HELICOIL Locking Helical Inserts

Helicoil locking helical inserts are installed into printing presses, gear housing & exhaust systems to create an internal screw thread for installing fasteners in automotive manufacturing & maintenance applications. They have a screw locking design to avoid screw loosening upon installation.

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#2-56 Grade 304 Stainless Steel Locking Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AAT3585-02CW0860.086"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€117.58100
B3585-02CN086S0.086"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,374.211000
AAT3585-02C0860.086"0.115"-Coarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€98.27100
BA3585-02CNW0860.086"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€174.77100
BA3585-02CN0860.086"0.115"PlainCoarse-Right HandRockwell C43-C50200000 psi to 250000 psi€153.46100
B3585-02CNW086S0.086"0.145"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,620.781000
AAT3585-02C1290.129"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€109.01100
BA3585-02CNW1290.129"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€169.58100
BA3585-02CN1290.129"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€168.83100
AT3585-02C129S0.129"0.145"-Coarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,157.871000
AAT3585-02CW1290.129"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€118.47100
B3585-02CNW129S0.129"0.145"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,641.861000
B3585-02CN129S0.129"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,393.161000
AT3585-02C172S0.172"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,626.121000
AAT3585-02C1720.172"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€139.12100
B3585-02CNW172S0.172"0.145"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€2,222.561000
BA3585-02CNW1720.172"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€178.19100
BA3585-02CN1720.172"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€173.65100
B3585-02CN172S0.172"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,958.071000
AAT3585-02CW1720.172"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€141.41100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-3.5CNW0353.5 mm4.675 mmDry Film LubricantCoarse3.7 mmRight HandRockwell C43-C50200000 psi to 250000 psi€161.47100
AA4184-3.5CNW0535.3 mm4.675 mmDry Film LubricantCoarse3.7 mmRight HandRockwell C43-C50200000 psi to 250000 psi€170.15100
AA4184-3.5CNW0707 mm4.675 mmDry Film LubricantCoarse3.7 mmRight HandRockwell C43-C50200000 psi to 250000 psi€187.12100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-3.5EN0353.5 mm4.675 mmPlainCoarse3.7 mmRight HandRockwell C43-C50200000 psi€564.21100
AA4184-3.5EN0535.3 mm4.675 mmPlainCoarse3.7 mmRight HandRockwell C43-C50200000 psi€568.09100
AA4184-3.5EN0707 mm4.675 mmPlainCoarse3.7 mmRight HandRockwell C43-C50200000 psi€602.26100
StyleModelFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-6EN0607.675 mmPlainCoarse6.25 mmRight HandRockwell C43-C50200000 psi€537.37100
AA4184-6EN1207.675 mmPlainCoarse6.25 mmRight Hand-200000 psi€632.37100
StyleModelInsert LengthFree Coil Dia.FinishDrill SizeThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-2.5CN0252.5 mm3.45 mmPlain2.55 mmCoarse-Rockwell C43-C50200000 psi to 250000 psi€141.41100
AA4184-2.5CN0383.8 mm3.45 mmPlain2.55 mmCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€163.55100
AA4184-2.5CNW0383.8 mm3.45 mmDry Film Lubricant-CoarseRight HandRockwell C43-C50200000 psi to 250000 psi€166.91100
AA4184-2.5CN0505 mm3.45 mmPlain2.55 mmCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€195.13100
AA4184-2.5CNW0505 mm3.45 mmDry Film Lubricant#37CoarseRight HandRockwell C43-C50200000 psi to 250000 psi€186.09100
AA4184-2.5CNW0636.3 mm3.45 mmDry Film Lubricant#37CoarseRight HandRockwell C43-C50200000 psi to 250000 psi€202.82100
AA4184-2.5CN0757.5 mm3.45 mmPlain2.55 mmCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€210.28100
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M3 x 0.5 Grade 304 Stainless Steel Locking Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeTensile StrengthThread DirectionHardnessPricePkg. Qty.
