Tungsten Carbide
Semi-Ballistic / Parabolic
Jouneral Bearing Sealed
Spray Paint
Middle to Hard and Abrasive Rock
Solid Sandstone, Limestone, Marble, Dolomite
Well Drilling Equipment
Liquid Cycle or Air Cycle
Laser Welding or High Frequency
Oil Well, Mining Well, Water Well, Geographical Ex
High Performance and Long Life
7-15days
Wooden Box