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.
A8407416 mmTangedRight HandM16 x 1.5Stainless Steel50
RFQ
A8417424 mmTangedRight HandM16 x 1.5Stainless Steel50
RFQ
A8427432 mmTangedRight HandM16 x 1.5Stainless Steel50
RFQ
A8437440 mmTangedRight HandM16 x 1.5Stainless Steel50
RFQ
A8447448 mmTangedRight HandM16 x 1.5Stainless Steel50
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€1,831.401000
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€2,278.281000
B1084-3CN045S4.5 mm4.075 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,829.651000
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€1,948.731000
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
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8406711 mmTangedRight HandM11 x 1.25Stainless Steel50
RFQ
A8416716.5 mmTangedRight HandM11 x 1.25Stainless Steel50
RFQ
A8426722 mmTangedRight HandM11 x 1.25Stainless Steel50
RFQ
A8436727.5 mmTangedRight HandM11 x 1.25Stainless Steel50
RFQ
A8446733 mmTangedRight HandM11 x 1.25Stainless Steel50
RFQ
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M10 x 1.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A8406510 mm-Tanged--Right Hand---50
RFQ
A8416515 mm-Tanged--Right Hand---50
RFQ
BR1084-1015 mm12.23 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€42.3612
CA1084-10CN15015 mm12.23 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€176.25100
A8426520 mm-Tanged--Right Hand---50
RFQ
A8436525 mm-Tanged--Right Hand---50
RFQ
A8446530 mm-Tanged--Right Hand---50
RFQ
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M10 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A8406410 mm-Tanged--Right Hand---50
RFQ
A8416415 mm-Tanged--Right Hand---50
RFQ
BR4649-1015 mm12.38 mmTangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€56.8612
A8426420 mm-Tanged--Right Hand---50
RFQ
A8436425 mm-Tanged--Right Hand---50
RFQ
A8446430 mm-Tanged--Right Hand---50
RFQ
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M10 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
AR474-41/2"0.494"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€32.376
B8406310 mm-Tanged-FineRight Hand---50
RFQ
B8416315 mm-Tanged-FineRight Hand---50
RFQ
AR4255-1015 mm12.23 mmTanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€56.8612
B8426320 mm-Tanged-FineRight Hand---50
RFQ
B8436325 mm-Tanged-FineRight Hand---50
RFQ
B8446330 mm-Tanged-FineRight 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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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€1,848.07500
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
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M8 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840598 mm-Tanged--Right Hand---100
RFQ
A8415912 mm-Tanged--Right Hand---100
RFQ
BR4255-812 mm9.98 mmTangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€38.9712
A8425916 mm-Tanged--Right Hand---100
RFQ
A8435920 mm-Tanged--Right Hand---100
RFQ
A8445924 mm-Tanged--Right Hand---100
RFQ
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M7 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840587 mm-Tanged--Right Hand---100
RFQ
A8415810.5 mm-Tanged--Right Hand---100
RFQ
A8425814 mm-Tanged--Right Hand---100
RFQ
BA1084-7CN14014 mm8.925 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€204.14100
A8435817.5 mm-Tanged--Right Hand---100
RFQ
BA1084-7CN17517.5 mm8.925 mmTangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€240.37100
A8445821 mm-Tanged--Right Hand---100
RFQ
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M6 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishTang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
AA1084-6CNW0606 mm7.675 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€134.94100
B840576 mm--Tanged-Right Hand---100
RFQ
AA1084-6CN0606 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€97.22100
A1084-6CN060S6 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,554.531000
AA1084-6CNW0909 mm7.675 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
AA1084-6CN0909 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€99.36100
A1084-6CN090S9 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,197.351000
CR1084-69 mm7.68 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€31.3912
B841579 mm--Tanged-Right Hand---100
RFQ
B8425712 mm--Tanged-Right Hand---100
RFQ
A1084-6CN120S12 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€566.97500
AA1084-6CNW12012 mm7.675 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€151.51100
AA1084-6CN12012 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€130.02100
B8435715 mm--Tanged-Right Hand---100
RFQ
AA1084-6CN15015 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€158.51100
B8445718 mm--Tanged-Right Hand---100
RFQ
AA1084-6CN18018 mm7.675 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€172.67100
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M5 x 0.8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFinishFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
AA1084-5CNW0505 mmDry Film Lubricant6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€128.53100
B840565 mm--Tanged-Right Hand---100
RFQ
A1084-5CN050S5 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,456.591000
AA1084-5CN0505 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€105.01100
B841567.5 mm--Tanged-Right Hand---100
RFQ
AA1084-5CN0757.5 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€112.42100
AA1084-5CNW0757.5 mmDry Film Lubricant6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
CR1084-57.5 mm-6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€30.7912
A1084-5CN075S7.5 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,619.801000
B8425610 mm--Tanged-Right Hand---100
RFQ
A1084-5CN100S10 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,549.191000
AA1084-5CN10010 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€130.02100
B8435612.5 mm--Tanged-Right Hand---100
RFQ
AA1084-5CN12512.5 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€158.51100
B8445615 mm--Tanged-Right Hand---100
RFQ
AA1084-5CN15015 mmPlain6.525 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€171.67100
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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.
