图片名称

7° 11° 12°Tapered Drill Rod

Tapered drill rod work with taper drill bits which are usually hexagonal. When it comes to the small-hole drilling tools equipped with pneumatic & hydraulic rock drills.

19mm 22mmIntegral Drill Rod

Integral drill steel rod is used by a hand held drill machine in underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. According to different application, different lengths are available from 600mm to 9600mm usually.

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Small Hole Drilling Tool Specification

Tapered Drill Bit
Taper 7°, 11°, 12°
Head Diameter 28mm~48mm
Bit Type Tapered rock bit,Chisel bit(Oblique chipways chisel bit,Flat chipways chisel bit,Oblique-flat chipways chisel bit),Cross-type bit,Short skirt,Long skirt
Tapered Drill Rod
Taper 7°, 11°, 12°
Rod Diameter Hex22, Hex25
Length 400mm~5500mm
Integral Drill Rod
Bit Diameter 24mm~40mm
Rod Diameter Hex19, Hex22
Shank Length 108mm
Effective Length 400mm~6400mm