China 34 mm 7buttons High Quality Tapered Button Bits for Rock Drilling, Find details about China Drilling Tool, Drill Tool from 34 mm 7buttons High Quality Tapered Button Bits for Rock Drilling
6 Teeth tapered bits | ||||
Description | Diameter (mm) | Length (mm) | Water hole | Weight approx (kgs) |
Taper degree a=7°,11°,12°. Inner hole diameter d=22mm,24mm | 32 | 55 | 3 | 0.2 |
34 | 60 | 3 | 0.23 | |
36 | 65 | 3 | 0.3 | |
38 | 73 | 3 | 0.37 | |
40 | 67 | 3 | 0.37 | |
42 | 73 | 3 | 0.4 |