFQ
AE148-5/85/8"0.641"1.073"0.156"Split LockSteelGold Galvanized
RFQ
AE148-5/165/16"0.325"0.586"0.0781"Split LockSteelGold Galvanized
RFQ
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Yellow Zinc Plated Spring Steel Split Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessColorClassTypeMaterialPrice (inc. VAT)Pkg. Qty.
AM37060.030.0001M33.1 mm6.2 mm0.8 mmGray-Split LockSpring Steel£5.061
AM37060.040.0001M44.1 mm7.6 mm0.9 mmGray-Split LockSpring Steel£4.791
AM37060.050.0001M55.1 mm9.2 mm1.2 mmGray-Split LockSpring Steel£8.62100
BM37060.060.0001M66.1 mm11.8 mm1.6 mmSilverNot ApplicableSplit LockSpring Steel£10.091
AM37060.070.0001M77.1 mm12.8 mm1.6 mmGray-Split LockSpring Steel£14.80100
AM37060.080.0001M88.1 mm14.8 mm2 mmGray-Split LockSpring Steel£9.28100
CM37060.100.0001M1010.2 mm18.1 mm2.2 mmSilverNot ApplicableSplit LockSpring Steel£13.671
AM37060.120.0001M1212.2 mm21.1 mm2.5 mmGray-Split LockSpring Steel£21.59100
AM37060.140.0001M1414.2 mm24.1 mm3 mmGray-Split LockSpring Steel£38.221
DM37060.160.0001M1616.2 mm27.4 mm3.5 mmSilverNot ApplicableSplit LockSpring Steel£25.6050
AM37060.180.0001M1818.2 mm29.4 mm3.5 mmGray-Split LockSpring Steel£28.9150
AM37060.200.0001M2020.2 mm33.6 mm4 mmGray-Split LockSpring Steel£15.4125
AM37060.220.0001M2222.5 mm35.9 mm4 mmGray-Split LockSpring Steel£35.931
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Zinc Plated Steel Wedge Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessColorThickness TolerancePrice (inc. VAT)Pkg. Qty.
A099-01#80.175"0.34"Rockwell C40-C552/25"Silver-£101.83200
B23971/2"13/25"0.768"Rockwell C469/64"Gray-0.28 mm to +0.28 mm£324.11200
C098-M13 mm3.81 mm8.6 mmRockwell C40-C552.03 mmSilver-£89.27200
B24033/4"0.779"1.209"Rockwell C460.2188"Gray-0.28 mm to +0.28 mm£396.70100
B23933/8"0.394"0.654"Rockwell C460.102"Gray-0.28 mm to +0.28 mm£219.07200
D100-013/16"0.203"0.401"Rockwell C40-C552/25"Silver-£102.29200
E099-M14 mm4.45 mm8.6 mmRockwell C40-C552.03 mmSilver-£92.40200
F100-M15 mm5.15 mm10.2 mmRockwell C40-C552.03 mmSilver-£103.461
B26186 mm6.3 mm13.5 mmRockwell C461.77 mmGray-0.28 mm to +0.28 mm£193.18200
B33036 mm6.3 mm10.8 mmRockwell C461.77 mmGray-0.28 mm to +0.28 mm£180.86200
B23738 mm8.4 mm13.5 mmRockwell C462.29 mmGray-0.28 mm to +0.28 mm£193.18200
B23748 mm8.4 mm16.6 mmRockwell C462.29 mmGray-0.28 mm to +0.28 mm£217.78200
B237510 mm10.5 mm16.6 mmRockwell C462.95 mmGray-0.28 mm to +0.28 mm£219.07200
B262110 mm10.5 mm21 mmRockwell C462.95 mmGray-0.28 mm to +0.28 mm£368.19200
B237612 mm12.5 mm19.5 mmRockwell C463.5 mmGray-0.28 mm to +0.28 mm£365.59200
B237712 mm12.5 mm25.4 mmRockwell C463.5 mmGray-0.28 mm to +0.28 mm£264.45100
B239914 mm14.6 mm23 mmRockwell C464.03 mmGray-0.28 mm to +0.28 mm£241.13100
B237916 mm16.6 mm30.7 mmRockwell C464.74 mmGray-0.28 mm to +0.28 mm£396.70100
B237816 mm16.6 mm25.4 mmRockwell C464.74 mmGray-0.28 mm to +0.28 mm£264.45100
B238020 mm20.7 mm30.7 mmRockwell C466.01 mmGray-0.32 mm to +0.32 mm£396.70100
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessClassHardnessTypeMaterialPrice (inc. VAT)Pkg. Qty.
AM37320.030.0001M33.2 mm6 mm0.4 mm to 0.8 mmNot ApplicableRockwell C35-C42Internal Tooth LockSteel£5.811
AM37320.040.0001M44.3 mm8 mm0.5 mm to 1 mmNot ApplicableRockwell C35-C42Internal Tooth LockSteel£5.071
AM37320.050.0001M55.3 mm10 mm0.6 mm to 1.2 mmNot ApplicableRockwell C35-C42Internal Tooth LockSteel£6.881
AM37320.060.0001M66.4 mm11 mm0.7 mm to 1.4 mmNot ApplicableRockwell C35-C42Internal Tooth LockSteel£6.531
AM37320.080.0001M88.4 mm15 mm0.8 mm to 1.6 mmNot ApplicableRockwell C35-C42Internal Tooth LockSteel£10.02100
