The brush-less motor is 40% more energy efficient than the brush motor, with higher operating efficiency and longer service life
Cylinder bore diameter φ21. The larger the cylinder, the greater the impact force and the higher the drilling efficiency
Standard configuration
2 battery and 1 charger, using 2.0 Ah high-grade battery pack, charging time 45 minutes;
Punching 300# international standard concrete, 6*50 (6mm drill  punch  50mm depth) single battery pack punching number 140 or so, 8*50 punching number 120 or so, 10*70 punching number 80 or so, 12*70 punching number 70 
Large drill bit (12-16 mm) has more advantages in punching efficiency. The average time required for a 16 mm drill punching 100 mm depth is 29 seconds
Cellular battery pack fixed structure, strong anti-fall.Single-cell battery with independent protection, with better over voltage, over current, over temperature, short circuit protection, over charge and discharge protection function, the using process is more safe
Hammer drill, flat drill and hammer three functions, using SDS to quickly change the chuck
With mechanical safety clutch, automatic release if hitting the steel bar
Cartridge head shell, good sealing, built-in aluminum alloy bracket, long-term use without deformation and oil leakage, mechanical parts equipped with light hammer, more convenient after-sales maintenance
Exclusive patent appearance
6 month warranty