China 10 Inch Down The Hole DTH Hammer Bits for Drilling, Find details about China 10 Inch DTH Bits, 10"DTH Bits from 10 Inch Down The Hole DTH Hammer Bits for Drilling
Bit diameter | Flushing holes No.*Button Dia. mm | No.*Button Dia. mm | Weight(kg) | ||
mm | inch | Gauge Buttons | Front Buttons | ||
254 | 10" | 2*Ф30 | 12*Ф19 | 8*Ф18+18*Ф16 | 85 |
280 | 11" | 3*Ф26 | 12*Ф19 | 9*Ф18+20*Ф16 | 91 |
295 | 11 5/8" | 3*Ф26 | 15*Ф19 | 27*Ф18+9*Ф16 | 95 |
305 | 12" | 3*Ф26 | 15*Ф19 | 27*Ф18+9*Ф16 | 97 |
311 | 12 1/4" | 3*Ф26 | 15*Ф19 | 27*Ф18+9*Ф16 | 98 |
315 | 12 3/8" | 3*Ф26 | 15*Ф19 | 27*Ф18+9*Ф16 | 101 |
330 | 13" | 3*Ф26 | 15*Ф19 | 27*Ф18+9*Ф16 | 114 |