Item Type: Masonry Drill Bits <br>Material: Cemented Carbide <br>Product Specifications: <br>2Pcs 5mm Drill Bits <br>4Pcs 6mm Drill Bits <br>2Pcs 8mm Drill Bits <br>1Pc 10mm Drill Bit <br>1Pc 12mm Drill Bit<br>1、10PCS IN 1 SET: Including 10pcs screw cross masonry drill bits, with 5 different sizes, suitable for different drilling situations. <br>2、CEMENTED CARBIDE: Made of excellent carbide material, with rustproof treatment and reinforced head to prevent the drill from cracking. <br>3、CROSS DESIGN: Feature a precise and unique cross angle design on the ground spear tip that reduces skating and walking, greatly improving work efficiency. <br>4、APPLICABLE MATERIAL: Suitable for glass, ceramics, tiles, mirrors, flower pots, wood, porcelain, brick wall, marble, thin iron plates, etc. <br>5、HEX SHANK: These masonry twist drill bits have standard hex shank for easy mounting on hand tools and will not come off easily.1. There may be some errors in size <br>2. Please try to keep the drill bit vertical and use cooling water to keep the drill bit cool <br>3. Do not use on hard tiles10 x Masonry Drill Bits