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

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Precision Grade 304 Stainless Steel Free Running Helical inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
AK327-60.407"0.816"TangedANPTRight Hand200000 psi to 250000 psiRockwell C43-C50€42.745
AK327-120.534"1.247"TangedANPTRight Hand200000 psi to 250000 psiRockwell C43-C50€98.295
B83324-1.04"-Tanged-Right Hand---1
RFQ
B83187X-1.539 mm-Tanged-Right Hand---1
RFQ
B83189-1.540.5 mm-Tanged-Right Hand---1
RFQ
B83190-1.540.5 mm-Tanged-Right Hand---1
RFQ
B83188-1.540.5 mm-Tanged-Right Hand---1
RFQ
B83191-1.542 mm-Tanged-Right Hand---1
RFQ
B83194-1.545 mm-Tanged-Right Hand---1
RFQ
B83193-1.545 mm-Tanged-Right Hand---1
RFQ
B83193X-1.545 mm-Tanged-Right Hand---1
RFQ
B83192-1.545 mm-Tanged-Right Hand---1
RFQ
B83195-1.549.5 mm-Tanged-Right Hand---1
RFQ
B83195X-1.549.5 mm-Tanged-Right Hand---1
RFQ
B83196-1.549.5 mm-Tanged-Right Hand---1
RFQ
B83197-1.551 mm-Tanged-Right Hand---1
RFQ
B83199-1.554 mm-Tanged-Right Hand---1
RFQ
B83198-1.554 mm-Tanged-Right Hand---1
RFQ
B83201-1.554 mm-Tanged-Right Hand---1
RFQ
B83200-1.554 mm-Tanged-Right Hand---1
RFQ
B83205-1.558.5 mm-Tanged-Right Hand---1
RFQ
B83202-1.558.5 mm-Tanged-Right Hand---1
RFQ
B83203-1.563 mm-Tanged-Right Hand---1
RFQ
B83204-1.563 mm-Tanged-Right Hand---1
RFQ
B83206-1.563 mm-Tanged-Right Hand---1
RFQ
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#8-32 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A843100.41"-Tanged--Right Hand---100
RFQ
A840100.164"-Tanged--Right Hand---100
RFQ
BT1185-2C164S0.164"0.212"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,078.681000
BAT1185-2C1640.164"0.213"Tangless-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€0.881
C1185-2CN164S0.164"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€888.091000
C1185-2CNW164S0.164"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,447.761000
CA1185-2CN1640.164"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.281
CA1185-2CNW1640.164"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€113.26100
C1185-2CNW246S0.246"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,502.881000
BAT1185-2C2460.246"0.213"Tangless-CoarseRight Hand-Rockwell C43-C50€1.191
CA1185-2CNW2460.246"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€126.64100
CA1185-2CN2460.246"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€0.771
BT1185-2C246S0.246"0.212"--CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€948.631000
C1185-2CN246S0.246"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,962.341000
A841100.246"-Tanged--Right Hand---100
RFQ
BR1185-20.246"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€25.8912
BAT1185-2C3280.328"0.213"Tangless----Rockwell C43-C50€1.281
C1185-2CN328S0.328"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,287.951000
C1185-2CNW328S0.328"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,571.871000
CA1185-2CN3280.328"0.212"Tanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.871
CA1185-2CNW3280.328"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€133.50100
A842100.328"-Tanged--Right Hand---100
RFQ
BT1185-2C328S0.328"0.212"--CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,664.401000
CA1185-2CNW4920.492"0.212"TangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€165.29100
A844100.492"-Tanged--Right Hand---100
RFQ
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M12 x 1.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A8407012 mm-Tanged-Right Hand---50
RFQ
A8417018 mm-Tanged-Right Hand---50
RFQ
BR3745-1218 mm14.6 mmTangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€42.666
A8427024 mm-Tanged-Right Hand---50
RFQ
A8437030 mm-Tanged-Right Hand---50
RFQ
A8447036 mm-Tanged-Right Hand---50
RFQ
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 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
AR474-41/2"0.494"TangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€29.716
B8406310 mm-TangedFineRight Hand---50
RFQ
B8416315 mm-TangedFineRight Hand---50
RFQ
AR4255-1015 mm12.23 mmTangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€60.5112
B8426320 mm-TangedFineRight Hand---50
RFQ
B8436325 mm-TangedFineRight Hand---50
RFQ
B8446330 mm-TangedFineRight Hand---50
RFQ
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M8 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840598 mm-Tanged-Right Hand---100
RFQ
BR4255-812 mm9.98 mmTangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€33.0912
A8415912 mm-Tanged-Right Hand---100
RFQ
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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M5 x 0.8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840565 mm-Tanged--Right Hand---100
RFQ
B1084-5CN050S5 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,196.611000
BA1084-5CNW0505 mm6.525 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€113.26100
BA1084-5CN0505 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.281
B1084-5CN075S7.5 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,181.031
BA1084-5CNW0757.5 mm6.525 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€126.64100
CR1084-57.5 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€25.8912
BA1084-5CN0757.5 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€0.821
A841567.5 mm-Tanged--Right Hand---100
RFQ
B1084-5CN100S10 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,272.691000
A8425610 mm-Tanged--Right Hand---100
RFQ
