10pcs Titanium Masonry Drill Bit 5mm Concrete Drill Bit with Hex Shank Sleeve Bearings aluminum toolboxes

aluminum toolboxes

Surface Treatment: Galvanized

Lead End: 3 Terminal (12Pins)

Dynamic Load Rating (Cr): 31500N

10pcs Titanium Masonry Drill Bit 5mm Concrete Drill Bit with Hex Shank Sleeve Bearings aluminum toolboxes1. 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