Mgtgbao Concrete Drill Bit Set, 6pcs Masonry Drill Bits Set Carbide Tip for Glass, Brick, Tile, Concrete, Plastic and Wood with Size 3/16” (5mm),1/4” (6mm), 5/16” (8mm),3/8” (10mm), 1/2” (12mm).

About this item

• ❶NEW DESIGN: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling. 6pcs drill bit set with 5 different sizes: that is 3/16” (5mm),1/4” (6mm), 5/16” (8mm) ,3/8” (10mm), 1/2” (12mm) fit your different needs.
• ❷EXQUISITE CRAFTSMANSHIP: The surface of the drill bit is treated by fine polishing, and the new electroplating process can prevent the drill bit from rusting and prolong the life of the drill bit.
• ❸HIGH-QUALITY HARD ALLOY: The cutter head is made of cemented carbide. Hardness up to 45HRC, Triangular cutter head resistance is smaller. And it can improve work efficiency, higher hardness than ordinary drill bit, more wear-resistant.
• ❹NON-SLIP 1/4 HEX SHANK: 1/4 hex shank which makes the electric drill more tight and not easy to slip Making it safer to use
• ❺WIDELY USED: It can be used for drilling walls, bricks, wood, glass, tiles, stainless steel, concrete, etc. Remember to add Water or coolant when drilling.

Specifications