API Threading Chasers, Carbide Inserts for Tube Machining, Bar Peeling Inserts manufacturer / supplier in China, offering Oil & Gas -Threading Chasers-API 8 Round -16er 8-3rdc, Oil & Gas Threading- Ottm Buttress Chasers-E5bn1-2, Oil & Gas Threading-Indexable Carbide API Threading Chasers-API Round-S24nr10rd2-4b and so on.