AM37320.100.0001M1010.5 mm18 mm0.9 mm to 1.8 mmNot ApplicableRockwell C35-C42Internal Tooth LockSteel£18.361
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceClassHardnessPrice (inc. VAT)
AM37000.030.0001M33.1 mm6.2 mm0.8 mm-0.1 mm to +0.1 mmNot ApplicableRockwell C44-C51£4.04
AM37200.030.0001M33.1 mm5.6 mm1 mm-Not ApplicableRockwell C44-C51£6.45
AM37000.035.0001M3.53.6 mm6.7 mm0.8 mm-0.1 mm to +0.1 mmNot ApplicableRockwell C44-C51£4.11
AM37200.040.0001M44.1 mm7 mm1.2 mm-Not ApplicableRockwell C44-C51£4.31
AM37000.040.0001M44.1 mm7.6 mm0.9 mm-0.1 mm to +0.1 mmNot ApplicableRockwell C44-C51£2.64
AM37000.050.0001M55.1 mm9.2 mm1.2 mm-0.1 mm to +0.1 mmNot ApplicableRockwell C44-C51£1.77
AM37200.050.0001M55.1 mm8.8 mm1.6 mm-Not ApplicableRockwell C44-C51£7.81
AM37000.060.0001M66.1 mm11.8 mm1.6 mm-0.1 mm to +0.1 mmNot ApplicableRockwell C44-C51£3.06
AM37200.060.0001M66.1 mm9.9 mm1.6 mm-Not ApplicableRockwell C44-C51£3.09
AM37000.080.0001M88.1 mm14.8 mm2 mm-0.1 mm to +0.1 mmNot ApplicableRockwell C44-C51£4.39
AM37200.080.0001M88.1 mm12.7 mm2 mm-Not ApplicableRockwell C44-C51£5.29
AM37000.100.0001M1010.2 mm18.1 mm2.2 mm-0.15 mm to +0.15 mmNot ApplicableRockwell C44-C51£5.05
AM37200.100.0001M1010.2 mm16 mm2.5 mm-0.127 mm to +0.127 mmNot ApplicableRockwell C44-C51£4.71
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceClassHardnessPrice (inc. VAT)Pkg. Qty.
ALWIS-100-100P#101/5"0.334"0.047"0.047" to 0.062"Not ApplicableRockwell C38-C46£1.64100
ALWIS0250-100P1/4"0.26"0.487"1/16"0.062" to 0.109"Not ApplicableRockwell C38-C46£1.80100
ALWIS0370-100P3/8"0.385"17/25"3/32"0.094" to 0.141"Not ApplicableRockwell C38-C46£4.35100
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Plain Grade 316 Stainless Steel Wedge Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceColorPrice (inc. VAT)Pkg. Qty.
A1069#50.13"7/25"Rockwell C460.09"-0.01" to +0.01"Silver£614.021
A1070#60.15"0.3"Rockwell C520.09"-0.01" to +0.01"Silver£623.961
B1071#60.15"0.35"Rockwell C520.09"-0.01" to +0.01"Silver£656.951
B1074#80.17"0.35"Rockwell C520.09"-0.01" to +0.01"Silver£614.571
A1072#80.17"0.3"Rockwell C520.09"-0.01" to +0.01"Silver£611.171
A1075#100.21"0.35"Rockwell C520.09"-0.01" to +0.01"Silver£602.101
B1079#100.21"0.43"Rockwell C520.09"-0.01" to +0.01"Silver£630.881
A28071 1/2"1.59"2.3"Rockwell C520.27"-0.02" to +0.02"Silver£2,083.071
A27331 1/4"1.35"1.91"Rockwell C520.27"-0.02" to +0.02"Silver£1,311.421
A27221 1/8"1 6/25"1.85"Rockwell C520.27"-0.02" to +0.02"Silver£2,361.011
B27451 1/8"1 6/25"2.3"Rockwell C520.27"-0.02" to +0.02"Silver£2,063.891
A29021 3/4"1.82"2 19/25"Rockwell C520.27"-0.03" to +0.03"Silver£244.351
A27321 3/8"1.47"2.17"Rockwell C520.27"-0.02" to +0.02"Silver£1,737.901
B27461"1.1"1.91"Rockwell C520.13"-0.01" to +0.01"Silver£2,528.081
A27341"1.1"1.54"Rockwell C520.13"-0.01" to +0.01"Silver£2,193.861
A21491/2"0.53"0.77"Rockwell C520.09"-0.01" to +0.01"Silver£1,031.101
B11101/2"0.53"1"Rockwell C520.13"-0.01" to +0.01"Silver£1,047.91100
A10851/4"7/25"0.45"Rockwell C520.09"-0.01" to +0.01"Silver£634.251
B10861/4"7/25"0.53"Rockwell C520.09"-0.01" to +0.01"Silver£700.971
A29072 1/2"2 16/25"3.74"Rockwell C520.35"-0.03" to +0.03"Silver£758.451
A29052 1/4"2.33"3.35"Rockwell C520.35"-0.03" to +0.03"Silver£703.031
A29042"2.11"3.15"Rockwell C520.35"-0.03" to +0.03"Silver£691.661
A29103"3.11"4.33"Rockwell C520.35"-0.03" to +0.03"Silver£825.411
A11213/4"0.79"1.21"Rockwell C520.13"-0.01" to +0.01"Silver£1,477.811
B27403/4"0.79"1.54"Rockwell C520.13"-0.01" to +0.01"Silver£2,074.461
APPROVED VENDOR -

