China Round Shank Carbide Rock Auger Drill Bit Cutting Bullet Teeth Cutter Pick B47K22h, Find details about China Carbide Bullet Teeth, Drill Bit Cutter Teeth from Round Shank Carbide Rock Auger Drill Bit Cutting Bullet Teeth Cutter Pick B47K22h
/ | (mm) | / | ||||||
Model | Carbide diameter | Body diameter | Clip daimeter | Clip width | Clip location | Holder length | Body length | Type |
(D1) | (D2) | (D3) | ||||||
3050 | 16-22 | 50 | 30 | 38 | / | 70-90 | 130-150 | bullet teeth in construction |
3055 | 19-30 | 55 | 30 | 38 | / | 75 | 135 | bullet teeth in construction |
3060 | 19-30 | 60 | 30 | 38 | / | 73-92 | 133-152 | bullet teeth in construction |
For drilling and tunnel boring in medium to extremely hard rock and concrete. |
MATERIAL | HARDNESS | |
Tungsten Carbide Tip | WC-Co (YG11-YG7) | >85HRA |
Holder | 42CrMo | 48~53HRC |
Shank | 38~42HRC | |
Circlip | High Elasticity 65Mn | / |