Applicable Industries
건설 works, 에너지 & 광산
물자
Carbon Steel, diamond, the best diamond & sintered
Product name
pdc two wings roof bolt drill bits
Color
Gold, silver, Dark blue, grey, black, etc.
Processing type
welding or forging
Application
coal mine, water canservancy & hydropower
Thread
M14 M16 R22 Rd17, etc
Diameter
26mm, 27mm, 28mm, 29mm, 30mm, 32mm, 42mm ,etc
Shape
Half piece / complete piece
Qunatity of wings
2 wings or 3 wings
Quantity of PDC
1-3 Pieces