Model NO. :417/427/437/447/517/527/537/547/617/627/637/737/83
OEM :Yes
Drilling Tool :Core Barrel
Tail Part :Slightly Lower Hardness, Good Toughness
Formation :for Slightly Weathered Rock
Cermented Carbide :Super Coarse Particle, Hard Wearing and Hardness
Body Material :20crnimoa for The Body, 15mnni4mo for The Wheel
Transport Package :Wooden Cases
Trademark :RIGPA
Origin :China
HS Code :8207130000
Production Capacity :10000000
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