A4184-2.5CNW025S2.5 mm3.45 mmDry Film LubricantCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€2,375.341000
A4184-2.5CN025S2.5 mm3.45 mmPlainCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€2,257.671000
AA4184-3CN0303 mm4.075 mmPlainCoarse3.15 mm200000 psi to 250000 psiRight HandRockwell C43-C50€155.30100
A4184-3CNW030S3 mm4.075 mmDry Film LubricantCoarse1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€1,698.891000
A4184-3CN030S3 mm4.075 mmPlainCoarse1/8"200000 psi to 250000 psi-Rockwell C43-C50€1,793.641000
A4184-3.5CNW035S3.5 mm4.675 mmDry Film LubricantMetric Coarse3.7 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,465.671000
A4184-2.5CN038S3.8 mm3.45 mmPlainCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,407.991000
A4184-2.5CNW038S3.8 mm3.45 mmDry Film LubricantCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,918.031000
AA4184-3CN0454.5 mm4.075 mmPlainCoarse3.15 mm200000 psi to 250000 psiRight HandRockwell C43-C50€164.47100
A4184-3CN045S4.5 mm4.075 mmPlainCoarse1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€1,779.111000
A4184-3CNW045S4.5 mm4.075 mmDry Film LubricantCoarse1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€1,965.971000
A4184-2.5CNW050S5 mm3.45 mmDry Film LubricantCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€2,343.641000
A4184-2.5CN050S5 mm3.45 mmPlainCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,479.011000
A4184-3.5CNW053S5.3 mm4.953 mmDry Film LubricantCoarse3.7 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,381.081000
AA4184-3CN0606 mm4.075 mmPlainCoarse3.15 mm200000 psi to 250000 psiRight HandRockwell C43-C50€192.22100
A4184-3CN060S6 mm4.075 mmPlainCoarse1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€1,869.361000
A4184-3CNW060S6 mm4.075 mmDry Film LubricantCoarse1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€2,056.971000
B4184-3.5CNW070S7 mm4.953 mmDry Film LubricantCoarse3.7 mm200000.0 psi to 250000.0 psiRight HandRockwell C43-C50€2,021.181000
AA4184-3CN0757.5 mm4.075 mm-Metric Coarse3.15 mm200000 psi to 250000 psiRight HandRockwell C43-C50€203.32100
AA4184-3CN0909 mm4.075 mmPlainCoarse3.15 mm200000 psi to 250000 psiRight HandRockwell C43-C50€220.83100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3585-06EN1380.138"0.185"PlainCoarse#26Right HandRockwell C43-C50200000 psi€269.44100
AA3585-06EN2070.207"0.185"PlainCoarse#26Right HandRockwell C43-C50200000 psi€297.37100
AA3585-06EN2760.276"0.185"PlainCoarse#26Right HandRockwell C43-C50200000 psi€306.80100
StyleModelInsert LengthFree Coil Dia.Thread TypeDrill SizeFinishThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-10CN25025 mm12.225 mmCoarse10.5 mmPlainRight HandRockwell C43-C50200000 psi to 250000 psi€451.37100
AA4184-10CN30030 mm12.225 mmMetric Coarse10.5 mm-Right HandRockwell C43-C50200000 psi to 250000 psi€526.59100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-6CNW120-7.675 mmDry Film LubricantCoarse6.25 mmRight HandRockwell C43-C50200000 psi to 250000 psi€201.23100
A4184-6CNW060S6 mm7.675 mmDry Film LubricantCoarseDRight HandRockwell C43-C50200000 psi to 250000 psi€1,975.101000
AA4184-6CNW0606 mm7.675 mmDry Film LubricantMetric Coarse6.25 mmRight HandRockwell C43-C50200000 psi to 250000 psi€200.77100
A4184-6CN060S6 mm7.675 mmPlainCoarseDRight HandRockwell C43-C50200000 psi to 250000 psi€1,799.321000
AA4184-6CN0606 mm7.675 mmPlainCoarse6.25 mmRight HandRockwell C43-C50200000 psi to 250000 psi€153.44100
AA4184-6CN0909 mm7.675 mmPlainCoarse6.25 mmRight HandRockwell C43-C50200000 psi to 250000 psi€164.47100
