SC40-TUNNEL DTH Hammer
Product Description
SC40-TUNNEL DTH hammer is short hammer with DHD340 shank chuck. It is without footvalve and suitable for tunnel drilling. It has proven in some tunnel drilling sites.
1, This is a short hammer and very suitable for tunnel drilling.
2, Piston design and harden wear part ensure strong wear-resistance.
3, Minimize the energy loss, high penetration, lower air and oil consumption.
4, Simple design to minimize the maintain and replace the part requirements.
5, The hammer is short for tunnel drilling.
Model | SC40N-TUNNEL |
Bit shank | DHD340 |
Top sub thread | API 2 3/8" REG |
Length (less bit) | 630MM |
External diameter | 98MM |
Weight (less bit) | 23kg |
Impact rate at 17 bar | 28HZ |
Hole range | 110mm-130mm (4.4 in - 5.12 in) |
Working pressure | 10-25 bar (145 - 363 PSI ) |
Speed recommended | 20-70 rpm |
Pull force recommended | 8 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 | SC40-TUNNEL-115CV |
115mm | 4 1/2" | Ф16mm*7 | Ф14mm*2,Ф14mm*4 | Convex face | 8.2 | SC40-TUNNEL-115CV |
115mm | 4 1/2" | Ф14mm*8 | Ф14mm*2,Ф14mm*4 | Convex face | 8.2 | SC40-TUNNEL-115CV |
125mm | 4 15/16" | Ф14mm*8 | Ф13mm*3,Ф14mm*4 | Convex face | 8.8 | SC40-TUNNEL-125CV |
127mm | 5" | Ф14mm*8 | Ф13mm*7 | Flat face | 8.9 | SC40-TUNNEL-127FF |
130mm | 5 1/8" | Ф14mm*8 | Ф14mm*7 | Flat face | 9.1 | SC40-TUNNEL-130FF |