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 LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
AA1185-06EN3450.345"0.185"TanglessPlainCoarseRight Hand200000 psiRockwell C43-C50€242.64100
AA1185-06EN4140.414"0.185"TanglessPlainCoarseRight Hand200000 psiRockwell C43-C50€237.16100
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#12-24 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A843140.54"-Tanged--Right Hand---100
RFQ
A840140.216"-Tanged--Right Hand---100
RFQ
A841140.324"-Tanged--Right Hand---100
RFQ
BR1185-10.324"0.276"TangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€30.8312
A842140.432"-Tanged--Right Hand---100
RFQ
A844140.648"-Tanged--Right Hand---100
RFQ
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M18 x 2.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A8407818 mm-Tanged--Right Hand---15
RFQ
A8417827 mm-Tanged--Right Hand---15
RFQ
BR1084-1827 mm21.65 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€122.996
A8427836 mm-Tanged--Right Hand---15
RFQ
A8437845 mm-Tanged--Right Hand---15
RFQ
A8447854 mm-Tanged--Right Hand---15
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8406811 mmTangedRight HandM11 x 1.5Stainless Steel50
RFQ
A8416816.5 mmTangedRight HandM11 x 1.5Stainless Steel50
RFQ
A8426822 mmTangedRight HandM11 x 1.5Stainless Steel50
RFQ
A8436827.5 mmTangedRight HandM11 x 1.5Stainless Steel50
RFQ
A8446833 mmTangedRight HandM11 x 1.5Stainless Steel50
RFQ
StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
AR5326-14S-60.307"0.667"TanglessBlack OxideFineRight Hand200000 psi to 250000 psiRockwell C43-C50€65.286
AR5326-14L-60.669"0.667"TanglessBlack OxideFineRight Hand200000 psi to 250000 psiRockwell C43-C50€65.286
AR5326-14N-627/64"0.667"TanglessBlack OxideFineRight Hand200000 psi to 250000 psiRockwell C43-C50€65.286
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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M8 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishTang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A84060---Tanged-Right Hand---100
RFQ
BA1084-8CN0808 mm10.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€130.02100
BA1084-8CNW0808 mm10.075 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€166.52100
A8416012 mm--Tanged-Right Hand---100
RFQ
CR1084-812 mm10.08 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€41.2912
B1084-8CN120S12 mm10.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,724.87500
BA1084-8CN12012 mm10.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€133.76100
A8426016 mm--Tanged-Right Hand---100
RFQ
B1084-8CN160S16 mm10.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€581.79500
A8436020 mm--Tanged-Right Hand---100
RFQ
BA1084-8CN20020 mm10.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€250.96100
A8446024 mm--Tanged-Right Hand---100
RFQ
BA1084-8CN24024 mm10.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€344.26100
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterial
A83317-1.03 1/8"TangedRight Hand3 1/8"-8Stainless Steel
RFQ
A83317-1.54.687"TangedRight Hand3 1/8"-8Stainless Steel
RFQ
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M4 x 0.7 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFinishFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840554 mm--Tanged-Right Hand---100
RFQ
BA1084-4CNW0404 mmDry Film Lubricant5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€134.94100
BA1084-4CN0404 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€114.98100
B1084-4CN040S4 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€936.591000
BA1084-4CN0505 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€268.98100
A841556 mm--Tanged-Right Hand---100
RFQ
BA1084-4CN0606 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€115.72100
B1084-4CNW060S6 mmDry Film Lubricant5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,697.961000
B1084-4CN060S6 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,190.741000
CR1084-46 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€32.7112
BA1084-4CNW0606 mmDry Film Lubricant5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
B1084-4CN080S8 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,495.641000
BA1084-4CN0808 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€130.02100
A842558 mm--Tanged-Right Hand---100
RFQ
A8435510 mm--Tanged-Right Hand---100
RFQ
BA1084-4CN10010 mm-5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€156.18100
A8445512 mm--Tanged-Right Hand---100
RFQ
BA1084-4CN12012 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€172.67100
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A840543.5 mmTangedRight HandM3.5 x 0.6Stainless Steel100
RFQ
A841545.3 mmTangedRight HandM3.5 x 0.6Stainless Steel100
RFQ
A842547 mmTangedRight HandM3.5 x 0.6Stainless Steel100
RFQ
A843548.8 mmTangedRight HandM3.5 x 0.6Stainless Steel100
RFQ
A8445410.5 mmTangedRight HandM3.5 x 0.6Stainless Steel100
RFQ
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M3 x 0.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishTang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840533 mm--Tanged-Right Hand---100
RFQ
BA1084-3CNW0303 mm4.075 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€179.62100
BA1084-3CN0303 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
B1084-3CN030S3 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,709.301000
