ITEM NAME:Drill Bit Set 7 Pieces, Triple-Cornered Alloy Twist Drill Bit for Porcelain H8N8 Drill Bit Set 7 Pieces, Triple-Cornered Alloy Twist Drill Bit for Porcelain H8N8 PREMIUM MATERIAL DRILL BITS - The drill bit is made of hard and durable alloy, and the hardness is higher than that of the ordinary drill bit. Strong strength and wear resistance and provides a longer life. When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication. WIDELY USAGE - Drill bits set is perfect for drilling in all kinds of materials inlcuding ceramic tile, concrete, tile, brick, wood, plastic, glass, masonry, and more. Note: When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication. FEATURES - The drill bits openings are neat, smooth, and free of smashed edges will not cause tremors easy positioning can increased opening speed; U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill. Specification: Material: Car
