Yanggu Yishan Drilling Tools Co.,Ltd
button bit, rock drill bit, drill bit, rock drilling tool, retrac button bit, Manufacturer and Supplier - China
cross type drill bit (S138-722)
1.cross type drill bit
2.ore mining and many type
3.good price and high quality
4.export many countries
5. professional manufacturer
1. Integral drill steels (Integral Drill Rods)
Shank H22x108mm, H19x108mm, standard hex. Bit diameters include 20-42mm.
2. Tapered drilling tools (Tapered Drill Steel)
Shank H22x 108mm, (6, 7, 11, 12 degree taper) taper rods in most lengths.
A comprehensive range of button bits, cross bits and chisel bits with (6, 7, 11, 12 degree taper).
Bit diameter: 28mm-57mm.
3. Extension drilling tools
Button bit, face design: Flat face, drop centre, Normal and Retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, bit diameter: 45mm-127mm);
Couplings sleeves- manufactured with a middle stop to prevent walking along the thread. Include couplings sleeve (threaded R22, R25, R28, R32, R38, T38, T45, T51)
Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.
4. Down the hole hammers and DTH bits (Down The Hole Drilling)
Offer IR hammer, DHD3.5, DHD340a, DHD360, DHD380, and low pressure hammers CIR65a, CIR90, CIR110, CIR150, CIR170 etc. DTH bits: 60mm-254mm bits with flat face, concave design fit for the atlas copco and ingersoll-rand model etc.
5. Excavate coal cutter bits
Include all kinds of round cutter bit and flat cutter bits for excavate coal machine as the replacements of kennametal. Such as U76, U82, U84, U85, U92, U94, U95, U118 and coal bolting bit and coal bolting rod.
6. All kinds of casing bits for shield machine and construction tools.
7. Round road planning bit for road milling machine and trenching machine. Shank diameter=19.4mm, 25mm, 30mm, 33mm, 38mm, etc.
8. Blast furnace tap hole drill tools. (Rod, Cross bits, button bits and X type bits etc).