| Helicoil Kit |
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Helicoil insets are available in thread repair kits and sets for repairing tapped holes which have been stripped or damaged due to wear, corrosion and over torque. They are available in inch, metric, spark plug and pipe thread series.
All kits have a quantity of inserts, the proper size drill, high speed steel Heli-Coil tap and an installation tool. The Professional Kits also includes a tang removal tool and quantities of three lengths of inserts. |
Thread
Size |
Kit
P/N |
Inserts
per Kit |
| Inch Coarse Thread(UNC) |
| 4-40 |
5401-04 |
36* |
| 5-40 |
5401-05 |
36* |
| 6-32 |
5401-06 |
36* |
| 8-32 |
5401-2 |
36* |
| 10-24 |
5401-3 |
36* |
| 12-24 |
5401-1 |
36* |
| 1/4-20 |
5401-4 |
36* |
| 5/16-18 |
5401-5 |
36* |
| 3/8-16 |
5401-6 |
18* |
| 7/16-14 |
5401-7 |
18* |
| 1/2-13 |
5401-8 |
18* |
| 9/16-12 |
5401-9 |
6 |
| 5/8-11 |
5401-10 |
6 |
| 3/4-10 |
5401-12 |
4 |
| 7/8-9 |
5521-14 |
6 |
| 1-8 |
5521-16 |
6 |
| 1-1/8-7 |
5521-18 |
5 |
| 1-1/4-7 |
5521-20 |
4 |
| 1-3/8-6 |
5521-22 |
4 |
| 1-1/2-6 |
5521-24 |
4 |
| Inch Fine Thread(UNF) |
| 6-40 |
5402-06 |
36* |
| 8-36 |
5402-2 |
36* |
| 10-32 |
5402-3 |
36* |
| 1/4-28 |
5402-4 |
36* |
| 5/16-24 |
5402-5 |
36* |
| 3/8-24 |
5402-6 |
18* |
| 7/17-20 |
5402-7 |
18* |
| 1/2-20 |
5402-8 |
18* |
| 9/16-18 |
5402-9 |
6 |
| 5/8-18 |
5402-10 |
6 |
| 3/4-16 |
5402-12 |
4 |
| 7/8-14 |
5528-14 |
6 |
| 1-14 |
5528-16 |
6 |
| 1-12 |
5528-161 |
6 |
| 1-1/8-12 |
5528-18 |
5 |
| 1-1/4-12 |
5528-20 |
4 |
| 1-3/8-12 |
5528-22 |
4 |
| 1-1/2-12 |
5528-24 |
4 |
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| *The total quantity of inserts in the Professional Kits represents 3 lengths. |
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Thread
Size
|
Kit
P/N |
Inserts
per Kit |
| Metric Coarse |
| M3x0.5 |
5403-3 |
36* |
| M3.5x0.6 |
5403-3.5 |
36* |
| M4x0.7 |
5403-4 |
18* |
| M5x0.8 |
5403-5 |
18* |
| M6x1 |
5403-6 |
18* |
| M7x1 |
5403-7 |
18* |
| M8x1.25 |
5403-8 |
18* |
| M9x1.25 |
5403-9 |
12 |
| M10x1.5 |
5403-10 |
18* |
| M11x1.5 |
5403-11 |
6 |
| M12x1.75 |
5403-12 |
18* |
| M14x2 |
5403-14 |
12 |
| M16x2 |
5403-16 |
6 |
| M18x2.5 |
5403-18 |
6 |
| M20x2.5 |
5403-20 |
4 |
| Metric Fine |
| M8x1 |
5404-8 |
18* |
| M10x1 |
5404-10 |
18* |
| M10x1.25 |
5404-10 |
18* |
| M12x1.25 |
5404-12 |
18* |
| M12x1.5 |
5404-12 |
18* |
| M14x1.5 |
5404-14 |
6 |
| M16x1.5 |
5404-16 |
6 |
| M18x1.5 |
5404-18 |
6 |
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| SPARK PLUG SERIES |
Thread
Size |
Part No. |
Reach |
Inserts
Per Kit |
| 10-1.0mm |
5523-10 |
1/2 |
24 |
| 12-1.25mm |
5523-12 |
1/2 |
12 |
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3/4 |
12 |
| 14-1.25mm |
5523-14 |
| 3/8 |
6 |
| 7/16 |
6 |
| 1/2 |
6 |
| 3/4 |
6 |
| .472 |
6 |
| 18-1.50mm |
5523-18 |
1/2 |
24 |
| 7/8-18 |
550 |
1/2-5/8 |
10 |
| M14x1.25* |
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Short |
6 |
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Normal |
6 |
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Long |
6 |
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| PIPE THREAD SERIES |
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Thread
Size |
Part No. |
Inserts
Per Kit |
| 1/8-27 |
5407-2 |
12 |
| 1/4-18 |
5407-4 |
12 |
| 3/8-18 |
5407-6 |
10 |
| 1/2-14 |
5407-8 |
10 |
| 3/4-14 |
5407-12 |
10 |
| 1-11-1/2 |
5407-16 |
6 |
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| *The total quantity of inserts in the Professional Kits represents 3 lengths. |
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| MASTER THREAD REPAIR SETS |
| Type |
Part No. |
Insert sizes included in set |
| Inch Coarse |
4934 |
1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13, 5/8-11 |
| Inch Fine |
4936 |
10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, 1/2-20 |
| Metric |
4937-125 |
M5x0.8, M6x1, M8x1.25, M10x1.25 |
| Metric |
4937-150 |
M5x0.8, M6x1, M8x1.25, M10x1.5 |
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| All sets contain a drill, tap, tool and inserts for each size listed above. |
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| Download Product Catalogues |
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