Coal Drill Bit for Roof Bolting

Swastic Drilling Company Limited

Coal Drill Bit for Roof Bolting

Types: Dry (without hole), Wet (With Hole for Water Flushing)
Thread Type: M16, ½ BSW
Size: 27mm, 29mm, 30mm, 32mm
Tip Types: Coal or Stone
Make: SDC

Other Names – Roof Bolting Drill Bit, 27mm Coal Drill Bit, 27mm Stone Drill Bit, SDC 27mm Drill Bits.

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