Thread Repair Coil Inserts
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Thread Repair Coil Inserts

Coil inserts are helically coiled diamond-shaped wire that is inserted into an oversized tapped hole. Once in place, they will bring the inside thread of the coil back to the original thread size. Coil inserts can be used for repair of damaged threads, or for new installations to provide greater thread strength due to their high percentage of thread engagement. Made from corrosion resistant 18-8 stainless steel, these coil inserts can withstand temperatures up to 800°F. Available in both imperial and metric kits that provide inserts, a tap and installation tool.  If more coils are needed, we also offer individual packs of coil inserts.

Thread Repair Coil Inserts
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Diameter Length Type Item # Availability Price Quantity UOM
#4 0.1642 Insert Only COIL4-40INS In Stock $7.32127/PK PK
#4 0.1642 Kit COIL4-40 In Stock $51.99541/EA EA
#6 0.2105 Kit COIL6-32 In Stock $37.12317/EA EA
#6 0.2105 Insert Only COIL6-32INS In Stock $8.98651/PK PK
#8 0.2344 Insert Only COIL8-32INS In Stock $7.13465/PK PK
#8 0.2344 Kit COIL8-32 In Stock $40.31008/EA EA
#10 0.2813 Insert Only COIL10-24INS In Stock $13.42951/PK PK
#10 0.2813 Kit COIL10-24 In Stock $35.40769/EA EA
#10 0.2813 Insert Only COIL10-32INS In Stock $9.46503/PK PK
#10 0.2813 Kit COIL10-32 In Stock $45.95656/EA EA
#12 0.3281 Kit COIL12-24 In Stock $42.56388/EA EA
#12 0.3281 Insert Only COIL12-24INS In Stock $10.26414/PK PK
1/4 0.3750 Insert Only COIL025-20INS In Stock $7.57011/PK PK
1/4 0.3750 Kit COIL025-20 In Stock $38.66207/EA EA
1/4 0.3750 Insert Only COIL025-28INS In Stock $8.32616/PK PK
1/4 0.3750 Kit COIL025-28 In Stock $47.81797/EA EA
5/16 0.4688 Insert Only COIL031-18INS In Stock $10.88142/PK PK
5/16 0.4688 Kit COIL031-18 In Stock $45.49957/EA EA
5/16 0.4688 Insert Only COIL031-24INS In Stock $9.10135/PK PK
5/16 0.4688 Kit COIL031-24 In Stock $45.93741/EA EA
3/8 0.5625 Insert Only COIL037-16INS In Stock $11.8863/PK PK
3/8 0.5625 Kit COIL037-16 In Stock $50.47373/EA EA
3/8 0.5625 Kit COIL037-24 In Stock $49.18174/EA EA
3/8 0.5625 Insert Only COIL037-24INS In Stock $12.23084/PK PK
7/16 0.6563 Kit COIL043-14 In Stock $60.85271/EA EA
7/16 0.6563 Insert Only COIL043-14INS In Stock $6.64177/PK PK
7/16 0.6563 Insert Only COIL043-20INS In Stock $10.90057/PK PK
7/16 0.6563 Kit COIL043-20 In Stock $57.98163/EA EA
1/2 0.7500 Kit COIL050-13 In Stock $81.5389/EA EA
1/2 0.7500 Insert Only COIL050-13INS In Stock $10.12776/PK PK
1/2 0.7500 Kit COIL050-20 In Stock $68.06632/EA EA
1/2 0.7500 Insert Only COIL050-20INS In Stock $9.80477/PK PK
9/16 0.8438 Kit COIL056-12 In Stock $90.55412/EA EA
9/16 0.8438 Insert Only COIL056-12INS In Stock $20.29859/PK PK
9/16 0.8438 Insert Only COIL056-18INS In Stock $15.82926/PK PK
