Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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DHD360 Black DTH Hammer for Water Well Drilling and Hard Rock Drilling
Product Advantages:
1. Superior materials, advanced process,guaranteed quality.
2. Faster drillinq rate.
3. The check valve can be replaced to replaced to the one with bigger air controlling hole to provide more efficient cutting discharge
Product description:
Sollroc drilling DTH hammers are used for blast hole drilling and blasting, mainly applied in Mining, Marble quarry or well drilling and other construction projects.They are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life.
DTH Hammer specification:
DHD360 hammer
| shank | DHD360 |
| Length(less bit) | 1248mm |
| External diameter | 148mm |
| Top sub thread | API 3 1/2”REG |
| Weight(less bit) | 100kg |
| Hole range | 155mm-190mm |
| Working pressure | 1.0-2. 5Mpa(145-362.5psi) |
| Impact rate at 1.7Mpa | 23Hz |
| Recommended rotation speed | 20-30rpm |
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.