China Cop64 Down The Hole DTH Hammer Bits for Drilling, Find details about China Cop64 DTH Bitr, DHD360 DTH Bit from Cop64 Down The Hole DTH Hammer Bits for Drilling
Bit diameter | Flushing holes No.*Button Dia. mm | No.*Button Dia. mm | Weight (kg) | Part No. | ||
mm | inch | Gauge Buttons | Front Buttons | |||
152 | 6" | 2*Ф26 | 8*Ф18 | 4*Ф16+4*Ф14 | 23 | HD65-152 |
156 | 6 1/8" | 2*Ф26 | 8*Ф18 | 4*Ф16+4*Ф14 | 23.5 | HD65-156 |
160 | 6 5/16" | 2*Ф26 | 8*Ф18 | 4*Ф16+4*Ф14 | 23.5 | HD65-160 |
165 | 6 1/2" | 2*Ф26 | 8*Ф18 | 8*Ф16 | 24 | HD65-165 |
171 | 6 3/4" | 2*Ф26 | 8*Ф18 | 10*Ф16 | 25 | HD65-171 |
185 | 7 1/4" | 3*Ф22 | 9*Ф18 | 10*Ф16 | 27 | HD65-185 |
190 | 7 1/2" | 2*Ф26 | 10*Ф18 | 13*Ф16 | 28 | HD65-190 |
203 | 8" | 2*Ф26 | 10*Ф18 | 14*Ф16 | 31 | HD65-203 |