BETIMFAN 5Pcs Reusable Alloy Eccentric Drill Bit Set Versatile Assorted Size Serrated Twist Drill Bit for Glass Tile Wood Marble Stone Brick

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Alloy : Made of alloy , the structure is very strong , can be used repeatedly , and can be drilled quickly , saving you time and energy in construction or renovation projects Features : Serrated tooth drill bit , more stable punching . The unique cutting thread design delivers clean , smooth threads with precision , reducing the need for additional tools or steps Function : The eccentric drill bit ensures clean , precise holes in fragile materials such as glass , tile , wood and marble , reducing the risk of cracks or damage Multiple Sizes : The multi size kit covers a wide range of sizes and works with materials ranging from granite and quartz to tile and acrylic , ensuring you have the right drill for every task Wide Applications : Alloy eccentric drill bits are ideal for dry drilling through materials such as tiles , porcelain , bathroom tiles , marble , glass , granite , stone , brick , etc . Compatible with most common drills , it's great for DIY enthusiasts and professional craftsmen