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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StyleModelInsert LengthDrill SizeFree Coil Dia.FinishThread TypeThread DirectionThread SizeMaterialPricePkg. Qty.
AA4184-12CN30030 mm12.5 mm14.65 mmPlainCoarseRight HandM12 x 1.75Stainless Steel€705.79100
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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
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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
A4184-2.5CNW038S3.8 mm3.45 mmDry Film LubricantCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,918.031000
A4184-2.5CN038S3.8 mm3.45 mmPlainCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,407.991000
A4184-3CN045S4.5 mm4.075 mmPlain-1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€1,779.111000
AA4184-3CN0454.5 mm4.075 mmPlainCoarse3.15 mm200000 psi to 250000 psiRight HandRockwell C43-C50€164.47100
A4184-3CNW045S4.5 mm4.075 mmDry Film LubricantCoarse1/8"200000 psi to 250000 psiRight HandRockwell C43-C50€1,965.971000
A4184-2.5CN050S5 mm3.45 mmPlainCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€1,479.011000
A4184-2.5CNW050S5 mm3.45 mmDry Film LubricantCoarse2.55 mm200000 psi to 250000 psiRight HandRockwell C43-C50€2,343.641000
A4184-3.5CNW053S5.3 mm4.675 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 LengthDrill SizeFree Coil Dia.FinishThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3591-20CN12501 1/4"1 17/64"1.454"PlainFineRight HandRockwell C43-C50200000 psi to 250000 psi€2,902.19100
AA3591-20CN18751 7/8"1 17/64"1.454"PlainFineRight HandRockwell C43-C50200000 psi to 250000 psi€3,550.41100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3585-12CN11251 1/8"0.893"PlainCoarse25/32"Right HandRockwell C43-C50200000 psi to 250000 psi€14.921
A3585-12CN7503/4"0.893"PlainCoarse25/32"Right HandRockwell C43-C50200000 psi to 250000 psi€10.991
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 LengthDrill SizeFree Coil Dia.FinishThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3585-20CN12501 1/4"1 19/64"1.463"PlainCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€33.591
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7/8"-9 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, offering corrosion, heat and fire resistance with moderate structural rigidity.

StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3585-14CN13121.312"1.037"PlainCoarse29/32"Right HandRockwell C43-C50200000 psi to 250000 psi€17.351
A3585-14CN8757/8"1.037"PlainCoarse29/32"Right HandRockwell C43-C50200000 psi to 250000 psi€15.471
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionTensile StrengthPricePkg. Qty.
A3591-14CN8757/8"1.036"PlainFine57/64"Right Hand200000 psi to 250000 psi€14.131
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3585-16CN15001 1/2"1.181"PlainCoarse1 1/32"Right HandRockwell C43-C50200000 psi to 250000 psi€23.651
A3585-16CN10001"1.181"PlainCoarse1 1/32"Right HandRockwell C43-C50200000 psi to 250000 psi€17.351
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3591-161CN15001 1/2"1.184"PlainFine1 1/64"Right HandRockwell C43-C50200000 psi to 250000 psi€22.481
A3591-161CN10001"1.184"PlainFine1 1/64"Right HandRockwell C43-C50200000 psi to 250000 psi€18.011
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 LengthDrill SizeFree Coil Dia.FinishThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
A3585-18CN11251 1/8"1 11/64"1.335"PlainCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€29.571
A3585-18CN16881.688"1 11/64"1.335"PlainCoarseRight HandRockwell C43-C50200000 psi to 250000 psi€34.941
StyleModelInsert LengthDrill SizeFree Coil Dia.FinishThread TypeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3591-18CN11251 1/8"1 9/64"1.319"PlainFineRight HandRockwell C43-C50200000 psi to 250000 psi€2,687.94100
AA3591-18CN16881.688"1 9/64"1.319"PlainFineRight HandRockwell C43-C50200000 psi to 250000 psi€3,168.87100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3585-5EN4690.469"0.39"PlainCoarseQRight HandRockwell C43-C50200000 psi€329.63100
