China 14.5" Pile Foundation Construction Raise Boring Cutter Mixed Cutter Head Carbide Teeth Hard Rock Drilling Machine, Find details about China Tbm Cutter, Pipe Jacking Cutters from 14.5" Pile Foundation Construction Raise Boring Cutter Mixed Cutter Head Carbide Teeth Hard Rock Drilling Machine
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° |