Product
Product
GD series
GD55A
Product description
High air pressure DTH hammers and drill bits GD series DTH drill bits
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 | ||||
GD55A冲击器用钻头 Drill bits for GD55A hammers | |||||||
138 | 5 1/2 | 7x18 | 7x15 | 38 | 2 | 15.6 | GD55-138DVC7 |
146 | 5 3/4 | 7x18 | 7x15 | 38 | 2 | 16.1 | GD55-146DVC7 |
152 | 6 | 8X16 | 8X15 | 38 | 2 | 17 | GD55-152DFF8 |
165 | 6 1/2 | 8X18 | 8X16 | 38 | 2 | 18 | GD55-165DFF8 |
178 | 7 | 8X18 | 10X16 | 38 | 2 | 24 | GD55-178DFF8 |
185 | 7 1/4 | 8x18 | 10x16 | 38 | 2 | 26 | GD55-185DFF8 |
203 | 8 | 10x18 | 8x18+6x16 | 38 | 2 | 31 | GD55-203DCC8 |
