HUNAN GOLDEN GLOBE I AND E OED CO.,LTD.
O.E.D main products including: Taper drill tools Thread drill tools Rotary drill tools Blast furnace frill tools DTH drill tools Coal mining tools
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Integral Drill Steel-L800 D34 Shank size 82.5 mm*22mm Rock Drilling Tools
Integral drill rod’s shank sizes 82.5 mm*22mm(3 1/4”*7/8”)
Effective length:800mm
Advantage:
1. Thermally wound shank for high abrasion resistance and longer lifespan
2. Internal tube (for flushing) of corrosion-proof and indestructible steel
3. Internal tube (for flushing) painted with special oil for corrosion and abrasion protection
4. Steel have two grades:Normal material 95CrMo and Super material 40SiMnCrNiMo
5. High precision, special bronze-brazing treatment.
Other Specifications:
Integral drill rod’s shank sizes
82.5 mm*22mm(3 1/4”*7/8”),
108mm*22mm(4 1/4”*7/8”), 108mm*25mm(4 1/4”*1”),
159,*25mm(6 1/4”*1).
Lengths: 400mm to 6400mm(1’4”-21’).
Head diameters: 27mm to 40mm.
It can reduce the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 30mm to 41mm usually. Each rods use premium quality alloy steel and excellent quality tungsten carbide to assure.