China RC Drilling Reverse Circulation Down The Hole Hammer and Bit for Exploration Re531, Find details about China Drill Bits, DTH Bit from RC Drilling Reverse Circulation Down The Hole Hammer and Bit for Exploration Re531
Technical Parameters ( REVERSE CIRCULATION DRILL BIT AND SHROUD ) | ||||||||
Diameter | No x Button diameter, mm | Button angleº | Flushing holes | Weight(kg) | Part No | |||
mm | inch | Gauge Buttons | Front Buttons | |||||
86 | 2 1/4 | 6*12 | 4*12 | 35 | 2*12 | 4.2 | RE531-86 | |
89 | 2 1/2 | 8*12 | 5*12 | 35 | 2*12 | 4.3 | RE531-89 | |
95 | 2 3/4 | 8*12 | 6*12 | 35 | 2*12 | 4.6 | RE531-95 | |
102 | 3 | 8*12 | 6*12 | 35 | 2*12 | 4.9 | RE531-102 |