AA4184-6CNW0909 mm7.675 mmDry Film LubricantCoarse6.25 mmRight HandRockwell C43-C50200000 psi to 250000 psi€190.47100
A4184-6CN090S9 mm7.675 mmPlainCoarseDRight HandRockwell C43-C50200000 psi to 250000 psi€1.481000
A4184-6CNW090S9 mm7.675 mmDry Film LubricantCoarseDRight HandRockwell C43-C50200000 psi to 250000 psi€1,965.971000
A4184-6CNW120S12 mm7.9502 mmDry Film LubricantCoarseDRight HandRockwell C43-C50200000 psi to 250000 psi€2,227.43500
AA4184-6CN12012 mm7.675 mmPlainCoarse6.25 mmRight HandRockwell C43-C50200000 psi to 250000 psi€172.89100
A4184-6CN120S12 mm7.675 mmPlainCoarseDRight HandRockwell C43-C50200000 psi to 250000 psi€1,731.70500
AA4184-6CN15015 mm7.675 mmPlainCoarse6.25 mmRight Hand-200000 psi to 250000 psi€230.15100
StyleModelInsert LengthFree Coil Dia.Drill SizeFinishThread TypeThread DirectionThread SizeMaterialPricePkg. Qty.
AA4184-12CN30030 mm14.65 mm12.5 mmPlainCoarseRight HandM12 x 1.75Stainless Steel€705.79100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A4184-5CN050S5 mm6.525 mmPlainCoarse#5Right HandRockwell C43-C50200000 psi to 250000 psi€1,972.281000
A4184-5CNW050S5 mm6.525 mmDry Film LubricantMetric Coarse#5Right HandRockwell C43-C50200000 psi to 250000 psi€1,975.101000
AA4184-5CN0505 mm6.525 mmPlainCoarse5.2 mmRight HandRockwell C43-C50200000 psi to 250000 psi€155.30100
A4184-5CN075S7.5 mm6.525 mmPlainCoarse#5Right HandRockwell C43-C50200000 psi to 250000 psi€1,851.611000
A4184-5CNW075S7.5 mm6.525 mmDry Film LubricantCoarse#5Right HandRockwell C43-C50200000 psi to 250000 psi€2,562.231000
AA4184-5CN0757.5 mm6.525 mmPlainCoarse5.2 mmRight HandRockwell C43-C50200000 psi to 250000 psi€151.03100
A4184-5CN100S10 mm6.525 mm-Metric Coarse#5Right HandRockwell C43-C50200000 psi to 250000 psi€1,958.071000
AA4184-5CN10010 mm6.525 mmPlainCoarse5.2 mmRight HandRockwell C43-C50200000 psi to 250000 psi€179.98100
AA4184-5CN12512.5 mm6.525 mmPlain-5.2 mmRight HandRockwell C43-C50200000 psi to 250000 psi€213.75100
AA4184-5CN15015 mm6.525 mmPlainCoarse5.2 mmRight HandRockwell C43-C50200000 psi to 250000 psi€232.19100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3585-2EN1640.164"0.212"PlainCoarse#17Right HandRockwell C43-C50200000 psi€273.14100
AA3585-2EN2460.246"0.212"PlainCoarse#17Right HandRockwell C43-C50200000 psi€292.11100
AA3585-2EN3280.328"0.212"PlainCoarse#17Right HandRockwell C43-C50200000 psi€318.45100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3591-16CN15001 1/2"1.171"PlainFine1 1/64"Right HandRockwell C43-C50200000 psi to 250000 psi€20.231
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3585-3EN1900.19"0.251"PlainCoarse13/64"Right HandRockwell C43-C50200000 psi€244.07100
AA3585-3EN3800.38"0.251"PlainCoarse13/64"Right HandRockwell C43-C50200000 psi€271.81100
AA3585-3EN2850.385"0.251"PlainCoarse13/64"Right HandRockwell C43-C50200000 psi€297.47100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3591-3EN1900.19"0.246"PlainFine#7Right HandRockwell C43-C50200000 psi€270.77100
AA3591-3EN3800.38"0.246"PlainFine#7Right HandRockwell C43-C50200000 psi€286.11100
AA3591-3EN5700.57"0.246"PlainFine#7Right HandRockwell C43-C50200000 psi€371.61100
AA3591-3EN2850.285"0.246"PlainFine#7Right HandRockwell C43-C50200000 psi€284.23100
AA3591-3EN4750.475"0.246"PlainFine#7Right HandRockwell C43-C50200000 psi€327.92100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3591-12CN11251 1/8"0.888"PlainFine49/64"Right HandRockwell C43-C50200000 psi to 250000 psi€17.411
