ZRC6A-DHD360 Techinical Specifications
Length w/o bit (mm)	Weight w/o bit (Kg)	Diameter (mm)	Thread	Rec. hole size
1238	100	143	API 3 1/2 REG	152-203
Work pressure (Mpa)	Impact Frequency (Hz)	Air consumption (m©ø/min)	Rec. rotation speed (r/min)
1.0-2.5	25 at 1.7 Mpa	9-26	20-30
ZRC6A-DHD360 DTH hammer features
1£®Mainly for blasting hole above 152mm, in geothermal, water well, mining and quarry etc;
2£®Drill bit without footvalve, and thus avoid the trouble caused by footvalve crack, broken, thermal expansion and contraction etc.
3£®Low impact power consumption, fast impact frequency, 15%-20% faster in penetration speed than same model with footvalve type;
4£®Low air consumption, energy saving, saving more than 10% oil than same model with footvalve type;
5£®Simple structure, easy maintance; highly matched parts, more realiable, low faliure rate; low disamble rate, long service life, low operating cost, very steady in performance.