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Rubber Collar Drill Steels
- 1 : 22mm AF Hex Hollow Rubber Collar Drill Steels ( 11 degree Taper )
- 2 .Type : 11 degree Taper 22mm AF Hex Hollow Rubber Collar Drill Steels
- 3. Application : Underground mining such as Platinum mines, Gold Mines, Quarries surface such as Black Granit Quarries, Aggregate Stone Quarries.