3Pcs Cross Spear Head Tile Drill Bits Set Hex Shank Masonry Drill Bit for Ceramic Tile Glass Brick Concrete Drilling PowerTool

Product Description3PCS cross spear tile drill bit set includes 5mm,6mm,8mm sizes. Hex shank fits most electric drills and impact drivers. Unique cross tip delivers precise positioning, prevents wandering during drilling. Optimized spiral flute quickly removes debris. Suitable for ceramic tile, glass, brick, concrete, marble and terracotta. Durable construction ensures long service life. Perfect for home renovation, DIY installation and general masonry drilling tasks.Proper Usage Instructions for Cross Spear Tile Drill BitsMark drilling position clearly on workpiece surface. You can stick tape to avoid bit slipping.Install the drill bit firmly into your drill chuck, ensure the hex shank is fully clamped.Start drilling at low speed with light pressure, keep the drill perpendicular to the surface.Do not apply heavy force aggressively. Pause frequently to cool the bit and clear dust.Keep spraying water on the drilling spot when working on tile, glass or marble for cooling and lubrication.Avoid high-speed continuous dry drilling, excessive heat will wear or damage the cutting tip.Stop drilling immediately if abnormal vibration appears. Check the bit for wear or cracks.After use, clean dust off the drill bits and store them separately to protect the sharp cross tip.