FOCSTOL Dry Drill Bits Set - 5pcs 5/6/8/10/12mm Carbide Drill Bits Set with Quick Change Hex Shank for Wood Plastic Masonry Ceramic Tile Concrete Marble

【Size】Totally 5pcs/set: diameter 5/6/8/10/12mm; total length 77/79/82.5mm; cutter head length 10/12/14/14.5mm; working depth 47/51mm; quick change hex shank; handle diameter 6.3mm
【Application】Dry drilling materials (softer materials) are wood, plastic (PVC pipe), foam tiles, antique tiles, glazed tiles, red bricks, cement, concrete (need to avoid reinforcing steel), etc; need to add water or coolant drilling materials (harder materials) are glass tiles, porcelain tiles, ceramics, marble, glass, etc
【Head Cross Design】Precise cross head design can reduce the slip and travel of the drill, which makes the drilling more stable and easy to operate; the head has spiral groove, which is easy to discharge chips. It can be used for drilling on the one hand and assisting other drills for accurate drilling and positioning on the other hand
【High Quality Material-Tungsten Carbide】The tip of the drill is welded with high-grade industrial-grade tungsten carbide, which has good abrasion resistance and can easily penetrate various materials. The drill body is made of selected high-strength steel matrix, which can effectively assist drilling and has a long service life
【Recommended Machine】Corded Drill, Cordless Drill, Benchtop Drill. Use electric hand drill: Recommended speed not less than 2000RPM; Faster the RPM, longer the drill bit's working life. When use Angle Grinder, please install angle grinder drill chuck

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