The company is specialized in manufacturing DHT bit, DHT hammer, air-leg rock drill, product quality has reached advanced level in the industry.
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ZRC5-DHD350 Techinical Specifications
Length w/o bit
Weight w/o bit
Thread Rec. hole size
1226 75 125 API 2 3/8 REG
API 2 3/8 IF
API 3 1/2 REG
Work pressure
Impact Frequency
Air consumption
Rec. rotation speed
1.0-2.5 25 at 1.7 Mpa 9-23 25-35
ZRC5-DHD350 DTH hammer features
1Mainly for blasting hole above 135mm, in geothermal, water well, mining and quarry etc;
2Adpot more realiable air distribution method, Valvess type air distribution;
3Simple parts, more wear-resistence;
4Low air consumption, energy saving, saving more than 10% oil than same model with footvalve type;
5Simple structure, easy maintance; highly matched parts, more realiable, low faliure rate; low disamble rate, long service life, low operating cost, very steady in performance.


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Add:No.3701, Zhuangjian Road, Kuiwen Economic Development District, Weifang City, Shandong Province, China