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