Desc:Introduction of PDC drill bit:1.Steel body with hardening tungsten carbide surface(WC),make the drill bit both high strength and very strong abrasion ...
Desc:Introduction of PDC drill bit:1.Steel body with hardening tungsten carbide surface(WC),make the drill bit both high strength and very strong abrasion ...
Desc:Drill Sharpener MR-13A1.Grinding is accurate and rapid, easy operation with no skill to grind. 2.Economical price that greatly reduces the cost and im...
Desc:Drill Sharpener MR-13A1.Grinding is accurate and rapid, easy operation with no skill to grind. 2.Economical price that greatly reduces the cost and im...
Desc:4Inch DTH Hammer Drill Bit DHD340 130mm High Air Pressure Down The Hole DTH Button BitThe use of a wide range:the bit is suitable for carbonate rock, ...
Desc:36mm Tapered 8 tooth/buttons Drilling bitThe selection of button bit is quite concerning with the rock condtion. If you don't know how to choose an ap...