For a clean exit hole, secure material on the exit hole face, securely. The spike in the middle of the drill will help you locate the correct position for the centre of the hole. Be mindful of the speed of the chuck and how it effects the cut.
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Original Worx WA1149 Drill Bits Set with Phillips Hexagon Torx Extend Rod Twist Sleeve Hole Bit
Aliexpress UK
Material:Hss 4341 Coated. 8pcs HSS Drilling Bit. nitride coating facilitates faster penetration with less effort. The 1/4 "hex shank is specially designed for cordless screwdrivers, enabling you to quickly change drill bits.
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SHDIATOOL 10pcs 6/6/8/25/35/50/68mm Diamond Drill Bits+10mm Milling Bits+50mm Diamond Chamfer+Hex Adapter M14 Drilling Granite
Aliexpress UK
Specification: Hole dirll size: 6/8/10/12/14/16mm Material: Diamond Shank: 6.35mm Hexagon Shank Diamond Length: 10mm With cooling wax Application: For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic. Feature: Wax inside for cooling, Dry drilling without water.
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8pcs 3-12mm Cross Hex Tile Drill Bit for Glass Concrete Ceramic Tile Hole Opener, Tungsten Carbide Hard Alloy Bits Set
Aliexpress UK
Specifications: T7, T8, T9, T10, T15, T20, T20, T25, T25, T27, T30, T35, T40. Length: 25mm and 50mm (25mm length is middle hole torx type, 50mm length is torx type). This torx bit set is made of high quality alloy steel material, which has a solid quenched and tempered structure.
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49 Mini Pieces Precision Pin Vise Hobby Drill with Model Twist Hand Drill Bits Set for DIY Drilling Tool Woodworking Accessories
Aliexpress UK
HEXAGONAL --- The Shanks Are Hexagonal That Can Be Gripped Tightly, So It Won’t Slip out Easily. Can Be Used with Hand Drill, Bench Drill. Drill Bits 3 PCS Diamond Hole Saw Set 6mm 8mm 10mm Hexagonal Dry Drill Bits with Wax Insert for Glass Ceramic Tile Porcelain Marble Granite.
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49Pcs Precision Pin Vise Hobby Drill with Model Twist Hand Drill Bits Set High Speed Hole Opening DIY Drilling Tool Dropshipping
Aliexpress UK
Tapping and chamfering, easy to operate, hand drill, used for table drills, hexagonal chuck tapping machines available for selection. Hexagonal handle composite tap, three in one, punching tapping deburring in a go.
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New Model Diameter Single Blade/Double Blade 40mm,60mm,80mm,80CM Long Earth Drill,Auger Drill Bits, for Ground Hole digger
Aliexpress UK
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Diamond Coated Drill Bits Set 18-150MM Ceramic Tile Hole Saw with position drill for Glass Marble Granite Stone Porcelain
Aliexpress UK
12 Pcs Deep Socket Set 6-19mm Hexagon Nut Setter Driver Drill Bits Set, 1/4 hex Shank, Long Reach Impact Driver Nut Runners Bolt Extractor Sockets Power Tool, Quick Change. You have no issues with twisted and snapped problem with imatenn bits.
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1pc 6.35mm British system woodwork square hole drill DIY woodwork square hole tenon machine drill bit electric tool accessories
Aliexpress UK