China 12.5" Raise Boring Cutter Railway Highway Bridge Cutter Head Cutter Ring Mixed Cutter Head Pile Foundation, Find details about China Tbm Cutter, Pipe Jacking Cutters from 12.5" Raise Boring Cutter Railway Highway Bridge Cutter Head Cutter Ring Mixed Cutter Head Pile Foundation
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° |