7pc HSS Counterbore Sets (1)
7pc HSS Counterbore Sets (2)
7pc HSS Counterbore Sets (3)
7pc HSS Counterbore Sets (4)
7pc HSS Counterbore Sets (5)
7pc HSS Counterbore Sets (6)
7pc HSS Counterbore Sets (7)
7pc HSS Counterbore Sets
Features:
Super tough high speed steel ensures fast working speed and long life
Ideal for enlarging holes for the socket heads of cap screws
Stright shank
Titanium coating available
7Pcs/Set: M3,M4,M5,M6,M8,M10,M12, other specifications available
| Size | Pilot Dia | Cutter Dia | Shank Dia | Overall Length |
|---|---|---|---|---|
| MM | MM | MM | MM | MM |
| M3 | 3.2 | 6 | 5 | 71 |
| M3 | 3.4 | 6 | 5 | 71 |
| M3.5 | 3.7 | 6.5 | 5 | 71 |
| M4 | 4.3 | 8 | 5 | 71 |
| M4 | 4.5 | 8 | 5 | 71 |
| M4.5 | 4.8 | 8 | 8 | 71 |
| M5 | 5.3 | 10 | 8 | 80 |
| M5 | 5.5 | 10 | 8 | 80 |
| M6 | 6.4 | 11 | 8 | 80 |
| M6 | 6.6 | 11 | 8 | 80 |
| M8 | 8.4 | 15 | 12.5 | 100 |
| M8 | 9 | 15 | 12.5 | 100 |
| M10 | 10.5 | 18 | 12.5 | 100 |
| M10 | 11 | 18 | 12.5 | 100 |
| M12 | 13 | 20 | 12.5 | 100 |
| M12 | 13.5 | 20 | 12.5 | 100 |
| M14 | 16 | 24 | 12.5 | 100 |
| M16 | 17 | 26 | 12.5 | 100 |
| M16 | 18 | 26 | 12.5 | 100 |
| M18 | 19 | 30 | 12.5 | 100 |
| M20 | 21 | 33 | 12.5 | 125 |
| M20 | 22 | 33 | 12.5 | 125 |
| M24 | 25.4 | 40 | 16 | 254 |
NOTE: Different sizes, lengths and thread sizes are available. Inquire for pricing.