Zinc Plated Grade 2 Steel External Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceClassColorPrice (inc. VAT)Pkg. Qty.
AU37420.021.0001#120.231"0.475"Rockwell C40-C500.027"0.02" to 0.027"Not ApplicableSilver£6.97100
BU37420.100.00011"1.025"1.59"Rockwell C38-C460.059"0.059" to 0.067"Not ApplicableSilver£9.141
CU37420.025.00011/4"0.267"0.51"Rockwell C40-C500.028"0.023" to 0.028"Not ApplicableSilver£7.05100
DU37420.087.00017/8"0.897"1.38"Rockwell C38-C460.052"0.052" to 0.06"Not ApplicableSilver£6.361
FABORY -

Plain Stainless Steel Internal Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceColorPrice (inc. VAT)Pkg. Qty.
AB53462.025.0001#20.256"0.46"-0.023"--£1,310.9025000
BB53462.008.0001#20.089"0.172"-0.01"--£2,903.1550000
CB51462.011.0001#20.115"0.245"Rockwell C45-C500.012"0.012" to 0.018"-£1,588.4250000
DB53462.050.0001#30.512"0.867"Rockwell C400.037"-0.004" to +0.004"-£1,628.795000
EB53462.009.0001#30.102"0.215"-0.01"--£3,289.7450000
FB53462.031.0001#38/25"0.594"-0.028"--£1,559.5517200
GB53462.037.0001#40.384"0.67"-0.032"--£1,616.5213150
HB51462.075.0001#40.769"1.22"Rockwell C45-C500.047"0.047" to 0.055"-£2,645.102500
IB51462.013.0001#40.141"0.275"-0.016"--£2,621.8150000
JB53462.062.0001#416/25"1.045"Rockwell C400.042"-0.004" to +0.004"-£3,045.015000
KB53462.011.0001#40.115"0.245"Rockwell C40-C500.012"0.012" to 0.018"-£2,591.8650000
LB53462.075.0001#50.769"1.22"Rockwell C400.047"-0.004" to +0.004"-£2,186.092500
MB51462.016.0001#60.168"0.325"Rockwell C45-C500.018"0.018" to 0.023"-£2,972.2250000
NB51462.037.0001#60.384"0.67"Rockwell C45-C500.032"0.032" to 0.04"-£2,014.7713150
OB53462.013.0001#60.141"0.275"Rockwell C40-C500.016"0.016" to 0.022"-£1,966.3650000
PB55462.016.0001#80.168"0.325"-0.018"--£8,341.0450000
QB53462.016.0001#80.168"0.325"Rockwell C40-C500.018"0.018" to 0.023"-£2,831.4950000
RB51462.019.0001#80.195"0.365"Rockwell C45-C500.018"0.018" to 0.024"-£2,492.7750000
SB53462.019.0001#100.195"0.365"Rockwell C40-C500.018"0.018" to 0.024"-£3,475.9650000
MB51462.025.0001#100.256"0.46"Rockwell C20-C450.023"0.023" to 0.028"-£1,447.4625000
TB51462.050.0001#100.512"0.867"Rockwell C45-C500.037"0.037" to 0.045"-£2,338.305000
UB53462.021.0001#120.221"0.394"Rockwell C40-C500.02"0.02" to 0.027"-£1,194.2425000
MB55462.025.00011/4"0.256"0.46"Rockwell B880.023"-0.0025" to +0.0025"-£14,139.7525000
VB55462.037.00013/8"0.384"0.67"-0.032"--£1,612.9913150
MB55462.031.00015/16"8/25"0.594"-0.028"--£12,471.8017200
APPROVED VENDOR -

