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Sollroc DTH Drilling Tools Concentric Overburden Casing Drilling System

China Sollroc DTH Drilling Tools Concentric Overburden Casing Drilling System, Find details about China Drill Bit, Rock Ring Bits from Sollroc DTH Drilling Tools Concentric Overburden Casing Drilling System

Certification
CE, RoHS, ISO 9001:2000, ISO 9001:2008
Standard
AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN
Surface Treatment
Polishing
Manufacturing Process
Forging
Material
Steel and Tungsten Carbide
Color
Yellow, Red, Blue,Orange, Green etc.
Depth of The Hole
10m-1000m
Diameter of The Hole
90mm-350mm
Trademark
CH DRILL
Transport Package
Wooden Case
Specification
133/146/168mm
Origin
Zhuzhou, Hunan, China
HS Code
8207199000

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