Standard Flat Face Threaded drill bit from Xiamen Bestlink
(Taillant fileté Retrac/Standard)
Thread drill bits are made by high quality alloy steel bar and tungsten carbides.
Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks.
In addition, 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)Bit body type: Standard/Retrac
(2)Bit body : normal type and retrac type(3)R thread: R22 R25 R28 R32 R38(4)T thread: T38 T45 T51 ST58 GT60
(5)Bit diameter: 32-127mm.
(6)Drill bit models: cross bit/button bit
(7)Button bit shape: spherical/parabolic
(8)Bit face shape: flat face and drop centre
Tapered chisel bits and cross bit: reasonable selection of steel and tungsten carbide which perfectly bonded by high-frequency welding.
Tapered button bits: Cold forging process and excellent heat treatment exactly combined with the cold inlaying technique.
Thread cross and button bits: Correct selection of material and hot mounting process.
DTH bits: Perfect combination of material selection, heat treatment, and cold inlaying process.
DTH hammer: Perfect combination of accurate gas distribution, impeccable processing process, selection of material and heat treatment.