Plain Grade A2 Stainless Steel Internal Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessClassTypeMaterialGradePrice (inc. VAT)Pkg. Qty.
AM51458.020.0001M22.2 mm4.5 mm0.3 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£3.511
BSIW7X0250-100P1M2.52.7 mm5.5 mm0.4 mm to 0.8 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£6.60100
BSIW7X0260-100P1M2.62.8 mm5.5 mm0.4 mm to 0.8 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£6.94100
CM51458.030.0001M33.2 mm6 mm0.4 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£2.8250
BSIW7X0350-100P1M3.53.7 mm7 mm0.5 mm to 1 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£7.14100
DM51458.040.0001M44.3 mm8 mm0.5 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£2.981
EM51458.050.0001M55.3 mm10 mm0.6 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£2.821
FM51458.060.0001M66.4 mm11 mm0.7 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£4.431
GM51458.080.0001M88.4 mm15 mm0.8 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£5.931
HM51458.100.0001M1010.5 mm18 mm0.9 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£7.471
IM51458.120.0001M1213 mm20.5 mm1 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£3.821
JM51458.140.0001M1415 mm24 mm1 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£5.361
KM51458.160.0001M1617 mm26 mm1.2 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£4.391
LM51458.200.0001M2021 mm33 mm1.4 mmNot ApplicableInternal Tooth LockStainless SteelGrade A2£4.571
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Zinc Plated Steel Internal and External Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessClassHardnessTypeMaterialPrice (inc. VAT)Pkg. Qty.
AB37590.050.0001#40.512"1.38"0.052"--Internal And External Tooth LockSteel£3,717.056750
BB37590.037.0001#120.384"1 1/8"0.042"--Internal And External Tooth LockSteel£3,343.5613150
CU37590.050.00011/2"0.512"1.38"0.052"Not ApplicableRockwell C40-C50Internal And External Tooth LockSteel£11.8725
DU37590.037.00013/8"0.384"1 1/8"0.042"Not ApplicableRockwell C40-C50Internal And External Tooth LockSteel£10.9450
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Zinc Plated Steel External Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceClassColorPrice (inc. VAT)Pkg. Qty.
AB37420.013.0001#20.141"0.305"-0.016"---£959.3690000
BB37420.016.0001#30.168"0.365"-0.018"---£546.2150000
CB37420.019.0001#40.195"0.395"-0.018"---£860.4250000
DB37420.031.0001#48/25"0.588"-0.028"---£672.9222700
EU37420.011.0001#40.123"0.26"Rockwell C40-C500.018"-Not Applicable-£1.741
FB37420.062.0001#40.641"1.045"-0.042"---£879.845000
GB37420.037.0001#50.384"0.67"-0.032"---£855.7314450
HU37420.013.0001#60.15"8/25"Rockwell C40-C500.022"-Not Applicable-£1.441
IB37420.075.0001#60.768"1.22"-0.047"---£868.943330
JB37420.043.0001#60.448"0.74"-0.032"---£1,296.4112500
K6DZC4#60.15"8/25"Rockwell C40-C500.022"-0.006"Not Applicable-£6.57100
LU37420.016.0001#80.176"0.381"Rockwell C40-C500.023"-Not Applicable-£1.56100
K6DZC5#80.176"0.381"Rockwell C40-C500.023"-0.005"Not Applicable-£4.02100
MB37420.050.0001#80.513"22/25"-0.037"---£679.466750
NU37420.019.0001#100.204"0.41"Rockwell C40-C500.024"-Not Applicable-£1.52100
OB37420.056.0001#100.576"24/25"-0.037"---£1,253.076325
PB37420.011.0001#120.115"0.245"-0.012"---£987.0990000
QU37420.050.00011/2"0.513"22/25"Rockwell C40-C500.037"-Not Applicable-£3.671
RU37420.075.00013/4"0.768"1.22"Rockwell C40-C500.047"-Not Applicable-£4.1410
SU37420.037.00013/8"0.384"0.67"Rockwell C40-C500.032"-Not Applicable-£4.341
TU37420.062.00015/8"0.641"1.045"Rockwell C40-C500.042"-Not Applicable-£2.8010
UU37420.031.00015/16"0.332"0.61"Rockwell C40-C500.034"-Not Applicable-£4.601
VU37420.043.00017/16"0.448"0.74"Rockwell C40-C500.032"-Not Applicable-£2.2425
WU37420.056.00019/16"0.576"24/25"Rockwell C40-C500.037"-Not Applicable-£4.2625
XM37420.030.0001M33.2 mm6 mmRockwell C38-C460.4 mm-Not Applicable-£6.991
APPROVED VENDOR -

