Shop › CMART A3104 CERAMIC / GLASS DRILLS FOR CERAMIC. GLASS WOOD 8MM/5/16 INCH Image 1 of 1 CMART A3104 CERAMIC / GLASS DRILLS FOR CERAMIC. GLASS WOOD 8MM/5/16 INCH ₱49.00 Upgrade your toolkit with the CMART A3104 Ceramic/Glass Drill! This versatile 8MM (5/16 inch) drill bit is engineered for precision and durability making it perfect for ceramic glass and wood. Achieve clean accurate holes every time. Shop now to experience superior drilling performance! Purchase Added! Upgrade your toolkit with the CMART A3104 Ceramic/Glass Drill! This versatile 8MM (5/16 inch) drill bit is engineered for precision and durability making it perfect for ceramic glass and wood. Achieve clean accurate holes every time. Shop now to experience superior drilling performance!