Roller Bits For Core Barrel
Description
Application: Suitable for 80-160Mpa hardness work of foundation piles. Material: Tungsten carbide: YG11C, HRC88-92 + 42CrMo. Size: 5 1/2’’, 5 7/8’’, 6 1/2’’, 8 1/2’’, 12 1/4’’, 12 1/2’’, 17 1/2’’. Type: Weld-in roller bits, Roller bits with holder, Bolt-on roller bits Features 1:All covered with 14mm carbide cones. 2: Common holder locking by pins. 3: Rubber sealing O ring, Sliding bearing, with bearing lubricating oil tank. 4: Drilling pressure:200-350KN. Parameters AdvantagesRoller Bits For Core Barrel