Plain Grade 410 Stainless Steel External Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceClassColorPrice (inc. VAT)Pkg. Qty.
A1NY46#40.123"0.26"Rockwell C400.018"0.012" to 0.018"Not ApplicableSilver£5.60100
BU53460.011.0001#40.115"0.245"Rockwell C40-C500.012"0.012" to 0.018"Not Applicable-£2.421
CU53460.013.0001#60.141"0.305"Rockwell C400.016"0.016" to 0.022"Not Applicable-£2.041
DU53460.016.0001#80.168"0.365"Rockwell C400.018"-Not Applicable-£3.181
EU53460.019.0001#100.195"0.395"Rockwell C400.018 ft.-Not Applicable-£4.581
FU53460.050.00011/2"0.513"22/25"Rockwell C400.037"-Not Applicable-£3.671
GU53460.025.00011/4"0.256"0.494"Rockwell C400.023"0.023" to 0.028"Not Applicable-£10.321
HU53460.075.00013/4"0.768"1.22"Rockwell C400.047"-Not Applicable-£6.151
IU53460.037.00013/8"0.398"0.694"Rockwell C401/25"0.032" to 0.04"Not ApplicableSilver£15.571
JU53460.062.00015/8"0.641"1.045"Rockwell C400.042"-Not Applicable-£15.641
KU53460.031.00015/16"8/25"0.588"Rockwell C400.028"-Not Applicable-£8.851
LU53460.043.00017/16"0.448"0.74"Rockwell C400.032"0.032" to 0.04"Not Applicable-£11.401
-

