Shandong China Coal Industry&Mining Supplies Group
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1.Increased penetration rate
2.Longer service life
3.Lower cost
4.Excellent cemented carbide
Chisel bits are widely used in drilling holes with a depth size less than 5 meters and diameter scope in 20-45mm by light-duty hand hold drills,major use in natural dimensional stone quarry for small hole drilling,block ’s trimming and 2nd splitting
for small blocks.To match Hexagonal 22mm and Hexagonal 12 mm”s tapered drill steel with 4,6,7,11,12 degree,All tapered chisel
bit 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.
Bit diameter(mm) | Buttons(mm) | Taper | Water Hole |
30 | 10*15 | 7° | 2 |
32 | 10*15 | 7° | 2 |
34 | 10*15 | 7° | 2 |
36 | 10*15 | 7° | 2 |
38 | 10*15 | 7° | 2 |
40 | 10*15 | 7° | 2 |
42 | 10*17 | 7° | 2 |