
T.C.T drill bit with 1/4” Hex shank
| Bit Dia. (mm) | Overall length (mm) | Pc.per pkg. | Part No. | 
| 3 | 80 | 1 | D-31463 | 
| 4 | 80 | 1 | D-31479 | 
| 6 | 100 | 1 | D-31491 | 
| 8 | 100 | 1 | D-31500 | 

| Bit Dia. (mm) | Overall length (mm) | Pc.per pkg. | Part No. | 
| 3 | 80 | 1 | D-31463 | 
| 4 | 80 | 1 | D-31479 | 
| 6 | 100 | 1 | D-31491 | 
| 8 | 100 | 1 | D-31500 |