Plain Phosphor Bronze Internal Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceClassPrice (inc. VAT)Pkg. Qty.
AB50462.037.0001#20.384"0.67"-0.032"--£7,147.8213150
BB50462.008.0001#20.089"0.172"-0.01"--£5,670.4590000
CU50462.008.0001#20.095"1/5"Rockwell B900.015"0.01" to 0.016"Not Applicable£4.471
DB50462.011.0001#30.115"0.245"-0.012"--£7,765.0690000
EB50462.050.0001#30.512"0.867"-0.037"--£7,747.126750
FB50462.013.0001#40.141"0.275"-0.016"--£8,557.3290000
GU50462.011.0001#40.123"0.27"Rockwell B900.018"0.012" to 0.018"Not Applicable£9.151
HU50462.013.0001#60.15"0.295"Rockwell B900.02"0.016" to 0.022"Not Applicable£8.461
IB50462.016.0001#60.168"0.325"-0.018"--£5,058.8350000
JB50462.019.0001#80.195"0.365"-0.018"--£10,457.3250000
KU50462.016.0001#80.176"0.34"Rockwell B900.023"0.018" to 0.023"Not Applicable£8.681
LU50462.019.0001#100.204"0.381"Rockwell B900.024"0.018" to 0.024"Not Applicable£20.841
MB50462.031.0001#128/25"0.594"-0.028"--£10,755.1417200
NU50462.050.00011/2"0.53"0.9"Rockwell B900.045"0.037" to 0.045"Not Applicable£20.741
OU50462.025.00011/4"0.256"0.46"Rockwell B900.023"0.023" to 0.028"Not Applicable£23.321
PB50462.025.00011/4"0.256"0.46"-0.023"--£7,690.1137000
QU50462.037.00013/8"0.398"0.692"Rockwell B901/25"0.032" to 0.04"Not Applicable£30.721
RU50462.031.00015/16"8/25"0.594"Rockwell C500.028"-Not Applicable£75.151
-

