DTH Drilling Hammer 4'' Shank HD45 for Mining, Quarry and Rock Drilling
Product Advantages:
1. The check valve can be replaced to the one with bigger ail controlling hole to provide more efficient cuttings discharge.
2. The top sub and the drive chuck have special thread, which can achieve an easier disassemble
3. Using the latest rock drilling theory, optimizing the inside structure and the size of the air distribution, to make the DTH Hammer obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.
Product description
Sollroc drilling hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.sollroc drilling makes and supplies the finest and most efficient Down-the-Hole (DTH) hammers and bits for the mining, construction and water well industries.
DTH Hammer specification:
HD45 hammer
| shank | HD45 |
| Length(less bit) | 1030mm |
| External diameter | 99mm (optional) |
| Top sub thread | API 2 3/8”REG |
| Weight(less bit) | 39kg |
| Hole range | 110mm-135mm |
| Working pressure | 1.0-2. 5Mpa(145-362.5psi) |
| Impact rate at 1.7Mpa | 27Hz |
| Recommended rotation speed | 25-40rpm |
Face shape Features
Concave face is suitable for all-round rock formation, especially for medium hard and homogeneous rock formations,excellent control over hole deviation.
Convex face is suitable for medium hard rock formation.Non abrasive rock formations. High peneration rate.
Flat face is suitable for hard and abrasive rock formation.High peneration rates and resistance to steel wash.
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Shank HD45 DTH Drilling Hammer 4'' For Mining Quarry And Rock Drilling Images
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