Triangular-overlord Handle Multifunctional Drill Bits

SAVE TIME & EFFORT for your metal/wood drilling project! Ultimate Drill Bit is made of industrial-grade 6542 HSS Carbide and durable alloy to perform excellent high-speed drilling. With W-type slot design, it allows easier chip removal and reduces resistance, resulting in smoother drilling. Ideal for everyday drilling on multiple materials including steel, alloy, tile, concrete, brick, glass, plastic, wood and more. FEATURES: Premium material6542 HSS Carbide and durable alloy with reinforced head prevent bit cracking and provide longer life. Wide usageStrong carbide tip with spear pointed design can easily drill through various materials like tile, concrete, brick, glass, plastic, wood, etc. Easy chip removalW-type slot design provides low resistance, resulting in faster & smoother drilling and easier chip removal. Anti-slip shrankTriangular shank allows drill bits to be held tightly and prevents slip. 4 Different sizes10 x 6mm(1/4"), 10 x 8mm(5/16"), 5 x 10mm(3/8"), 5 x 12mm(1/2"). UniversalCan be installed in any standard electric drills. SPECIFICATION Material: Hard Alloy  Tool Holder Type: Triangle Handle  Cooling Type: Outer Cold  Blade Top Corner: 135°  Category: Hole expansion drill  PACKAGE INCLUDED 1 set of Multifunctional Drill Bits (2 * 6mm, 1 * 8mm, 1 * 10mm, 1 * 12mm) 5 pcs * Multifunctional Drill Bits