Coil-Sert® Inserts are available in thread repair kits to repair tapped holes which have been stripped or damaged due to wear, corrosion and over torque. Coil-Sert® offers a choice of repair kits to meet a wide range of repair options.
They are available in inch, metric, spark plug and pipe thread series.
All kits have a quantity of inserts, high speed steel Coil-Sert® tap and an installation tool, some may include a proper size drill, and different lengths of inserts and a tang break off tool. We also offer Master Kits with a range of different sizes available in one kit.
Product Overview
Coil-Sert® Inserts are available in thread repair kits to repair tapped holes which have been stripped or damaged due to wear, corrosion and over torque. Coil-Sert® offers a choice of repair kits to meet a wide range of repair options.
They are available in inch, metric, spark plug and pipe thread series.
All kits have a quantity of inserts, high speed steel Coil-Sert® tap and an installation tool, some may include a proper size drill, and different lengths of inserts and a tang break off tool. We also offer Master Kits with a range of different sizes available in one kit.
| INCH SERIES | ||
| Thread Size Length | Kit Part No. | Inserts Per Kit |
| COARSE | ||
| 4-40 x .168 | IK401-04 | 12 |
| 5-40 x .188 | IK401-05 | 12 |
| 6-32 x .207 | IK401-06 | 12 |
| 8-32 x .246 | IK401-2 | 12 |
| 10-24 x .285 | IK401-3 | 12 |
| 12-24 x.324 | IK401-1 | 12 |
| 1/4-20 x .375 | IK401-4 | 12 |
| 5/16-18 x.469 | IK401-5 | 12 |
| 3/8-16 x .562 | IK401-6 | 12 |
| 7/16-14 x .656 | IK401-7 | 12 |
| 1/2-13 x .750 | IK401-8 | 12 |
| 9/16-12 x .844 | IK401-9 | 6 |
| 5/8-11 x .938 | IK401-10 | 6 |
| 3/4-10 x 1.125 | IK401-12 | 4 |
| 7/8-9 x 1.312 | IK521-14 | 6 |
| 1-8 x 1.500 | IK521-16 | 6 |
| 1 1/8-7 x 1.688 | IK521-18 | 5 |
| 1 1/4-7 x 1.875 | IK521-20 | 4 |
| 1 3/8-6 x 2.062 | IK521-22 | 4 |
| 1 1/2-6 x 2.250 | IK521-24 | 4 |
| FINE | ||
| 6-40 x .207 | IK402-06 | 12 |
| 8-36 x .246 | IK402-2 | 12 |
| 10-32 x .285 | IK402-3 | 12 |
| 1/4-28 x .375 | IK402-4 | 12 |
| 5/16-24 x .469 | IK402-5 | 12 |
| 3/8-24 x .562 | IK402-6 | 12 |
| 7/16-20 x.656 | IK402-7 | 12 |
| 1/2-20 x .750 | IK402-8 | 12 |
| 9/16-18 x .844 | IK402-9 | 6 |
| 5/8-18 x .938 | IK402-10 | 6 |
| 3/4-16 x 1.125 | IK402-12 | 4 |
| 7/8-14 x 1.312 | IK528-14 | 6 |
| 1-14 x 1.500 | IK528-16 | 6 |
| 1-12 x 1.500 | IK528-161 | 6 |
| 1 1/8-12 x 1.688 | IK528-18 | 5 |
| 1 1/4-12 x 1.875 | IK528-20 | 4 |
| 1 3/8-12 x 2.062 | IK528-22 | 4 |
| 1 1/2-12 x 2.250 | IK528-24 | 4 |
| METRIC SERIES | ||
| Thread Size Length | Kit Part No. | Inserts Per Kit |
| COARSE | ||
| M3 X 0.5 X 4.5 | IK403-3 | 12 |
| M3.5 X 0.6 X 5.3 | IK403-3.5 | 12 |
| M4 X 0.7 X 6.0 | IK403-4 | 12 |
| M5 X 0.8 X 7.5 | IK403-5 | 12 |
| M6 X 1.0 X 9.0 | IK403-6 | 12 |
| M7 X 1.0 X 10.5 | IK403-7 | 12 |
| M8 X 1.25 X 12.0 | IK403-8 | 12 |
| M9 X 1.25 X 13.5 | IK403-9 | 12 |
| M10 X 1.5 X 15.0 | IK403-10 | 12 |
| M11 X 1.5 X 16.5 | IK403-11 | 6 |
| M12 X 1.75 X 18.0 | IK403-12 | 6 |
| M14 X 2 X 21.0 | IK403-14 | 6 |
| M16 X 2 X 24.0 | IK403-16 | 6 |
| M18 X 2.5 X 27.0 | IK403-18 | 6 |
| M20 X 2.5 X 30.0 | IK403-20 | 4 |
| M22 X 2.5 X 27.0 | IK403-22 | 4 |
| M24 X 3.0 X 36.0 | IK403-24 | 4 |
| FINE | ||
| M8 X 1.0 X 12.0 | IK404-8 | 12 |
| M10 X 1.0 X 15.0 | IK404-10 | 12 |
| M10 X 1.25 X 15.0 | IK405-10 | 12 |
| M11 X 1.0 X 16.5 | IK404-11 | 6 |
| M11 X 1.25 X 16.5 | IK405-11 | 6 |
| M12 X 1.25 X 18.0 | IK405-12 | 6 |
| M12 X 1.5 X 18.0 | IK406-12 | 6 |
| M14 X 1.5 X 21.0 | IK406-14 | 6 |
| M16 X 1.5 X 24.0 | IK406-16 | 6 |
| M18 X 1.5 X 27.0 | IK406-18 | 5 |
| M20 X 1.5 X 30.0 | IK406-20 | 4 |
| M22 X 1.5 X 33.0 | IK406-22 | 4 |