Plain Silicon Bronze Split Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceClassHardnessPrice (inc. VAT)Pkg. Qty.
AB43150.025.0001#40.252"0.487"1/16"---£2,672.349300
B1NU87#43/25"0.209"0.025"+0.025"Not ApplicableRockwell B90£5.141
CB43150.037.0001#60.377"17/25"3/32"---£2,243.803400
D1NU88#60.148"1/4"0.031"+0.031"Not ApplicableRockwell B90£7.34100
EU43150.013.0001#60.141"1/4"0.031"Not Rated-Rockwell B90£8.451
EU43150.016.0001#80.167"0.293"1/25"--Rockwell B90£16.82100
FB43150.050.0001#80.502"0.869"1/8"---£4,070.571650
GB43150.019.0001#80.193"0.334"0.047"---£5,880.2030300
HB43150.062.0001#100.628"1.073"0.156"---£4,461.03900
IB43150.021.0001#100.22"0.377"0.056"---£7,277.8016600
JU43150.019.0001#100.193"0.334"0.047"-Not ApplicableRockwell B90£45.48100
EU43150.021.0001#120.22"0.377"0.056"-Not ApplicableRockwell B90£41.49100
EU43150.050.00011/2"0.502"0.869"1/8"-Not ApplicableRockwell B90£50.951
K1NU951/2"0.641"1.073"1/8"+0.156"Not ApplicableRockwell B90£59.9125
EU43150.025.00011/4"0.252"0.487"1/16"-Not ApplicableRockwell B90£81.411
LU43150.037.00013/8"0.377"17/25"3/32"-Not ApplicableRockwell B90£84.241
MU43150.075.00015/8"0.766"1.265"0.156"+0.188"Not ApplicableRockwell B90£43.751
EU43150.062.00015/8"0.628"1.073"0.156"-Not ApplicableRockwell B90£59.051
EU43150.031.00015/16"0.314"0.583"0.0781"--Rockwell B90£62.611
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Zinc Plated Steel Internal Tooth Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.HardnessThicknessThickness ToleranceClassColorPrice (inc. VAT)Pkg. Qty.
AB37480.008.0001#20.089"0.172"-0.01"---£1,676.3690000
BB37321.025.0001#20.256"1/2"-0.035"---£13,125.5037000
CU37480.008.0001#20.095"1/5"Rockwell C40-C500.016"-Not Applicable-£1.43100
DB37321.031.0001#38/25"0.59"-1/25"---£5,596.4617200
EB37321.037.0001#40.384"0.7"-0.042"---£10,004.0313150
FB37480.050.0001#40.512"0.867"-0.037"---£1,007.486750
GB37480.011.0001#40.115"0.245"-0.012"---£820.2290000
HU37480.011.0001#40.123"0.27"Rockwell C40-C500.018"-Not Applicable-£1.281
I6DZC6#40.123"0.27"Rockwell C40-C500.018"-0.006"Not Applicable-£4.061
JB37480.087.0001#40.894"1.364"Rockwell C38-C460.052"0.052" to 0.06"--£1,416.072500
KB37480.056.0001#60.576"0.957"Rockwell C38-C460.037"0.037" to 0.045"--£1,026.735550
I6DZC7#60.15"0.295"Rockwell C40-C500.022"-0.006"Not Applicable-£4.00100
LB37480.013.0001#60.141"0.275"-0.016"---£1,011.9390000
MB37480.025.0001#60.256"0.46"Rockwell C40-C500.023"0.023" to 0.028"--£869.0337000
NU37480.013.0001#60.15"0.295"Rockwell C40-C500.022"-Not Applicable-£1.441
OB37321.050.0001#60.512"22/25"-0.055"---£9,420.246750
I6DZC8#80.176"0.34"Rockwell C40-C500.023"-0.006"Not Applicable-£6.23100
PU37480.016.0001#80.176"0.34"Rockwell C40-C500.023"-Not Applicable-£1.521
QB37480.031.0001#88/25"0.594"-0.028"---£582.5017200
RB37480.016.0001#80.168"0.325"-0.018"---£518.9050000
SB37321.062.0001#816/25"1.1"-0.059"---£9,577.975000
TB37480.062.0001#816/25"1.045"-0.042"---£879.145000
UB37480.037.0001#100.384"0.67"-0.032"---£886.9413150
VB37480.019.0001#100.195"0.365"-0.018"---£606.2950000
WB37480.075.0001#100.769"1.22"-0.047"---£1,081.762970
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessHardnessColorTypeMaterialPrice (inc. VAT)Pkg. Qty.
AU37061.150.00011 1/2"1.504"2.419"3/8"-GraySplit LockAlloy Steel£17.441
AU37061.125.00011 1/4"1.254"2.036"5/16"-GraySplit LockAlloy Steel£10.361
AU37061.112.00011 1/8"1.129"1.847"0.2813"Rockwell C38GraySplit LockAlloy Steel£19.651
AU37061.137.00011 3/8"1.379"2.219"0.3438"Rockwell C38GraySplit LockAlloy Steel£69.031
AU37061.100.00011"1.003"1.656"1/4"-GraySplit LockAlloy Steel£6.161
AU37061.050.00011/2"0.502"0.869"1/8"-GraySplit LockAlloy Steel£4.491
AU37061.025.00011/4"0.252"0.487"1/16"-GraySplit LockAlloy Steel£4.051
AU37061.075.00013/4"0.753"1.265"3/16"-GraySplit LockAlloy Steel£5.581
AB37061.037.00013/8"0.377"17/25"0.0938"-GraySplit LockAlloy Steel£217.333
AU37061.037.00013/8"0.377"17/25"0.0938"-GraySplit LockAlloy Steel£4.991
AU37061.062.00015/8"0.628"1.073"0.156"-GraySplit LockAlloy Steel£4.811
AU37061.031.00015/16"0.314"0.583"0.0781"-GraySplit LockAlloy Steel£5.471
AU37061.087.00017/8"0.878"1.459"0.2188"-GraySplit LockAlloy Steel£4.661
AU37061.043.00017/16"11/25"0.77"0.1094"-GraySplit LockAlloy Steel£4.071
AU37061.056.00019/16"0.564"0.965"9/64"-GraySplit LockAlloy Steel£5.901
FABORY -

