*It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness.
*Full-grinding and anti-rust treatment, clean and sharp without burrs .The drill bit is more wear-resistant and more durable .
*Fully automated polishing: Polished CNC is fully automated, each one is unified.
*Small incision resistance，feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily.
*Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. Remember to add Water or coolant when drilling.
*5 different sizes, suitable for your different needs.It Can be installed in the general electric hand drill, bench drill.
*Material: Cemented Carbide
*Color: As picture show
*Size: 3*70mm, 4*70mm, 5*76mm, 6*77mm, 8*80mm (Approx.)
5*Universal Drilling Tool
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