Top hammers drill bits T51/T60/ST68 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 | |||
T51(2’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
89 | 3 1∕2 | 8×12 | 4×12 | 35° | - | 2 | 3.5 | GD89-T51DFF8N |
89 | 3 1∕2 | 6×14 | 4×12 | 35° | 3 | 3.4 | GD89-T51BFF6N | |
89 | 3 1∕2 | 8×12 | 4×11 1×11 | 35° | - | 4 | 3.5 | GD89-T51PCC8N |
89 | 3 1∕2 | 8×12 | 4×11 1×11 | 35° | - | 4 | 4.9 | GD89-T51PCC8R |
102 | 4 | 8×14 | 6×12 | 35° | 1 | 2 | 5.3 | GD102-T51BFF8N |
102 | 4 | 8×14 | 4×12 2×12 | 35° | - | 4 | 5.1 | GD102-T51PCC8N |
102 | 4 | 8×14 | 4×12 2×12 | 35° | - | 4 | 7.2 | GD102-T51PCC8R |
115 | 4 1∕2 | 8×14 | 8×12 | 35° | 1 | 2 | 6.7 | GD115-T51BFF8N |
115 | 4 1∕2 | 8×14 | 4×12 2×12 | 35° | - | 4 | 5.8 | GD115-T51PCC8N |
115 | 4 1∕2 | 8×14 | 4×12 2×12 | 35° | - | 4 | 9.5 | GD115-T51PCC8R |
127 | 5 | 8×16 | 8×14 | 35° | 1 | 2 | 6.8 | GD127-T51BFF8N |
127 | 5 | 8×16 | 4×14 4×14 | 35° | - | 4 | 6.8 | GD127-T51PCC8N |
127 | 5 | 8×16 | 4×14 4×14 | 35° | - | 4 | 11.2 | GD127-T51PCC8R |
T60(23/8’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
102 | 4 | 8×14 | 6×12 | 35° | - | 2 | 8.2 | GD102-T60BFF8N |
115 | 4 1∕2 | 8×14 | 8×12 | 35° | - | 2 | 10.1 | GD115-T60BFF8N |
127 | 5 | 8×16 | 8×14 | 35° | - | 2 | 11.3 | GD127-T60BFF8N |
152 | 6 | 8×16 | 8×16 | 35° | - | 4 | 15.9 | GD152-T60BFF8N |
ST68(211/16’’) BUTTON BIT-(Spherical buttons& Ballistic buttons) | ||||||||
115 | 4 1∕2 | 8×14 | 8×12 | 35° | - | 2 | 8.2 | GD115-T68BFF8N |
127 | 5 | 8×16 | 8×14 | 35° | - | 2 | 10.2 | GD127-T68BFF8N |
140 | 5 1∕2 | 8×18 | 8×16 | 35° | - | 2 | 12.0 | GD140-T68BFF8N |
152 | 6 | 8×16 | 8×16 | 35° | - | 2 | 16.0 | GD152-T68BFF8N |