Free Running Helical Inserts

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Free running inserts are designed to make threads or repair worn threads inside tapped holes. They are ideal for providing reliable threading in metals, composites, wood & similar...Read more

CHRISLYNN -

2 3/8"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83311-1.02 3/8"Tanged-Right Hand2 3/8"-8Stainless Steel-
RFQ
B83311-1.53.563"TangedCoarseRight Hand2 3/8"-8Stainless Steel£197.02
CHRISLYNN -

2-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83308-1.02"Tanged-Right Hand#2-8Stainless Steel-
RFQ
B83308-1.53"TangedCoarseRight Hand#2-8Stainless Steel£90.33
A83308-2.04"Tanged-Right Hand#2-8Stainless Steel-
RFQ
CHRISLYNN -

#10-32 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeFree Coil Dia.FinishThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
AA1191-3CNW1900.19"Tanged0.246"Dry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£90.08100
B840130.19"Tanged---Right Hand---100
RFQ
A1191-3CNW190S0.19"Tanged0.246"Dry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,112.631000
CT1191-3C190S0.19"Tangless0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£3,538.551
AA1191-3CN1900.19"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£99.53100
A1191-3CN190S0.19"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,143.691
CAT1191-3C1900.19"Tangless0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£90.00100
CT1191-3C380S0.38"Tangless0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£2,799.791
A1191-3CN380S0.38"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,303.371
AA1191-3CNW3800.38"Tanged0.246"Dry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£124.17100
AA1191-3CN3800.38"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£115.12100
B842130.38"Tanged---Right Hand---100
RFQ
CAT1191-3C3800.38"Tangless0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£104.82100
AA1191-3CNW5700.57"Tanged0.246"Dry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£156.20100
B844130.57"Tanged---Right Hand---100
RFQ
B841130.285"Tanged---Right Hand---100
RFQ
CT1191-3C285S0.285"Tangless0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£2,580.581
CAT1191-3C2850.285"Tangless0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£84.58100
AA1191-3CNW2850.285"Tanged0.246"Dry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£119.68100
AA1191-3CN2850.285"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£102.85100
A1191-3CNW285S0.285"Tanged0.246"Dry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,408.441000
A1191-3CN285S0.285"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,299.791000
CR1191-30.285"Tanged0.246"-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£26.6612
B843130.475"Tanged---Right Hand---100
RFQ
CHRISLYNN -

#8-32 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A843100.41"-Tanged--Right Hand---100
RFQ
A840100.164"-Tanged--Right Hand---100
RFQ
BAT1185-2C1640.164"0.213"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£65.06100
CA1185-2CNW1640.164"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£107.03100
BT1185-2C164S0.164"0.212"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£773.411
C1185-2CN164S0.164"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,199.941
CA1185-2CN1640.164"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£93.32100
C1185-2CNW164S0.164"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,364.301
C1185-2CNW246S0.246"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,430.701
CA1185-2CNW2460.246"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£119.68100
C1185-2CN246S0.246"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,265.561
CA1185-2CN2460.246"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£114.29100
BAT1185-2C2460.246"0.213"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£91.35100
A841100.246"-Tanged--Right Hand---100
RFQ
BT1185-2C246S0.246"0.212"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£863.431
BR1185-20.246"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£26.9812
CA1185-2CNW3280.328"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£126.16100
BT1185-2C328S0.328"0.212"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£857.771000
C1185-2CN328S0.328"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,335.881
C1185-2CNW328S0.328"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,474.681
CA1185-2CN3280.328"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£130.24100
A842100.328"-Tanged--Right Hand---100
RFQ
BAT1185-2C3280.328"0.213"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£93.34100
A844100.492"-Tanged--Right Hand---100
RFQ
CA1185-2CNW4920.492"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£156.20100
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A840090.138"TangedRight Hand#6-40Stainless Steel100
RFQ
A841090.207"TangedRight Hand#6-40Stainless Steel100
RFQ
A842090.276"TangedRight Hand#6-40Stainless Steel100
RFQ
A843090.345"TangedRight Hand#6-40Stainless Steel100
RFQ
A844090.414"TangedRight Hand#6-40Stainless Steel100
RFQ
CHRISLYNN -

