10 pcs Orange Ultimate Drill Bit Multi-function Twist Triangle Drill Bit Tungsten Carbide Drill Bit for Concrete, Glass, Wood and Plastic (5/32 ", 3/16 ", 1/4", 5/16 ", 3/8", 1/2 ")

multi-functional twist triangle drill bit, which can be installed on hand drill, electric drill and bench drill. It is made of cemented carbide, with reinforced cutter head to prevent the drill from cracking and prolong its service life

• Size:the 10 pcs ultimate drill set includes: 1 pcs-5/32 ",1 pcs-3/16", 4 pcs-1/4 ",1 pcs-5/16", 2 pcs-3/8 "and 1 pcs-1/2"
• Material: made of cemented carbide, with reinforced bit to prevent the drill from cracking and prolong its service life
• Usage: 10 pcs ultimate drill multi-functional twist triangle drill is suitable for concrete, glass, plastic, wood, ceramic tile, aluminum alloy and so on
• Anti-skid function: triangular handle design can prevent skidding and firmly fix the drill bit, and can be installed on hand drills, electric drills and bench drills
• Tips: The drill bit is provided with a storage box, Our products are exquisite in workmanship. If you have any problems when using our products, please contact us in time and we will deal with them as soon as possible