Master Insert Kits
These Master kits are ideal for use where inserts are used on a regular basis for repair operations. Each kit contains several different sizes of inserts as tabulate,tool for driving " kees " and complete installation instructions. The kits provide convenient storage and easy access to the various sizes. All inserts are made of carbon steel.
Heavy Duty
TR17735: Unified National coarse series threads
| Internal thread size | External thread Diameter | No of inserts per kits |
| 1/4-20 | 7/16-14 | 20 |
| 5/16-18 | 1/2-13 | 15 |
| 3/8-16 | 9/16-12 | 10 |
| 7/16-14 | 5/8-11 | 10 |
| 1/2-13 | 3/4-16 | 6 |
| 9/16-12 | 3/4-16 | 5 |
| 5/8-11 | 7/8-14 | 3 |
| 3/4-10 | 1-1/8-12 | 3 |
| 7/8-9 | 1-1/4-12 | 3 |
| 1-8 | 1-3/8-12 | 2 |
TR17736
Unified National Fineseries threads
| Internal thread size | External thread Diameter | No of inserts per kits |
| 1/4-28 | 7/16-14 | 20 |
| 5/16-24 | 1/2-13 | 15 |
| 3/8-24 | 9/16-12 | 10 |
| 7/16-20 | 5/8-11 | 10 |
| 1/2-20 | 3/4-16 | 6 |
| 9/16-18 | 3/4-16 | 5 |
| 5/8-18 | 7/8-14 | 3 |
| 3/4-16 | 1-1/8-12 | 3 |
| 7/8-14 | 1-1/4-12 | 3 |
| 1-12 | 1-3/8-12 | 2 |
THINWALL
TR17780 coarse
| Internal thread size | External thread Diameter | No of inserts per kits |
| 10-24 | 5/16-18 | 20 |
| 1/4-20 | 3/8-16 | 20 |
| 5/16-18 | 7/16-14 | 15 |
| 3/8-16 | 1/2-13 | 10 |
| 7/16-14 | 9/16-12 | 10 |
| 1/2-13 | 5/8-11 | 6 |
TR17781 Fine
| Internal thread size | External thread Diameter | No of inserts per kits |
| 10-32 | 5/16-18 | 20 |
| 1/4-28 | 3/8-16 | 20 |
| 5/16-24 | 7/16-14 | 15 |
| 3/8-24 | 1/2-13 | 10 |
| 7/16-20 | 9/16-12 | 10 |
| 1/2-20 | 5/8-11 | 6 |
METRIC
TR17525
| Internal thread size | External thread Diameter | No of inserts per kits |
| 6X1.0 | 10X1.25 | 20 |
| 8X1.0 | 12X1.25 | 15 |
| 8X1.25 | 12X1.25 | 15 |
| 10X1.25 | 14X1.5 | 10 |
| 10X1.5 | 14X1.5 | 10 |
| 12X1.25 | 16X1.5 | 6 |
| 12X1.75 | 16X1.5 | 6 |
TR17550
| Internal thread size | External thread Diameter | No of inserts per kits |
| 14X1.5 | 20X1.5 | 4 |
| 14X2.0 | 20X1.5 | 4 |
| 16X1.5 | 22X1.5 | 3 |
| 18X1.5 | 24X1.5 | 2 |
| 20X1.5 | 30X2.0 | 3 |
| 22X1.5 | 32X2.0 | 3 |
| 24X2.0 | 33X2.0 | 2 |
