China 12.5" Raise Boring Cutter Carbide Teeth Hard Rock Drilling Cutter Head Mixed Head Pile Foundation Construction, Find details about China Tbm Cutter, Pipe Jacking Cutters from 12.5" Raise Boring Cutter Carbide Teeth Hard Rock Drilling Cutter Head Mixed Head Pile Foundation Construction
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° |