AA1084-4CNW0404 mmDry Film Lubricant5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€134.94100
AA1084-4CN0404 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€114.98100
B840554 mm--Tanged-Right Hand---100
RFQ
A1084-4CN040S4 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,003.491000
AA1084-4CN0505 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€268.98100
CR1084-46 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€32.7112
AA1084-4CN0606 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€115.72100
AA1084-4CNW0606 mmDry Film Lubricant5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
B841556 mm--Tanged-Right Hand---100
RFQ
A1084-4CNW060S6 mmDry Film Lubricant5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,819.231000
A1084-4CN060S6 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,275.801000
AA1084-4CN0808 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€130.02100
A1084-4CN080S8 mmPlain5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,602.471000
B842558 mm--Tanged-Right Hand---100
RFQ
B8435510 mm--Tanged-Right Hand---100
RFQ
AA1084-4CN10010 mm-5.325 mmTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€156.18100
B8445512 mm--Tanged-Right Hand---100
RFQ
AA1084-4CN12012 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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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
BA1084-2.5CNW0252.5 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€128.53100
B1084-2.5CN025S2.5 mm3.457 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€4,395.011000
BA1084-2.5CN0252.5 mm3.45 mm-TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€107.70100
A841523.8 mm--Tanged-Right Hand---100
RFQ
BA1084-2.5CNW0383.8 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€136.92100
BA1084-2.5CN0383.8 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€104.84100
B1084-2.5CNW038S3.8 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,676.011000
B1084-2.5CN038S3.8 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,514.311000
B1084-2.5CN050S5 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,023.221000
BA1084-2.5CN0505 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€112.45100
A842525 mm--Tanged-Right Hand---100
RFQ
BA1084-2.5CNW0505 mm3.45 mmDry Film LubricantTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
BA1084-2.5CN0636.3 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€141.41100
A843526.3 mm--Tanged-Right Hand---100
RFQ
A844527.5 mm--Tanged-Right Hand---100
RFQ
BA1084-2.5CN0757.5 mm3.45 mmPlainTangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€157.70100
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M12 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A8406912 mm-Tanged--Right Hand---50
RFQ
A8416918 mm-Tanged--Right Hand---50
RFQ
BR4649-1218 mm14.65 mmTangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€43.126
A8426924 mm-Tanged--Right Hand---50
RFQ
A8436930 mm-Tanged--Right Hand---50
RFQ
A8446936 mm-Tanged--Right Hand---50
RFQ
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M14 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
AR513-200.472"11/16"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€31.816
AR513-131/2"11/16"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€49.906
AR513-103/4"11/16"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€70.066
B8404714 mm-Tanged--Right Hand---50
RFQ
B8414721 mm-Tanged--Right Hand---50
RFQ
B8424728 mm-Tanged--Right Hand---50
RFQ
B8434735 mm-Tanged--Right Hand---50
RFQ
B8444742 mm-Tanged--Right Hand---50
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8404612 mmTangedRight HandM12 x 1Stainless Steel50
RFQ
A8414618 mmTangedRight HandM12 x 1Stainless Steel50
RFQ
A8424624 mmTangedRight HandM12 x 1Stainless Steel50
RFQ
A8434630 mmTangedRight HandM12 x 1Stainless Steel50
RFQ
A8444636 mmTangedRight HandM12 x 1Stainless Steel50
RFQ
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1 1/2"-12 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840451 1/2"-Tanged--Right Hand---5
RFQ
A841452 1/4"-Tanged--Right Hand---5
RFQ
BK1191-242 1/4"1.727"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€87.751
A843453 3/4"-Tanged--Right Hand---5
RFQ
A842453"-Tanged--Right Hand---5
RFQ
A844454 1/2"-Tanged--Right Hand---5
RFQ
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1 1/2"-6 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840441 1/2"-Tanged--Right Hand---5
RFQ
A841442 1/4"-Tanged--Right Hand---5
RFQ
BK1185-242 1/4"1.749"TangedPlainCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€83.451
A843443 3/4"-Tanged--Right Hand---5
RFQ
A842443"-Tanged--Right Hand---5
RFQ
A844444 1/2"-Tanged--Right Hand---5
RFQ
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1 3/8"-12 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPricePkg. Qty.
A840431 3/8"-Tanged--Right Hand---5
RFQ
A842432 3/4"-Tanged--Right Hand---5
RFQ
A841432.062"-Tanged--Right Hand---5
RFQ
BK1191-222.062"1.593"TangedPlainFineRight Hand200000 psi to 250000 psiRockwell C43-C50€74.591
A843433.438"-Tanged--Right Hand---5
RFQ
A844434 1/8"-Tanged--Right Hand---5
RFQ
12...56

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.