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.

SKU/Part No:

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