Monkey King Bar 7pcs Sds Plus Chisel Bits Rotary Hammer Drill Bits 2 cutter Carbide Tipped Concrete Drill Bits Set Rotary Impact Drill Bit Carbide Tipped Masonry Drills with Storage Case

We create high cost performance, low price, good quality 40rc Cutting-edge carbide tip with strength and length for maximum masonry or concrete material for efficient and precise drilling Attention: Only suitable for rotary hammer with SDS Plus chucks. 1.Drill at a low speed to avoid fracture, Start the electric drill at speed above 500 turns (1500 turns is advised). 2.Wait until the front thin bit is half or whole into the goal, then we can speed up. 3.water lubrication must be used to follow these instructions. 4.Position the bores according to the product. Drill ? 6 bores respectively with impact driller, after the center line for bolt bore is drawn in the appropriate position on the wall. Package Contents: Seven kinds of size for use. - 7x Drill Bits - 1x Case