直径 Diameter | 合金数量、直径 No x Buttons diameter mm | 角度 Button angle°
| 气孔 Air holes | 重量 Weight (Kg) | 编号 Part No | ||
mm | inch | 边齿 Gauge | 中齿 Front | ||||
GM50冲击器用钻头 Drill bits for GM50 hammers | |||||||
138 | 5 1/2 | 7x18 | 7x15 | 38 | 2 | 13 | GM50-138DVC7 |
146 | 5 3/4 | 7x18 | 7x15 | 38 | 2 | 14 | GM50-146DCV7 |
152 | 6 | 8X16 | 8X15 | 38 | 2 | 14.4 | GM50-152DFF8 |
165 | 6 1/2 | 8X18 | 8X16 | 38 | 2 | 15.6 | GM50-165DFF8 |
178 | 7 | 8X18 | 10X16 | 38 | 2 | 18.2 | GM50-178DFF8 |
185 | 7 1/4 | 8x18 | 10x16 | 38 | 2 | 24 | GM50-185DFF8 |