Drill bits length includes 110mm, 160mm, 210mm, 250mm, 260mm, 450mm
The Rotary Hammer Drill Bits are made of 40Cr carbon steel with the quenching process, sharp and durable.
SDS Plus shank design fit for most electric rotary hammers in market, such as Bosch, Hilti, Makita, Milwaukee, Dewalt drills
20pcs Complete size drill bit set is widely used for drilling holes on brick, concrete, stone and other hard materials in home maintenance and construction engineering.