API Threading Chasers, Carbide Inserts for Tube Machining, Bar Peeling Inserts manufacturer / supplier in China, offering Hole-Making-Deep Hole Drills- Peripheral Drilling Inserts-P08t308-G, Hole-Making-Deep Hole Drills-Peripheral Drilling Inserts-P13t308-G, Hole-Making-Deep Hole Drilling Tools-Peripheral Drill Inserts-P060308-G-8364 and so on.