
顶锤式钻具 R25/R28/R32/R38螺纹连接钻头
Top hammers drill bits R25/R28/R32/R38 Thread bit
直径 Diameter | 合金数量、直径 No x Buttons diameter mm | 角度 Button angle°
| 水孔 flushing holes | 重量 Weight (Kg) | 编号 Part No | |||
mm | inch | 边齿 Gauge | 中齿 Front | Side | Front | |||
R25(1’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
33 | 1 5∕16 | 5×7 | 2×7 | 35° | 1 | 1 | 0.4 | GD33-R25PFF5N |
35 | 1 3∕8 | 5×9 | 2×7 | 30° | 1 | 1 | 0.5 | GD35-R25PFF5N |
38 | 1 1∕2 | 5×9 | 2×7 | 30° | 1 | 1 | 0.6 | GD38-R25PFF5N |
38 | 1 1∕2 | 4×9 | 2×8 | 30° | 2 | 1 | 0.5 | GD33-R25PFF4N |
41 | 1 5∕8 | 5×9 | 2×8 | 35° | 1 | 1 | 0.6 | GD41-R25PFF5N |
41 | 1 5∕8 | 4×9 | 2×9 | 35° | 2 | 1 | 0.6 | GD41-R25PFF4N |
45 | 1 3∕4 | 5×11 | 2×8 | 30° | 2 | 1 | 0.7 | GD45-R25PFF5N |
45 | 1 3∕4 | 4×11 | 2×9 | 35° | 2 | 1 | 0.6 | GD45-R25PFF4N |
48 | 1 7∕8 | 5×11 | 2×9 | 35° | 2 | 1 | 1.0 | GD48-R25PFF5N |
R28(11/8’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
38 | 1 1∕2 | 5×9 | 2×7 | 30° | 1 | 1 | 0.6 | GD38-R28PFF5N |
41 | 1 5∕8 | 5×9 | 2×8 | 35° | 1 | 1 | 0.7 | GD41-R28PFF5N |
43 | 1 11∕16 | 5×9 | 2×8 | 35° | 2 | 1 | 0.7 | GD43-R28PFF5N |
45 | 1 3∕4 | 6×9 | 3×8 | 35° | 1 | 3 | 0.8 | GD45-R28PFF6N |
R32(11/8’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
45 | 1 3∕4 | 5×9 | 2×8 | 30° | 1 | 1 | 0.8 | GD45-R32PFF5N |
45 | 1 3∕4 | 6×9 | 3×8 | 35° | 1 | 3 | 0.8 | GD45-R32PFF6N |
48 | 1 7∕8 | 5×10 | 2×9 | 35° | 2 | 1 | 0.8 | GD48-R32PFF5N |
48 | 1 7∕8 | 6×9 | 3×8 | 35° | 1 | 3 | 0.9 | GD48-R32PFF6N |
51 | 2 | 5×11 | 2×11 | 35° | 2 | 1 | 0.9 | GD51-R32PFF5N |
51 | 2 | 6×10 | 3×9 | 35° | 1 | 3 | 1.1 | GD51-R32PFF6N |
57 | 2 1∕4 | 6×11 | 3×9 | 35° | 1 | 3 | 1.1 | GD57-R32PFF6N |
57 | 2 1∕4 | 6×11 | 3×9 | 35° | 1 | 3 | 1.5 | GD57-R32PFF6N |
64 | 2 1∕2 | 8×10 | 4×10 | 35° | 1 | 2 | 1.5 | GD64-R32PFF8N |
64 | 2 1∕2 | 6×10 | 3×10 1×10 | 35° | - | 3 | 2.2 | GD64-R32PCC6R |
76 | 3 | 8×11 | 4×11 | 35° | 1 | 2 | 1.8 | GD76-R32PFF8N |
76 | 3 | 8×11 | 4×11 1×11 | 35° | - | 4 | 3.4 | GD76-R32PCC8R |
R38(11/2’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
64 | 2 1∕2 | 8×10 | 4×10 | 35° | 1 | 2 | 1.7 | GD64-R38PFF8N |
76 | 3 | 8×11 | 4×11 | 35° | 1 | 2 | 2.6 | GD76-R38PFF8N |