China Drilling Tools 12.5" Carbide Teeth Pile Foundation Construction Mixed Cutter Head Cutter Ring Hard Rock Drilling, Find details about China Tbm Cutter, Pipe Jacking Cutters from Drilling Tools 12.5" Carbide Teeth Pile Foundation Construction Mixed Cutter Head Cutter Ring Hard Rock Drilling
12.5" | 14.5" | |||||||
622 | 612 | 522 | 512 | 622 | 612 | 522 | 512 | |
Maximum diameter (mm) | 318 | 370 | ||||||
Rows of alloy teeth | 6 | 5 | 6 | 5 | ||||
Taper | 20° | 20° |