LAVIE 9pcs Electric Hammer SDS Plus Drill Bits Set 110mm Concrete Wall Brick Block Masonry Hole Saw Drilling 4mm 5mm 6mm DB01017 Specification: Material: 40Cr and original YG8C Shank: SDS PLUS Flute: double flutes S4 Tip: Flat tip 2 Cutter Drill body hardness: HRC45 to HRC48 Carbide Hardness: HRC89.5-90.5 Diameter: 4/5/5.5/6/6.5/7/8/10/12mm Length: 110mm Usage: Installed with the round handle interface hammer on concrete, stone, brick body carries out slotting operation, for building, installation of water and electricity, home decoration, modern DIY necessary tools. Packing Included: 1pc x 4/5/5.5/6/6.5/7/8/10/12X110MM Note: We have been producing drill bits, hole saws and chisels for more than 26 years till now. As to drill bits, we only adopt original carbide tip YG8C, not recycle one. And it is much strong. Besides, 40CR is much better than normal material 45# steel. For example, 6X160mm, we can drill more than 150 holes. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you

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