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HAMMER BITS

 

Hammer Bits is a new-generation product innovated and improved for the demands of different industrial and mining conditions. It is a high-quality and high efficiency rock breaking tool, specially suitable for boring on hard rock and extremely-hand rock. Main products covering from 4" to 12" series, suitable for boring and rock breaking works, such as mine exploration, mineral prospecting, hydroeletric power construction, highway and bridge base pile holes and the like.

mining, drilling, raise boring, bits

Parameters:   

The hole diameter (mm) Φ105-Φ133 Φ140-152 Φ152-Φ190 Φ203-Φ305 Φ305-Φ406
Outside diameter (mm) 94 122 136 180 275
Total Length (mm) 1140 1340 1450 1600 1190
Total weight (kg)  48 69 105 175 610
Speed (RPM) 45-60 40-55 35-50 30-45 15-30
Torque range (kgm) 110-170 180-260 240-360 370-560 750-1800
Axial pressure (kg) 600-900 900-1200 1300-1500 1600-1800 2400-2600
Pressure (kg/cm2) 7-24.5 7-24.5 7-24.5 7-24.5 7-14
Frequency (times/minutes) 1560-2060 1400-1850 1320-1750 1360-1810 1200-1500
Impact energy (kgm) 17.4-30.4 37.2-65.1 47-82.2 89.1-156 105-210
Air Consumption (m3/min) 7.6-13 7-22.6 10-6 11.5-35 16-42
Pure perforation speed (m/h) 16-42 20-44 18-38 16-34 6-20
Drill pipe threaded connection API (inside) 2-3/8 API 2-3/8 API 3-1/2 API 4-1/2 API 6-5/8

  


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Hi-tech Development Zone, Xi'an China
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