9/16 0.8438 Kit COIL056-18 In Stock $95.79386/EA EA
5/8 0.9375 Insert Only COIL062-11INS In Stock $21.21734/PK PK
5/8 0.9375 Kit COIL062-11 In Stock $95.09044/EA EA
5/8 0.9375 Insert Only COIL062-18INS In Stock $13.52283/PK PK
5/8 0.9375 Kit COIL062-18 In Stock $95.21484/EA EA
3/4 1.1250 Kit COIL075-10 In Stock $118.92047/EA EA
3/4 1.1250 Insert Only COIL075-10INS In Stock $28.441/PK PK
3/4 1.1250 Kit COIL075-16 In Stock $119.6526/EA EA
3/4 1.1250 Insert Only COIL075-16INS In Stock $28.39506/PK PK
7/8 1.3125 Kit COIL087-09 3-5 Working Days $221.09294/EA EA
7/8 1.3125 Insert Only COIL087-09INS In Stock $28.62475/PK PK
1 1.5000 Insert Only COIL100-08INS In Stock $41.65949/PK PK
1 1.5000 Kit COIL100-08 In Stock $234.53201/EA EA
1 1.5000 Insert Only COIL100-14INS In Stock $45.62159/PK PK
1 1/8 1.6875 Kit COIL112-07 In Stock $333.99368/EA EA
1 1/8 1.6875 Insert Only COIL112-07INS 3-5 Working Days $28.39027/EA EA
1 1/4 1.8750 Kit COIL125-07 In Stock $342.24806/EA EA
1 3/8 2.0625 Insert Only COIL137-06INS In Stock $236.63508/PK PK
1 3/8 2.0625 Kit COIL137-06 In Stock $442.17628/EA EA
1 1/2 2.2500 Kit COIL150-06 In Stock $600.94746/EA EA
1 1/2 2.2500 Insert Only COIL150-06INS 3-5 Working Days $148.34912/PK PK
M4 6 mm Kit COILM4-070 In Stock $36.06087/EA EA
M4 6 mm Insert Only COILM4-070INS In Stock $0.76064/EA EA
M5 7.5 mm Kit COILM5-080 In Stock $48.02613/EA EA
M5 7.5 mm Insert Only COILM5-080INS In Stock $7.40741/PK PK
M6 9 mm Kit COILM6-100 In Stock $42.76006/EA EA
M6 9 mm Insert Only COILM6-100INS In Stock $7.70169/PK PK
M8 12 mm Insert Only COILM8-125INS In Stock $9.58943/PK PK
M8 12 mm Kit COILM8-125 In Stock $56.71355/EA EA
M10 15 mm Insert Only COILM10-100INS 3-5 Working Days $8.90037/PK PK
M10 15 mm Kit COILM10-100 In Stock $61.90066/EA EA
M10 15 mm Kit COILM10-125 In Stock $59.55593/EA EA
M10 15 mm Kit COILM10-150 3-5 Working Days $55.90009/EA EA
M10 15 mm Insert Only COILM10-150INS In Stock $13.33333/PK PK
M12 18 mm Kit COILM12-125 In Stock $81.39535/EA EA
M12 18 mm Kit COILM12-150 In Stock $64.61384/EA EA
M12 18 mm Kit COILM12-175 In Stock $67.92995/EA EA
M12 18 mm Insert Only COILM12-175INS In Stock $21.94467/PK PK
M14 21 mm Kit COILM14-125 In Stock $111.10155/EA EA
M14 21 mm Kit COILM14-150 In Stock $95.76514/EA EA
M14 21 mm Insert Only COILM14-200INS In Stock $20.21246/PK PK
M14 21 mm Kit COILM14-200 In Stock $99.88516/EA EA
M16 24 mm Kit COILM16-150 In Stock $97.47344/EA EA
M16 24 mm Insert Only COILM16-150INS In Stock $21.92076/PK PK
M16 24 mm Kit COILM16-200 In Stock $97.08585/EA EA
M16 24 mm Insert Only COILM16-200INS In Stock $21.17786/PK PK
M20 30 mm Insert Only COILM20-150INS 3-5 Working Days $3.13428/EA EA
M20 30 mm Kit COILM20-150 3-5 Working Days $325.75366/EA EA
M20 30 mm Insert Only COILM20-250INS 3-5 Working Days $527.27534/EA EA
M20 30 mm Kit COILM20-250 In Stock $158.92908/EA EA