- 10 pcs of masonry drill bits with the following tip diameters: 1/8, 5/32, 3/16, 1/4 (*4), 5/16, 3/8 and 1/2.
Improved Efficiency: High quality tungsten steel alloy head features reduced resistance and better precision and is more wear resistant.
Long longevity: nickel and chrome plated surface, anti-rust process and high hardness.
1/4 Inch Anti-slip Hex shank: suitable for Lithium electric drill, hand drill and bench drill.
Applications: glass, tile, wood, ceramic, brick, etc. When drilling hard material (vitrified brick, ceramic tile, granite), please add water for cooling.