Left Hand UNC Screw Thread Repair Kits
Please select size from the pull down menu.
Kit comes with HSS STI tap, installation tool and inserts
The insert length is 1.5 x diameter.
| Size | Part # | Inserts Per Kit |
Drill Size | |
| MM | INCH | |||
| 1/4-20 | STK1/4-20LH | 6 | 6.7 | 17/64 |
| 5/16-18 | STK5/16-18LH | 6 | 8.30 | 21/64 |
| 3/8-16 | STK3/8-16LH | 6 | 9.90 | 25/64 |
| 7/16-14 | STK7/16-14LH | 4 | 11.50 | 29/64 |
| 1/2-13 | STK1/2-13LH | 4 | 13.00 | 17/32 |
| 5/8-11 | STK5/8-11LH | 2 | 16.50 | 21/32 |
| 3/4-10 | STK3/4-10LH | 2 | 19.80 | 25/32 |
| 7/8-9 | STK7/8-9LH | 2 | 23.00 | 29/32 |
| 1-8 | STK1-8LH | 2 | 26.00 | 1-1/32 |
note: The Sets include a High Speed Steel Tap, Inserts and Installation/Tang Break Off Tool.
A drill is not included but the recommended size is listed.
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