China 12.5" Raise Boring Cutter Mixed Cutter Head Pile Foundation Construction Drilling Tools Cutter Head Drilling Machine, Find details about China Tbm Cutter, Pipe Jacking Cutters from 12.5" Raise Boring Cutter Mixed Cutter Head Pile Foundation Construction Drilling Tools Cutter Head 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° |