... price 4- All model & dimension available 5-High speed Steel tooth Tricone drill bit Hejian Fist Petroleum Equipment Co., Ltd. We ... 5/8 more information: Model6-26( inch) TypeTricone bits, Steel tooth bits, PDC bits Applicable water well, oil field, construction, geothermal ... , hard formation Bearing rubber seal or metal seal Packing wooden box, steel box, or as your requirements Payment Term T/T or ...