8pcs Titanium Masonry Drill Bit Set 3mm to 12mm Concrete Drill Bit W Hex Shank M8x32mmx100mm well fastening function and long-lasting

well fastening function and long-lasting service than other material

50-300 Celsius Degree

Thread Length: 3/8"(9

Thread Size: 1/4NPT Male(Approx OD 13

Package: 6pcs x Aluminum Oxide Sanding Belts

8pcs Titanium Masonry Drill Bit Set 3mm to 12mm Concrete Drill Bit W Hex Shank M8x32mmx100mm well fastening function and long-lasting1. Made of quality carbide YG6X, the rust resistant treatment and reinforced head prevent the drill from cracking and provide longer service life. The oxygen nitriding treatment of the bit head improves the hardness of the bit 2. Concrete Drill Bits are designed with a U shaped chip discharge groove. This design ensures that all drill dust and chips are collected and released from the drill bit. 3. This 1 4 inch hex shank drill bits can be used on