R22 threaded rock drilling tools include R22 cross bits, R22 button
bit, R22 extension rod R22-Hex-R22, Speed rod R22-Hex22-R22, shank
adapter/shank end rod Hex22-R22, R22 coupling sleeves etc.
We are a professional productions base of series of fast moving
rock drilling tools, mining tools, DTH drill tools, construction
tools and excavating coal pick cutter tools, we can also produce
other products according to the customers requirements. We
sincerely welcome our friends of both home and abroad to come for
business talks.
About products:
1. Integral drill steels (Integral Drill Rods)
Shank H22x108mm, H19x108mm, standard hex. Bit diameters
include 20-42mm.
2. Tapered drilling tools (Tapered Drill Steel)
Including:
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 adapters - carburized and manufactured with tight
tolerances and controlled straightness.
4. DTH 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
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).
David Zhang
Liaocheng Jinquan Construction Machinery Co.,Ltd
E-mail: sales@jinquandrill.com
MSN: rockdrillingtool@hotmail.com
Skype: rockdrillingtool
Website:
R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, ST68, T60 Rock
Drilling Tools 
