Carbide Gun Drill Blanks:
The gun drilling process and tooling have been refined for maximum performance and use on modern, dedicated machinery. Firearms continue to be a common application for gun drilling. Other industries include diesel fuel components, medical tooling, plastic injection molds, and more.
Our decicated engineers and skilled staff enable us to provide the best Carbide Gun Drill Blanks for the market domestic and abroad:
◆Single hole Carbide Gun Drill Blanks
◆Double Hole Carbide Gun Drill Blanks
◆kidney holes Carbide Gun Drill Blanks
Cemented Tungsten Carbide Gun Drill Blanks:
330 mm Carbide Gun Drill Blanks (Double Hole)
| D(mm) | Tolerance | d1 (mm) | Tolerance (mm) | d2 (mm) | Tolerance (mm) | length (mm) | Tolerance (mm) |
| 10 | +0.5/+0.3 | 1.9 | ±0.2 | 2.3 | ±0.2 | 330 | +3/0 |
| 10.5 | +0.5/+0.3 | 1.9 | 2.3 | 330 | |||
| 11 | +0.5/+0.3 | 2 | 2.4 | 330 | |||
| 12 | +0.5/+0.3 | 2.2 | 2.5 | 330 | |||
| 12.5 | +0.5/+0.3 | 2.2 | 2.5 | 330 | |||
| 13 | +0.5/+0.3 | 2.4 | 2.7 | 330 | |||
| 13.5 | +0.5/+0.3 | 2.4 | 2.7 | 330 | |||
| 14 | +0.6+0.4 | 2.5 | 2.8 | 330 | |||
| 14.5 | +0.6+0.4 | 2.5 | 2.8 | 330 | |||
| 15 | +0.6+0.4 | 2.6 | 3.3 | 330 | |||
| 15.5 | +0.6+0.4 | 2.8 | 3.3 | 330 | |||
| 16 | +0.6+0.4 | 2.8 | 3.5 | 330 | |||
| 16.5 | +0.6+0.4 | 3 | 3.5 | 330 | |||
| 17 | +0.9+0.4 | 2.6 | 3.7 | 330 | |||
| 18 | +0.9+0.4 | 3.2 | ±0.3 | 3.9 | ±0.3 | 330 | |
| 19 | +0.9+0.4 | 3.2 | 3.9 | 330 | |||
| 20 | +0.9+0.4 | 3.5 | 4.2 | 330 | |||
| 21 | +0.9+0.4 | 3.5 | 4.2 | 330 | |||
| 22 | +0.9+0.4 | 3.5 | 4.5 | 330 | |||
| 23 | +0.9+0.4 | 3.5 | 4.5 | 330 | |||
| 24 | +0.9+0.4 | 4 | 5.5 | 330 | |||
| 25 | +0.9+0.4 | 4 | 5.5 | 330 | |||
| 26 | +0.9+0.4 | 4 | 5 | 330 | |||
| 27 | +0.9+0.4 | 4.5 | 5.5 | 330 | |||
| 28 | +0.9+0.4 | 4.5 | 5.5 | 330 | |||
| 29 | +0.9+0.4 | 4.5 | 5.5 | 330 | |||
| 30 | +0.9+0.4 | 5 | 6 | 330 | |||
| 31 | +0.9+0.4 | 5 | 6 | 330 | |||
| 32 | +0.9+0.4 | 5 | 6 | 330 | |||
| 33 | +0.9+0.4 | 5 | 6 | 330 | |||
| 34 | +0.9+0.4 | 5.5 | 6.5 | 330 | |||
| 35 | +0.9+0.4 | 5.5 | 6.5 | 330 | |||
| 36 | +0.9+0.4 | 6 | 7 | 330 | |||
| 37 | +0.9+0.4 | 6 | 7 | 330 | |||
| 38 | +0.9+0.4 | 6 | 7 | 330 | |||
| 39 | +0.9+0.4 | 6.5 | 7.5 | 330 | |||
| 40 | +0.9+0.4 | 6.5 | 7.5 | 330 |
330mm Carbide Gun Drill Blanks (Kidney Hole)
| D(mm) | Tolerance | r1 (mm) | Tolerance (mm) | r2 (mm) | Tolerance (mm) | length (mm) | Tolerance (mm) |
| 3.5 | +0.5/+0.3 | 1.1 | ±0.2 | 0.7 | ±0.15 | 330 | +3/0 |
| 4.5 | +0.5/+0.3 | 1.1 | 0.7 | 330 | |||
| 5.5 | +0.5/+0.3 | 1.3 | 0.8 | 330 | |||
| 6.3 | +0.5/+0.3 | 1.6 | 0.9 | 330 | |||
| 6.9 | +0.5/+0.3 | 1.1 | 0.7 | 330 | |||
| 7.6 | +0.5/+0.3 | 1.7 | 1.2 | 330 | |||
| 8 | +0.5/+0.3 | 1.8 | 1.3 | 330 | |||
| 8.6 | +0.5/+0.3 | 1.9 | 1.3 | 330 | |||
| 9 | +0.5/+0.3 | 2 | 1.4 | 330 | |||
| 9.7 | +0.5/+0.3 | 2.2 | 1.4 | 330 | |||
| 10.5 | +0.5/+0.3 | 3.2 | 2.4 | 330 | |||
| Short Carbide Gun Drill Blanks | |||||||
| d (mm) | d1 (mm) | d2 (mm) | d3 (mm) | L mm | |||
| 17 | 8 | 2.6 | 3.7 | 45 | |||
| 18 | 8.6 | 3.2 | 3.9 | 51 | |||
| 19 | 9 | 3.2 | 3.9 | 51 | |||
| 20 | 9.6 | 3.5 | 4.2 | 55 | |||
| 21 | 10 | 3.5 | 4.2 | 55 | |||
| 22 | 10.6 | 3.5 | 4.5 | 58 | |||
| 23 | 11 | 3.5 | 4.5 | 58 | |||
| 24 | 11.4 | 4 | 5 | 58 | |||
| 25 | 11.9 | 4 | 5 | 61 | |||
| 26 | 12.4 | 4 | 5 | 61 | |||
| 27 | 12.9 | 4.5 | 5.5 | 61 | |||
| 28 | 13.4 | 4.5 | 5.5 | 63 | |||
| 29 | 13.4 | 4.5 | 5.5 | 63 | |||
| 30 | 14.4 | 5 | 5.5 | 65 | |||
| 31 | 14.9 | 5 | 6 | 65 | |||
| 32 | 15.4 | 5 | 6 | 65 | |||
| 33 | 15.4 | 5 | 6 | 65 | |||
| 34 | 16.2 | 5.5 | 6.5 | 65 | |||
| 35 | 16.2 | 5.5 | 6.5 | 65 | |||
| 36 | 17.2 | 6 | 7 | 65 | |||
| 37 | 17.9 | 6 | 7 | 65 | |||
| 38 | 17.9 | 6 | 7 | 65 | |||
| 39 | 18.7 | 6.5 | 7.5 | 65 | |||
| 40 | 18.7 | 6.5 | 7.5 | 65 | |||
