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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S1-32-722-67 Tapered Cross Bit Small Rock Drill Bits Hole Drilling
Tapered Cross Bit S1-32-722-67 specification:
Diameter: 32mm
Length: 67mm
Tapered Degree: 7°
Carbide Dimension: 12mm*8mm
Water Holes: 1 on front, 2 on side
Advantages:
1.Premium designs and steel and premium tungsten carbide(carbide code No. YK05 supplied by ZCC factory) , Offers industry-leading strength and penetration rates for more productivity.
2.Excellent straightness and hole clean quality ,Get max . drilling performance.
Tapered cross bit suitable for mining of black metal mines(such as iron mine, manganese etc), nonferrous metal mine(such as gold, silver, copper etc), marble and granite etc. Its drilling depth usually is 15m-18m in case of hardness grade F8-14.
Rock Hardness Classification
| Gabbro | —– | ||||||||
| Gniess | —— | ||||||||
| Granite | —— | ||||||||
| Limestone | —— | ||||||||
| Marble | —— | ||||||||
| Quartzite | —— | ||||||||
| Sandstone | —— | ||||||||
| Slate | —— | ||||||||
| Shale | —— | ||||||||
| Taconite | |||||||||
| Mpa | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | |
| Grade | soft | Medium | Hard to Very | ||||||
All tapered cross bits are made with high quality of raw material through special heat treatment, The deliver capacity are very strong and can completely meet customer’s requirements on delivery design.