Weight 18kg
Overall length 550mm
Diameter of cylinder 58mm
Piston stroke 45mm
Inner diameter of air pipe 19mm
Inner diameter of water pipe 8mm
Specification of bit shank 22×108mm
Service…
Non-magnetic Drill collars are made from Non-magnetic materials with high-strength (YDWC20-18) or low- strength (YDWC20-14) by combining a proprietary chemical analysis and a rotary hammer forging pro…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea