Glass Drill Bits Hex Drill Bit For Ceramics Feature:1. Low-Neck Resistance: With high strength and wear resistance, deep neckline resistance, and increasing opening speed2. 1/4in Hex Chuck: 1/4in Hex Chuck can be installed in electric drills and electric drills, and can be quickly released3. Application: the drill bit is widely suitable for ceramic, granite, ceramic tile, stone, wood, plastic, concrete wall4. Smoother drilling: This is a cross drill bit that can drill faster and smoother, saving time and energy5. Fine Function: it is a cross drill bit which has excellent function, no burr and gives you a wonderful experienceSpecification:Item Type: Hex Drill BitMaterial: CarbideBlade Diameter: Approx. 5mm/0.20inch, 6mm/0.24inch, 8mm/0.31inch, 10mm/0.40inch, 12mm/0.47inShank Diameter: 1/4in Hex Shank Shank Application: Holes for Glass, Concrete, Cement Wall, etc. Packing List: 5 x Drill Bits 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.