#6-32 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
AAT1185-06C1380.138"0.186"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£76.59100
B1185-06CNW138S0.138"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,364.301
BA1185-06CN1380.138"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£107.41100
BA1185-06CNW1380.138"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£107.25100
B1185-06CN138S0.138"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,199.941
AT1185-06C138S0.138"0.185"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£719.641000
C840080.138"-Tanged--Right Hand---100
RFQ
AR1185-060.207"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£24.5612
BA1185-06CN2070.207"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£96.21100
AAT1185-06C2070.207"0.186"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£100.13100
BA1185-06CNW2070.207"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£120.54100
B1185-06CNW207S0.207"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,408.441
B1185-06CN207S0.207"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,269.041
C841080.207"-Tanged--Right Hand---100
RFQ
AT1185-06C207S0.207"0.185"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£730.201
C842080.276"-Tanged--Right Hand---100
RFQ
AT1185-06C276S0.276"0.185"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£848.391
AAT1185-06C2760.276"0.186"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£91.91100
B1185-06CNW276S0.276"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,474.681
BA1185-06CN2760.276"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£120.38100
B1185-06CN276S0.276"0.185"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,258.331
BA1185-06CNW2760.276"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£120.43100
BA1185-06CNW3450.345"0.185"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£133.53100
C843080.345"-Tanged--Right Hand---100
RFQ
C844080.414"-Tanged--Right Hand---100
RFQ
CHRISLYNN -

M2.2 x 0.45 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A840512.2 mm-Tanged-Right Hand---100
RFQ
A841513.3 mm-Tanged-Right Hand---100
RFQ
BA1084-2.2CN0444.4 mm2.9 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£114.02100
A842514.4 mm-Tanged-Right Hand---100
RFQ
A843515.5 mm-Tanged-Right Hand---100
RFQ
A844516.6 mm-Tanged-Right Hand---100
RFQ
BA1084-2.2CN0666.6 mm2.9 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£136.28100
StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
AA1191-3EN3800.38"0.246"TanglessFineRight Hand200000 psiRockwell C43-C50£192.79100
AA1191-3EN5700.57"0.246"TanglessFineRight Hand200000 psiRockwell C43-C50£171.05100
CHRISLYNN -

2 1/2"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83312-1.02 1/2"Tanged-Right Hand2 1/2"-8Stainless Steel-
RFQ
B83312-1.53 3/4"TangedCoarseRight Hand2 1/2"-8Stainless Steel£195.13
CHRISLYNN -

2 1/4"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83310-1.02 1/4"Tanged-Right Hand2 1/4"-8Stainless Steel-
RFQ
B83310-1.53 3/8"TangedCoarseRight Hand2 1/4"-8Stainless Steel£165.81
CHRISLYNN -

1 1/2"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83304-1.01 1/2"Tanged-Right Hand1 1/2"-8Stainless Steel-
RFQ
B83304-1.52 1/4"TangedCoarseRight Hand1 1/2"-8Stainless Steel£50.68
A83304-2.03"Tanged-Right Hand1 1/2"-8Stainless Steel-
RFQ
CHRISLYNN -

1 1/4"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83302-1.01 1/4"Tanged-Right Hand1 1/4"-8Stainless Steel-
RFQ
B83302-1.51 7/8"TangedCoarseRight Hand1 1/4"-8Stainless Steel£25.66
A83302-2.02 1/2"Tanged-Right Hand1 1/4"-8Stainless Steel-
RFQ
CHRISLYNN -

2 5/8"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83313-1.02 5/8"Tanged-Right Hand2 5/8"-8Stainless Steel-
RFQ
B83313-1.53.938"TangedCoarseRight Hand2 5/8"-8Stainless Steel£215.50
CHRISLYNN -

2 1/8"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83309-1.02 1/8"Tanged-Right Hand2 1/8"-8Stainless Steel-
RFQ
B83309-1.53.188"TangedCoarseRight Hand2 1/8"-8Stainless Steel£137.94
CHRISLYNN -

1 5/8"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83305-1.01 5/8"Tanged-Right Hand1 5/8"-8Stainless Steel-
RFQ
B83305-1.52.438"TangedCoarseRight Hand1 5/8"-8Stainless Steel£66.37
A83305-2.03 1/4"Tanged-Right Hand1 5/8"-8Stainless Steel-
RFQ
CHRISLYNN -

