Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.
(1)Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60
(2)Diameter: 38-127mm.
(3)Body: Normal body or retrac body
(4)Button size: Spherical button/Ballistic button/ Conical button
Color: Green,Blue or Based on Customer requirements