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

StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8408020 mmTangedRight HandM20 x 2Stainless Steel15
RFQ
A8418030 mmTangedRight HandM20 x 2Stainless Steel15
RFQ
A8428040 mmTangedRight HandM20 x 2Stainless Steel15
RFQ
A8438050 mmTangedRight HandM20 x 2Stainless Steel15
RFQ
A8448060 mmTangedRight HandM20 x 2Stainless Steel15
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A840050.112"TangedRight Hand#4-48Stainless Steel100
RFQ
A841050.168"TangedRight Hand#4-48Stainless Steel100
RFQ
A842050.224"TangedRight Hand#4-48Stainless Steel100
RFQ
A844050.336"TangedRight Hand#4-48Stainless Steel100
RFQ
A843057/25"TangedRight Hand#4-48Stainless Steel100
RFQ
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1/4"-20 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeFree Coil Dia.FinishThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
AA1185-4CNW5001/2"Tanged8/25"Dry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£133.40100
AA1185-4CN5001/2"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£176.071
BAT1185-4C5001/2"Tangless8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£135.111
C842161/2"Tanged---Right Hand---100
RFQ
A1185-4CN500S1/2"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£634.36500
BT1185-4C500S1/2"Tangless8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,037.921
A1185-4CN250S1/4"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,243.881
BT1185-4C250S1/4"Tangless8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£2,299.071
AA1185-4CN2501/4"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£131.661
C840161/4"Tanged---Right Hand---100
RFQ
BAT1185-4C2501/4"Tangless8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£130.251
C844163/4"Tanged---Right Hand---100
RFQ
AA1185-4CN7503/4"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£125.531
C841163/8"Tanged---Right Hand---100
RFQ
AA1185-4CNW3753/8"Tanged8/25"Dry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£195.721
BAT1185-4C3753/8"Tangless8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£149.391
AA1185-4CN3753/8"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£135.131
BR1185-43/8"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£6.6512
BT1185-4C375S3/8"Tangless8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£2,357.451
A1185-4CN375S3/8"Tanged8/25"-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,324.561
C843165/8"Tanged---Right Hand---100
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A843150.54"TangedRight Hand#12-28Stainless Steel100
RFQ
A840150.216"TangedRight Hand#12-28Stainless Steel100
RFQ
A841150.324"TangedRight Hand#12-28Stainless Steel100
RFQ
A842150.432"TangedRight Hand#12-28Stainless Steel100
RFQ
A844150.648"TangedRight Hand#12-28Stainless Steel100
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A840020.099"TangedRight Hand#3-48Stainless Steel100
RFQ
A841020.148"TangedRight Hand#3-48Stainless Steel100
RFQ
A842020.198"TangedRight Hand#3-48Stainless Steel100
RFQ
A843020.248"TangedRight Hand#3-48Stainless Steel100
RFQ
A8440219/64"TangedRight Hand#3-48Stainless Steel100
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A840619 mmTangedRight HandM9 x 1Stainless Steel100
RFQ
A8416113.5 mmTangedRight HandM9 x 1Stainless Steel100
RFQ
A8426118 mmTangedRight HandM9 x 1Stainless Steel100
RFQ
A8436122.5 mmTangedRight HandM9 x 1Stainless Steel100
RFQ
A8446127 mmTangedRight HandM9 x 1Stainless Steel100
RFQ
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#2-56 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A1185-02CN086S0.086"0.145"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,005.021
BAT1185-02C0860.086"0.115"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£106.591
BT1185-02C086S0.086"0.145"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£820.671
AA1185-02CNW0860.086"0.115"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£102.96100
C840000.086"-Tanged--Right Hand---100
RFQ
AA1185-02CN0860.086"0.115"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£99.661
AA1185-02CN1290.129"0.115"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£96.95100
AA1185-02CNW1290.129"0.115"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£109.69100
C841000.129"-Tanged--Right Hand---100
RFQ
BT1185-02C129S0.129"0.145"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£935.121
A1185-02CNW129S0.129"0.145"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,457.341
A1185-02CN129S0.129"0.145"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,204.641000
BAT1185-02C1290.129"0.115"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£110.731
A1185-02CN172S0.172"0.145"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,329.191
AA1185-02CNW1720.172"0.115"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£121.37100
BAT1185-02C1720.172"0.115"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£120.07100
C842000.172"-Tanged--Right Hand---100
RFQ
A1185-02CNW172S0.172"0.145"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,524.241
AA1185-02CN1720.172"0.115"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£108.58100
BT1185-02C172S0.172"0.145"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£1,016.051
C843000.215"-Tanged--Right Hand---100
RFQ
C844000.258"-Tanged--Right Hand---100
RFQ
CHRISLYNN -

3-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83316-1.03"Tanged-Right Hand#3-8Stainless Steel-
RFQ
B83316-1.54 1/2"TangedCoarseRight Hand#3-8Stainless Steel£450.31
CHRISLYNN -

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

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (inc. VAT)
A83301-1.01 1/8"Tanged-Right Hand1 1/8"-8Stainless Steel-
RFQ
B83301-1.51.688"TangedCoarseRight Hand1 1/8"-8Stainless Steel£60.18
A83301-2.02 1/4"Tanged-Right Hand1 1/8"-8Stainless Steel-
RFQ
StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
AA1185-4EN7503/4"8/25"TanglessCoarseRight Hand200000 psiRockwell C43-C50£219.29100
AA1185-4EN6255/8"8/25"TanglessCoarseRight Hand200000 psiRockwell C43-C50£201.50100
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8408524 mmTangedRight HandM24 x 1.5Stainless Steel15
RFQ
A8418536 mmTangedRight HandM24 x 1.5Stainless Steel15
RFQ
A8428548 mmTangedRight HandM24 x 1.5Stainless Steel15
RFQ
A8438560 mmTangedRight HandM24 x 1.5Stainless Steel15
RFQ
A8448572 mmTangedRight HandM24 x 1.5Stainless Steel15
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8408422 mmTangedRight HandM22 x 2.5Stainless Steel15
RFQ
A8418433 mmTangedRight HandM22 x 2.5Stainless Steel15
RFQ
A8428444 mmTangedRight HandM22 x 2.5Stainless Steel15
RFQ
A8438455 mmTangedRight HandM22 x 2.5Stainless Steel15
RFQ
A8448466 mmTangedRight HandM22 x 2.5Stainless Steel15
RFQ
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M20 x 2.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (inc. VAT)Pkg. Qty.
A8408120 mm-Tanged-Right Hand---15
RFQ
A8418130 mm-Tanged-Right Hand---15
RFQ
BR1084-2030 mm23.98 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50£19.244
A8428140 mm-Tanged-Right Hand---15
RFQ
A8438150 mm-Tanged-Right Hand---15
RFQ
A8448160 mm-Tanged-Right Hand---15
RFQ
HELICOIL -

Free Running Insert, 10-32 Thread Size, Tangless, 0.475 In Insert Lg., 7 Drill Size, 100 Pk

ModelItemPrice (inc. VAT)Pkg. Qty.
A1191-3EN475CH3WUF£201.50100
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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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