High Speed Steel
Well Drilling, Coal, Ore, Water Well, Pneumatic
DHD, Cop, SD, Ql, Br, Numa, Mission, PDC
Flat, Concave, Convex, Drop-Center, Double Gauge F
Spherical, Ballistic, Parabolic, Conical
Black, Gold, Red, Blue, Grey
Flat, Convex, Concave
Small Quantity Is Acceptable
Standard Export Packing