Product Description Material: tungsten steel alloy Size: 6mm, 8mm, 10mm, 12mm Quantity: 5pcs Package content: 5* triangular twist drill 1.【Wide usage】: This tile drill bit set can help you drill holes, not only wood, plastic, glazed brick, antique brick, concrete, ceramic, tile, hard plastic, cement, bubble brick, red brick. Hard plastic, cement, etc. Please cool with water and control the drilling speed. 2.【Tile drill glass drill set】:The drill bit is made of hard and durable alloy, and the hardness is higher than that of ordinary drill bit. Strong strength and wear resistance, and longer service life. This ceramic tile drill bit can easily penetrate various materials. 3.【drill size】: Set of 5 triangular shank drill bits: 2 x 6 mm (1/4 “), 1 x 8 mm (5/16”), 1 x 10 mm (3/8 “), 1 x 12 mm (1/2” ), 1 x Transparent Plastic Box to meet different needs. High quality product !! The professional quality tungsten carbide tip is designed to penetrate the toughest material quickly. 4.【