1/4"-28 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A842171/2"-Tanged--Right Hand---100
RFQ
BA1191-4CNW5001/2"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£138.67100
BA1191-4CN5001/2"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£113.02100
CAT1191-4C5001/2"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£125.71100
B1191-4CN500S1/2"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£631.391
CT1191-4C500S1/2"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£790.35500
B1191-4CNW250S1/4"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£0.871
CAT1191-4C2501/4"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£103.13100
BA1191-4CN2501/4"0.326"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£94.29100
BA1191-4CNW2501/4"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£90.80100
B1191-4CN250S1/4"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,335.581
A840171/4"-Tanged--Right Hand---100
RFQ
CT1191-4C250S1/4"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£959.641
A844173/4"-Tanged--Right Hand---100
RFQ
BA1191-4CNW3753/8"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50£151.95100
CAT1191-4C3753/8"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£105.24100
A841173/8"-Tanged--Right Hand---100
RFQ
BA1191-4CN3753/8"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£112.70100
B1191-4CN375S3/8"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£1,004.171
CT1191-4C375S3/8"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50£891.511
A843175/8"-Tanged--Right Hand---100
RFQ
CHRISLYNN -

M18 x 1.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
AR514-61/2"0.895"TangedMetricRight Hand200000 psi to 250000 psiRockwell C43-C50£44.956
B8407618 mm-Tanged-Right Hand---15
RFQ
B8417627 mm-Tanged-Right Hand---15
RFQ
B8427636 mm-Tanged-Right Hand---15
RFQ
B8437645 mm-Tanged-Right Hand---15
RFQ
B8447654 mm-Tanged-Right Hand---15
RFQ
CHRISLYNN -

M16 x 2 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A8407516 mm-Tanged-Right Hand---50
RFQ
BR1084-1624 mm19.25 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£73.806
CA1084-16CN24024 mm19.25 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£616.37100
A8417524 mm-Tanged-Right Hand---50
RFQ
A8427532 mm-Tanged-Right Hand---50
RFQ
A8437540 mm-Tanged-Right Hand---50
RFQ
A8447548 mm-Tanged-Right Hand---50
RFQ
CHRISLYNN -

M10 x 1.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A8406510 mm-Tanged-Right Hand---50
RFQ
BA1084-10CN15015 mm12.23 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£165.08100
CR1084-1015 mm12.23 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£47.9512
A8416515 mm-Tanged-Right Hand---50
RFQ
A8426520 mm-Tanged-Right Hand---50
RFQ
A8436525 mm-Tanged-Right Hand---50
RFQ
A8446530 mm-Tanged-Right Hand---50
RFQ
CHRISLYNN -

M10 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A8406410 mm-Tanged-Right Hand---50
RFQ
BR4649-1015 mm12.38 mmTangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50£48.4312
A8416415 mm-Tanged-Right Hand---50
RFQ
A8426420 mm-Tanged-Right Hand---50
RFQ
A8436425 mm-Tanged-Right Hand---50
RFQ
A8446430 mm-Tanged-Right Hand---50
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A840629 mmTangedRight HandM9 x 1.25Stainless Steel100
RFQ
A8416213.5 mmTangedRight HandM9 x 1.25Stainless Steel100
RFQ
A8426218 mmTangedRight HandM9 x 1.25Stainless Steel100
RFQ
A8436222.5 mmTangedRight HandM9 x 1.25Stainless Steel100
RFQ
A8446227 mmTangedRight HandM9 x 1.25Stainless Steel100
RFQ
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Free Running Helical Inserts

Free running inserts are designed to make threads or repair worn threads inside tapped holes. They are ideal for providing reliable threading in metals, composites, wood & similar materials. These inserts are usually larger in diameter than tapped holes and are compressed while being inserted, thereby providing maximum surface contact area. Raptor Supplies offers a wide range of free running inserts in Metric, UNC and UNF thread types from Chrislynn and Heli-Coil.

Frequently Asked Questions

How to install helical inserts?

  • Drill a hole using the suggested drill bit size.
  • Tap the hole and screw the insert into the installation tool. The prong must be properly engaged in the driving contour of the tool.
  • Using the installation tool, thread the insert into the hole. Install the insert a quarter to half turn below the hole's surface.
  • If your insert has a prong, remove it with a punch or break-off tool. This allows the screw to fully enter the insert.

Where are helical inserts without prongs used?

These inserts are frequently used where debris could cause damage because there is no prong to break off and retrieve. They have coils that expand after installation to secure the insert.

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