BA1084-5CN10010 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.371
BA1084-5CN12512.5 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.971
A8435612.5 mm-Tanged--Right Hand---100
RFQ
BA1084-5CN15015 mm6.525 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.611
A8445615 mm-Tanged--Right Hand---100
RFQ
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M2.5 x 0.45 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840522.5 mm-Tanged--Right Hand---100
RFQ
B1084-2.5CN025S2.5 mm3.457 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€3,630.741000
BA1084-2.5CN0252.5 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.801
BA1084-2.5CNW0252.5 mm3.45 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€113.26100
B1084-2.5CNW038S3.8 mm3.45 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,081.151000
BA1084-2.5CNW0383.8 mm3.45 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€120.66100
BA1084-2.5CN0383.8 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€0.791
A841523.8 mm-Tanged--Right Hand---100
RFQ
B1084-2.5CN038S3.8 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,268.491000
BA1084-2.5CNW0505 mm3.45 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€127.17100
B1084-2.5CN050S5 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€873.491000
A842525 mm-Tanged--Right Hand---100
RFQ
BA1084-2.5CN0505 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.541
BA1084-2.5CN0636.3 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€127.17100
A843526.3 mm-Tanged--Right Hand---100
RFQ
A844527.5 mm-Tanged--Right Hand---100
RFQ
BA1084-2.5CN0757.5 mm3.45 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€138.96100
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1 3/8"-12 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. 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"TangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€65.371
A843433.438"-Tanged-Right Hand---5
RFQ
A844434 1/8"-Tanged-Right Hand---5
RFQ
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1 1/8"-7 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840381 1/8"-Tanged-Right Hand---5
RFQ
A841381.688"-Tanged-Right Hand---5
RFQ
BK1185-181.688"1.335"TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€99.591
A842382 1/4"-Tanged-Right Hand---5
RFQ
A843382.812"-Tanged-Right Hand---5
RFQ
A844383 3/8"-Tanged-Right Hand---5
RFQ
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7/8"-9 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A842331 3/4"-Tanged-Right Hand---15
RFQ
BK1185-141 5/16"1.037"TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€25.591
A841331 5/16"-Tanged-Right Hand---15
RFQ
A844332 5/8"-Tanged-Right Hand---15
RFQ
A843332.188"-Tanged-Right Hand---15
RFQ
A840337/8"-Tanged-Right Hand---15
RFQ
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9/16"-18 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A841280.844"-Tanged-Right Hand---50
RFQ
BR1191-91 1/8"0.679"TangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€60.546
A842281 1/8"-Tanged-Right Hand---50
RFQ
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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7/16"-14 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
AR1185-70.656"0.539"TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€33.966
B841220.656"-Tanged-Right Hand---50
RFQ
B844221 5/16"-Tanged-Right Hand---50
RFQ
B843221.094"-Tanged-Right Hand---50
RFQ
B842227/8"-Tanged-Right Hand---50
RFQ
CA1185-7CN4387/16"0.539"TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2.461
B840227/16"-Tanged-Right Hand---50
RFQ
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1/4"-28 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
AT1191-4C500S1/2"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€1,036.26500
BA1191-4CN5001/2"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€1.391
C842171/2"-Tanged--Right Hand---100
RFQ
B1191-4CN500S1/2"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€754.491000
AAT1191-4C5001/2"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€105.19100
BA1191-4CNW5001/2"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50€146.74100
B1191-4CNW250S1/4"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50€701.851000
AAT1191-4C2501/4"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€88.12100
BA1191-4CNW2501/4"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50€127.00100
B1191-4CN250S1/4"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€1,285.191000
BA1191-4CN2501/4"0.326"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€1.081
C840171/4"-Tanged--Right Hand---100
RFQ
AT1191-4C250S1/4"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€967.021000
C844173/4"-Tanged--Right Hand---100
RFQ
BA1191-4CNW3753/8"0.316"TangedDry Film LubricantFineRight Hand200000 psi to 250000 psiRockwell C43-C50€139.83100
BA1191-4CN3753/8"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€0.771
C841173/8"-Tanged--Right Hand---100
RFQ
B1191-4CN375S3/8"0.316"Tanged-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€2,444.921
AT1191-4C375S3/8"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€1,329.871000
AAT1191-4C3753/8"0.316"Tangless-FineRight Hand200000 psi to 250000 psiRockwell C43-C50€89.93100
C843175/8"-Tanged--Right Hand---100
RFQ
StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterial
A83314-1.02 3/4"TangedRight Hand2 3/4"-8Stainless Steel
RFQ
A83314-1.54 1/8"TangedRight Hand2 3/4"-8Stainless Steel
RFQ
CHRISLYNN -