Zinc Plated Spring Steel Split Lock Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessColorTypeMaterialFinishPrice (inc. VAT)Pkg. Qty.
AM37020.023.0001M2.32.4 mm4.9 mm0.6 mmGraySplit LockSpring SteelZinc Plated£2.801
BM37220.030.0001M33.1 mm5.6 mm1 mmGraySplit LockSpring SteelZinc Plated£2.43100
AL37060.100.0001M1010.2 mm18.1 mm2.2 mmSilverSplit LockSpring SteelZinc Plated£593.614000
AM37020.110.0001M1111.2 mm18.2 mm2.2 mmGraySplit LockSpring SteelZinc Plated£15.2450
BM37220.140.0001M1414.2 mm21.1 mm3 mmGraySplit LockSpring SteelZinc Plated£3.5825
AL37060.160.0001M1616.2 mm27.4 mm3.5 mmSilverSplit LockSpring SteelZinc Plated£641.491150
BM37220.220.0001M2222.5 mm32.9 mm4.5 mmGraySplit LockSpring SteelZinc Plated£12.801
BM37220.240.0001M2424.5 mm35.9 mm5 mmGraySplit LockSpring SteelZinc Plated£8.301
AM37020.270.0001M2727.5 mm43 mm5 mmGraySplit LockSpring SteelZinc Plated£11.5910
AM37020.330.0001M3333.5 mm55.2 mm6 mmGraySplit LockSpring SteelZinc Plated£3.152
12...1516

Lock Washers

Lock washers are used for creating tight assemblies with ordinary fasteners. Raptor Supplies offers a wide range of lock washers from brands like Unistrut, Vulcan-Hart, Midwest Acorn Nut, Fabory, Super-Strut, Metric Blue, Woodhead, Foreverbolt, Cooper B-Line, Disc-Lock and Armor Coat. These lock washers grab adjoining materials for preventing loosening due to vibration.

Frequently Asked Questions

How to install a lock washer?

  • Place the lock washer between the threaded fastener (like a nut) and the screw / bolt head.
  • Make sure that the lock washer press against the fastener & other adjacent surfaces and forms a tight connection. Press the fastener down to lock the grooves of a tooth lock washer with the grooves of the nut.
  • Use a wrench or ratchet to tighten the nut or threaded fastener.
  • Make sure that the teeth of the tooth lock washer are covered completely by the nut / fastener head, or that the split lock washer is slightly out of alignment to indicate tension on the threaded fastener. Users may loosen the nut / threaded fastener to adjust the washer if it is not operating correctly.

How to remove a lock washer?

  • After the operation is completed, the washer can be removed by simply removing the nut / threaded fastener that is holding the washer in place using a vise-grip or pipe wrench.
  • Use a flat screwdriver to pry the lock washer off. When removing a split washer, the screwdriver head should be placed inside the split or beneath the washer and pushed. When removing a washer having teeth, the screwdriver head should be placed under a tooth and pushed up, repeating the procedure with more teeth if required. For other lock washer types, the screwdriver head can be placed below the washer and pushed up. The washer may break during removal, depending on the amount of pressure being applied.
  • If the lock washer does not budge, use penetrating oil and repeat the previous step.
  • Some lock washers can be used multiple times easily. Other washers (split lock) can be used only 1 or 2 times. Users should not reuse a split lock washer or other damaged washers. Do not use old washers in high-stress joint applications.

What is the difference between lock washers and flat washers?

Flat washers are suitable for increasing the surface area and distributing the applied force when tightening the fastener. They can be used on the fastener's bolt & nut sides, or used as spacers where using a bolt may not be suitable.
Lock washers create tension during tightening to prevent the loosening of nuts. They are generally used on the fastener's nut side for applications involving vibrations.

Which type of lock washers has the highest vibration resistance?

Split Lock, Tooth Lock, Diamond-Coated Lock, Spring Lock and Wedge Lock type lock washers have vibration resistance in ascending or increasing order.

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