SC40K-DHD DTH Hammer No Footvalve Type
Product Description
SC40K-DHD DTH hammer is SOLLROC K series hammer ( high penetration series) specialized in mine blast hole drilling. It is widely used for blasting hole drilling for mines due to its high penetration.
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 | SC40K-DHD |
Bit shank | DHD340A without footvalve |
Top sub thread | API 2 3/8" REG |
Length (less bit) | 927mm (36.5 in) |
External diameter | 100mm (3.94 in) |
Weight (less bit) | 37.4kg (83 lbs) |
Impact rate at 17 bar | 35HZ |
Hole range | 110mm-130mm (4.4 in -5.12 in) |
Working pressure | 10-25 bar (145 - 363 PSI ) |
Speed recommended | 30-70 rpm |
Pull force recommended | 7.0 KN |
Diameter | Button configuration Qty x dia. | Face type | Weight (kg) | Part number | ||
Metric | Inch | Gauge button | Front button | |||
115mm | 4 1/2" | Ф14mm*7 | Ф14mm*2,Ф14mm*4 | Convex face | 8.2 | SC40K-DHD-115CV |
115mm | 4 1/2" | Ф16mm*7 | Ф14mm*2,Ф14mm*4 | Convex face | 8.2 | SC40K-DHD-115CV |
115mm | 4 1/2" | Ф14mm*8 | Ф14mm*2,Ф14mm*4 | Convex face | 8.2 | SC40K-DHD-115CV |
125mm | 4 15/16" | Ф14mm*8 | Ф13mm*3,Ф14mm*4 | Convex face | 8.8 | SC40K-DHD-125CV |
127mm | 5" | Ф14mm*8 | Ф13mm*7 | Flat face | 8.9 | SC40K-DHD-127FF |
130mm | 5 1/8" | Ф14mm*8 | Ф14mm*7 | Flat face | 9.1 | SC40K-DHD-130FF |