AA3585-5EN6255/8"0.39"PlainCoarseQRight HandRockwell C43-C50200000 psi€449.62100
AA3585-5EN3125/16"0.39"PlainCoarseQRight HandRockwell C43-C50200000 psi€295.75100
StyleModelInsert LengthFree Coil Dia.FinishThread TypeDrill SizeThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA3585-4EN5001/2"8/25"PlainCoarseHRight HandRockwell C43-C50200000 psi€323.77100
AA3585-4EN2501/4"8/25"PlainCoarseHRight HandRockwell C43-C50200000 psi€275.32100
AA3585-4EN7503/4"8/25"PlainCoarseHRight HandRockwell C43-C50200000 psi€353.93100
AA3585-4EN3753/8"8/25"PlainCoarseHRight HandRockwell C43-C50200000 psi€283.66100
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 LengthFinishThread TypeDrill SizeFree Coil Dia.Thread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-6CNW120-Dry Film LubricantCoarse6.25 mm7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€201.23100
AA4184-6CN0606 mmPlainCoarse6.25 mm7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€153.44100
A4184-6CN060S6 mmPlainCoarseD7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€1,799.321000
A4184-6CNW060S6 mmDry Film LubricantCoarseD7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€1,975.101000
AA4184-6CNW0606 mmDry Film LubricantMetric Coarse6.25 mm7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€200.77100
AA4184-6CN0909 mmPlainCoarse6.25 mm7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€164.47100
AA4184-6CNW0909 mmDry Film LubricantCoarse6.25 mm7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€190.47100
A4184-6CN090S9 mmPlainCoarseD7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€1.481000
A4184-6CNW090S9 mmDry Film LubricantCoarseD7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€1,965.971000
A4184-6CNW120S12 mmDry Film LubricantCoarseD-Right HandRockwell C43-C50200000 psi to 250000 psi€2,227.43500
AA4184-6CN12012 mmPlainCoarse6.25 mm7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€172.89100
A4184-6CN120S12 mmPlainCoarseD7.675 mmRight HandRockwell C43-C50200000 psi to 250000 psi€1,731.70500
AA4184-6CN15015 mmPlainCoarse6.25 mm7.675 mmRight Hand-200000 psi to 250000 psi€230.15100
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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
BA3585-02CNW0860.086"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€174.77100
B3585-02CNW086S0.086"0.145"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,620.781000
BA3585-02CN0860.086"0.115"PlainCoarse-Right HandRockwell C43-C50200000 psi to 250000 psi€153.46100
AAT3585-02C0860.086"0.115"-Coarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€98.27100
AAT3585-02CW1290.129"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€118.47100
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
B3585-02CNW129S0.129"0.145"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,641.861000
AT3585-02C129S0.129"0.145"-Coarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,157.871000
AAT3585-02C1290.129"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€109.01100
B3585-02CN129S0.129"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,393.161000
B3585-02CNW172S0.172"0.145"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€2,222.561000
B3585-02CN172S0.172"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,958.071000
BA3585-02CN1720.172"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€173.65100
BA3585-02CNW1720.172"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€178.19100
AAT3585-02C1720.172"0.115"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€139.12100
AAT3585-02CW1720.172"0.115"Dry Film LubricantCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€141.41100
AT3585-02C172S0.172"0.145"PlainCoarse3/32"Right HandRockwell C43-C50200000 psi to 250000 psi€1,626.121000
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
StyleModelInsert LengthThread TypeDrill SizeFree Coil Dia.FinishThread DirectionHardnessTensile StrengthPricePkg. Qty.
AA4184-10CN25025 mmCoarse10.5 mm12.225 mmPlainRight HandRockwell C43-C50200000 psi to 250000 psi€451.37100
AA4184-10CN30030 mmMetric Coarse10.5 mm12.225 mm-Right HandRockwell C43-C50200000 psi to 250000 psi€526.59100