rock drill tool & drill bits
Product Description
Drill bits are suitable for digging of very hard rock formation,hard formation and crack-grown formation.
We choose different material and size for the drill bits in order to adapt the different rock formation and working conditons
1.excellent drilling penetration
2.used in very hard or hardest rock formations
3.adequate for various construction conditon
4.strong correstion resistance
the diameter is from 32mm to 76mm
thread button bits,taperd bits ,cross bits,etc
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