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Product Description
SC70K-QL DTH hammer is SOLLROC K series hammer ( high penetration series) specialized in mine blast hole drilling. It is proven by test and use in many sites. It is excellent penetration, smooth operating and longevity performance especailly for blasting hole in bench drilling.
1. Valveless air distribution ensures smooth working.
2. Piston design and harden wear part ensure strong wear-resistance
3, Minimize the energy loss, high penetration, lower air and oil consumption.
4, Fewer internal parts minimize the maintain and replace the part requirements.
Model | SC70K-QL |
Bit shank | QL60 without footvalve |
Top sub thread | API 3 1/2" REG / 4 1/2" REG |
Length (less bit) | 1191mm (46.9 in) |
External diameter | 165mm (6.5 in) |
Weight (less bit) | 132kg (291lbs) |
Impact rate at 17 bar | 25HZ |
Hole range | 178mm-203mm (7 in - 8 in) |
Working pressure | 10-25 bar (145 - 363 PSI) |
Speed recommended | 20-45 rpm |
Pull force recommended | 14 KN |
Dia. | Button configuration Qty*dia. | Bit design | Weight(kg) | Part number | ||
Metric | Inch | Guage button | Front button | |||
178mm | 7" | Ф18mm*8 | Ф16mm*6,Ф16mm*4 | Flat face | 25.4 | SC70K-QL-178CC |
185mm | 7 1/4" | Ф18mm*9 | Ф16mm*6,Ф16mm*4 | Convex face | 26.0 | SC70K-QL-185CC |
190mm | 7 1/2" | Ф18mm*10 | Ф16mm*8,Ф16mm*5 | Concave face | 26.9 | SC70K-QL-190CC |
195mm | 7 3/4" | Ф18mm*10 | Ф16mm*8,Ф16mm*5 | Concave face | 27.5 | SC70K-QL-195CC |
200mm | 7 7/8" | Ф18mm*10 | Ф16mm*8,Ф16mm*5 | Concave face | 28.2 | SC70K-QL-200CC |
203mm | 8" | Ф18mm*10 | Ф16mm*8,Ф16mm*5 | Concave face | 28.7 | SC70K-QL-203CC |
