amousa 5PCS Efficient Universal Drilling Tool Titanium Combination Drill Tap Bits Set Glass Tile And Concrete Drill Bit

5PCS Efficient Universal Drilling Tool Titanium Combination Drill Tap Bits Set Glass Tile And Concrete Drill Bit 5PCS Efficient Universal Drilling Tool Titanium Combination Drill Tap Bits Set Glass Tile and Concrete Drill Bit Multifunctional Cross Alloy Drill Bit Tip Tools About this item 【Excellence Materials】 It is made of high quality alloy material. The process of oxynitriding of the cutter head strengthen the drill hardness. 【Surface Electrophoretic Paint Process】Full-grinding and anti-rust clean and sharp without burrs. The drill bit is more wear-resistant and more durable fully automated polishing each one is unified. 【Unique Cross Design】Small incision resistance feature drilling stably fast speed not breaking the border. Opening smooth no broken edges no tremor phenomenon chip easily. 【5 Different Sizes be Usable】3mm 4mm 5mm 6mm 7mm suitable for your different needs. It can be installed in the hand drill bench drill the machine drill clamp range is 10 mm and above. 【Wide Range of Use】Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles thin iron plate mirrors and glass. Packing List 1 set Drilling Tool