... steel tooth bit and pdc bits Material: Alloy steel Certificated by API&ISO9001:2008 New PDC Bits for ... can supply rock bits,tricone bits, kingdream bit,diamond bits,PDC bits,TCI bits, steel tooth bits, ... ” to 13-1/2”.There are different PDC (polycrystalline diamond compact) grades and shapes applied ... 517,617,637 TypeTricone bits, Steel tooth bits, PDC bits Applicable water well, oil field, construction, ...