A841534.5 mm--Tanged-Right Hand---100
RFQ
BA1084-3CNW0454.5 mm4.075 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€188.46100
BA1084-3CN0454.5 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€153.38100
B1084-3CNW045S4.5 mm4.075 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,126.391000
B1084-3CN045S4.5 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,707.671000
CR1084-34.5 mm4.08 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€30.9612
B1084-3CN060S6 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,818.821000
BA1084-3CN0606 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€172.52100
A842536 mm--Tanged-Right Hand---100
RFQ
BA1084-3CNW0606 mm4.075 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€190.22100
BA1084-3CN0757.5 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€213.28100
A843537.5 mm--Tanged-Right Hand---100
RFQ
A844539 mm--Tanged-Right Hand---100
RFQ
BA1084-3CN0909 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€261.62100
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M2.5 x 0.45 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishTang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840522.5 mm--Tanged-Right Hand---100
RFQ
B1084-2.5CN025S2.5 mm3.457 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€4,102.011000
BA1084-2.5CN0252.5 mm3.45 mm-TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€107.70100
BA1084-2.5CNW0252.5 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€128.53100
B1084-2.5CNW038S3.8 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,497.611000
BA1084-2.5CN0383.8 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€104.84100
A841523.8 mm--Tanged-Right Hand---100
RFQ
B1084-2.5CN038S3.8 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,413.361000
BA1084-2.5CNW0383.8 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€136.92100
BA1084-2.5CN0505 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€112.45100
BA1084-2.5CNW0505 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
B1084-2.5CN050S5 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€955.001000
A842525 mm--Tanged-Right Hand---100
RFQ
A843526.3 mm--Tanged-Right Hand---100
RFQ
BA1084-2.5CN0636.3 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
BA1084-2.5CN0757.5 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€157.70100
A844527.5 mm--Tanged-Right Hand---100
RFQ
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#5-40 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A842061/4"-Tanged--Right Hand---100
RFQ
A840061/8"-Tanged--Right Hand---100
RFQ
A844063/8"-Tanged--Right Hand---100
RFQ
A841063/16"-Tanged--Right Hand---100
RFQ
BR1185-053/16"1/6"TangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€30.9512
A843065/16"-Tanged--Right Hand---100
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
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.
A842321 1/2"TangedRight Hand3/4"-16Stainless Steel15
RFQ
A841321 1/8"TangedRight Hand3/4"-16Stainless Steel15
RFQ
A843321 7/8"TangedRight Hand3/4"-16Stainless Steel15
RFQ
A844322 1/4"TangedRight Hand3/4"-16Stainless Steel15
RFQ
A840323/4"TangedRight Hand3/4"-16Stainless Steel15
RFQ
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M2 x 0.4 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFinishFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840502 mm--Tanged-Right Hand---100
RFQ
BA1084-2CNW0202 mmDry Film Lubricant2.6 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€254.19100
A841503 mm--Tanged-Right Hand---100
RFQ
A842504 mm--Tanged-Right Hand---100
RFQ
A843505 mm--Tanged-Right Hand---100
RFQ
BA1084-2CN0505 mm-2.6 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€300.34100
A844506 mm--Tanged-Right Hand---100
RFQ
BA1084-2CN0606 mmPlain2.6 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€330.30100
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9/16"-18 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A841280.844"-Tanged--Right Hand---50
RFQ
A842281 1/8"-Tanged--Right Hand---50
RFQ
BR1191-91 1/8"0.679"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€66.436
A843281.406"-Tanged--Right Hand---50
RFQ
A844281.688"-Tanged--Right Hand---50
RFQ
A840289/16"-Tanged--Right Hand---50
RFQ
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M2.2 x 0.45 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840512.2 mm-Tanged--Right Hand---100
RFQ
A841513.3 mm-Tanged--Right Hand---100
RFQ
A842514.4 mm-Tanged--Right Hand---100
RFQ
BA1084-2.2CN0444.4 mm2.9 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€136.92100
A843515.5 mm-Tanged--Right Hand---100
RFQ
A844516.6 mm-Tanged--Right Hand---100
RFQ
BA1084-2.2CN0666.6 mm2.9 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€165.60100
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7/16"-14 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A841220.656"-Tanged--Right Hand---50
RFQ
BR1185-70.656"0.539"TangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€33.136
A844221 5/16"-Tanged--Right Hand---50
RFQ
A843221.094"-Tanged--Right Hand---50
RFQ
A842227/8"-Tanged--Right Hand---50
RFQ
A840227/16"-Tanged--Right Hand---50
RFQ
CA1185-7CN4387/16"0.539"TangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€181.69100
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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.