China Paper Drill Bit for Packing Use Hollow Type Drill Bit, Find details about China Drilling Machine Part, Punching Consumable from Paper Drill Bit for Packing Use Hollow Type Drill Bit
Total length(mm) | 32-135 |
Straight drill shank diameter(mm) | 8.8-11 |
Punch diameter(mm) | 3-10 |
inside diameter(mm) | 1mm smaller than the outer diameter |