M22 x 1.5 Grade 304 Stainless Steel Free Running Helical Inserts

Thread inserts are suitable for installing threaded fasteners in soft and thin materials with a stripped & threaded hole. They are ideal for automobile, aerospace and maintenance applications and provide more strength, versatility & resilient operation than traditional threaded holes.
These locking inserts feature Grade 304 stainless steel construction for resisting heat, fire and corrosion with moderate structural rigidity.

StyleModelInsert LengthTang TypeThread DirectionThread SizeMaterialPkg. Qty.
A8408222 mmTangedRight HandM22 x 1.5Stainless Steel15
RFQ
A8418233 mmTangedRight HandM22 x 1.5Stainless Steel15
RFQ
A8428244 mmTangedRight HandM22 x 1.5Stainless Steel15
RFQ
A8438255 mmTangedRight HandM22 x 1.5Stainless Steel15
RFQ
A8448266 mmTangedRight HandM22 x 1.5Stainless Steel15
RFQ
CHRISLYNN -

3 1/4"-8 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthTang TypeThread TypeThread DirectionThread SizeMaterialPrice (ex. VAT)
A83318-1.03 1/4"Tanged-Right Hand3 1/4"-8Stainless Steel-
RFQ
B83318-1.54 7/8"Tanged8 UNRight Hand3 1/4"-8Stainless Steel€502.04
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M3 x 0.5 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeFinishThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840533 mm-Tanged--Right Hand---100
RFQ
B1084-3CN030S3 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,221.771
BA1084-3CNW0303 mm4.075 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€158.28100
BA1084-3CN0303 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1.211
B1084-3CN045S4.5 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,561.901000
A841534.5 mm-Tanged--Right Hand---100
RFQ
B1084-3CNW045S4.5 mm4.075 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€1,882.101000
CR1084-34.5 mm4.08 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€25.8912
BA1084-3CNW0454.5 mm4.075 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€166.07100
BA1084-3CN0454.5 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2.361
B1084-3CN060S6 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2,112.051
A842536 mm-Tanged--Right Hand---100
RFQ
BA1084-3CNW0606 mm4.075 mmTangedDry Film LubricantCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€167.63100
BA1084-3CN0606 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€2.521
A843537.5 mm-Tanged--Right Hand---100
RFQ
BA1084-3CN0757.5 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€3.381
BA1084-3CN0909 mm4.075 mmTanged-CoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€4.091
A844539 mm-Tanged--Right Hand---100
RFQ
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1 1/2"-6 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840441 1/2"-Tanged-Right Hand---5
RFQ
A841442 1/4"-Tanged-Right Hand---5
RFQ
BK1185-242 1/4"1.749"TangedCoarseRight Hand200000 psi to 250000 psiRockwell C43-C50€97.151
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 1/8"-12 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A840391 1/8"-Tanged-Right Hand---5
RFQ
A841391.688"-Tanged-Right Hand---5
RFQ
BK1191-181.688"1.319"TangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€53.471
A842392 1/4"-Tanged-Right Hand---5
RFQ
A843392.812"-Tanged-Right Hand---5
RFQ
A844393 3/8"-Tanged-Right Hand---5
RFQ
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7/8"-14 Grade 304 Stainless Steel Free Running Helical Inserts

StyleModelInsert LengthFree Coil Dia.Tang TypeThread TypeThread DirectionTensile StrengthHardnessPrice (ex. VAT)Pkg. Qty.
A842341 3/4"-Tanged-Right Hand---15
RFQ
A841341 5/16"-Tanged-Right Hand---15
RFQ
BK1191-141 5/16"1.036"TangedFineRight Hand200000 psi to 250000 psiRockwell C43-C50€47.691
A844342 5/8"-Tanged-Right Hand---15
RFQ
A843342.188"-Tanged-Right Hand---15
RFQ
A840347/8"-Tanged-Right Hand---15
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.

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