r32, r25, t38, t45, t51, gt60
1 Years
AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN
Polishing
Forging
Tungsten Carbide, High Manganese Steel
Coal Mining,Quarry Drilling or Well Drilling
Air/Sea/Express
High Performance
Down The Hole (DTH) Bit
Flat;Convex;Concave
Spherical; Ballistic; Parabolic
Wooden Box or as Customers Inquire