China Raise Boring Cutter 622 Rock Drilling Tools Head Cutter Tools Head Cutter Cutting Machine Drilling Tools, Find details about China Tbm Cutter, Pipe Jacking Cutters from Raise Boring Cutter 622 Rock Drilling Tools Head Cutter Tools Head Cutter Cutting Machine Drilling Tools
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° |