A3591-12CN7503/4"0.888"PlainFine49/64"Right HandRockwell C43-C50200000 psi to 250000 psi€12.981
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3591-5EN4690.469"0.39"PlainFine21/64"Right HandRockwell C43-C50200000 psi€697.65100
AA3591-5EN6255/8"0.39"PlainFine21/64"Right HandRockwell C43-C50200000 psi€831.63100
AA3591-5EN3125/16"0.39"PlainFine21/64"Right HandRockwell C43-C50200000 psi€632.37100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-4EN0404 mm5.325 mmPlainCoarse4.2 mmRight HandRockwell C43-C50200000 psi€537.37100
AA4184-4EN0606 mm5.325 mmPlainCoarse4.2 mmRight HandRockwell C43-C50200000 psi€272.46100
AA4184-4EN0808 mm5.325 mmPlainCoarse4.2 mmRight HandRockwell C43-C50200000 psi€588.09100
StyleModelInsert LengthFree Coil Dia.Drill SizeFinishThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-16CN160-19.25 mm16.5 mmPlainCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€748.27100
AA4184-16CN24024 mm19.25 mm16.5 mmPlainCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€993.41100
AA4184-16CN32032 mm19.25 mm16.5 mmPlainCoarseRight Hand--€1,168.43100
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#4-40 Grade 304 Stainless Steel Locking Helical Inserts

StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3585-04CN112S0.112"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€1,641.651000
BAT3585-04C1120.112"0.152"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€97.35100
BT3585-04C112S0.112"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€1,091.881000
BAT3585-04CW1120.112"0.152"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€123.78100
AA3585-04CN1120.112"0.151"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€150.92100
AA3585-04CNW1120.112"0.151"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€167.47100
BT3585-04C168S0.168"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€1,022.941000
AA3585-04CN1680.168"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€149.96100
AA3585-04CNW1680.168"0.151"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€176.25100
BAT3585-04CW1680.168"0.152"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€121.91100
A3585-04CN168S0.168"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€1,689.571000
BAT3585-04C1680.168"0.152"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€102.17100
BAT3585-04C2240.224"0.152"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€117.05100
BT3585-04C224S0.224"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€1,193.491000
AA3585-04CNW2240.224"0.151"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€190.04100
AA3585-04CN2240.224"0.151"PlainCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€157.55100
BAT3585-04CW2240.224"0.152"Dry Film LubricantCoarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€135.14100
A3585-04CN224S0.224"0.151"-Coarse#31Right HandRockwell C43-C50200000 psi to 250000 psi€1,319.911000
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1 1/2"-12 Grade 304 Stainless Steel Locking 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. They provide more strength, versatility & resilient operation than traditional threaded holes.
These locking inserts feature Grade 304 stainless steel construction for corrosion, heat and fire-resistant properties with moderate structural rigidity.

StyleModelInsert LengthDrill SizeFree Coil Dia.FinishThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3591-24CN22502 1/4"1 33/64"1.727"PlainFineRight HandRockwell C43-C50200000 psi to 250000 psi€4,477.16100