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10pc 5/16”Ceramic Tile Drill Bit,8MM Masonry Drill Bits Concrete Drill Bit Set for Tile,Brick, Plastic and Wood,Tungsten Carbide Tip Best for Wall Mirror. - size: 5/16 in
$32.38
About this item
- ➊HIGH-QUALITY MATERIALS:It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness.
- ➋SURFACE ELECTROPHORETIC PAINT PROCESS: 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.
- ➌UNIQUE CROSS ANGLE DESIGN :Small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily.
- ➍WIDE USAGE: 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.
- ➎10 pieces concrete drill bit with 8MM (5/16” ) SIZES: 10pieces fine grade high durable 8MM drill bits . It Can be installed in the general electric hand drill, bench drill. The machine drill clamp range is 10mm and above.
Overview
- Material: Tungsten Carbide
- Cutting Diameter: 8 millimeters
- Finish Type: Polished
- Shank Type: hex
- Cutting Angle String: 118 degrees