China 14.5" Raise Boring Cutter 6 Rows Mixed Cutter Head Cutter Ring Carbide Teeth Hard Rock Drilling Machine, Find details about China Tbm Cutter, Pipe Jacking Cutters from 14.5" Raise Boring Cutter 6 Rows Mixed Cutter Head Cutter Ring 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° |