Tool Kits By HIGHDRIL

• Specification Shank: Hex shank, Chamfer Angle: 56 degree, Chamfer Diameter: 4/5\"(20mm), Diamond Grit: #80, Total length: 50mm, Working Depth: 20mm.
• Vacuum brazed Using high-quality steel, combined with advanced vacuum brazing technology, the drill bit is sharp and durable, with a long service life.
• Multi-functional Designed to enlarge/trim/shape/round holes and chamfer existing holes. Can also easily create round indentations to fit pipe or wire lines.
• Save your money A standard drill bit plus this versatile cutter, you can make many different hole sizes (0-20mm) without having to buy several different drill bits
• Easy to use Dry and wet use; Hex shank, suitable for Electric Hand Drill and Bench Drill, easy to operate. Recommended speed 2000-5000RPM;

• Multi Function in One The multi-functional positioner integrating measurement and hole positioning, can arbitrarily change the length and shape of the ruler, which is an ideal choice for DIY enthusiasts, saving time and effort.
• Double Scale The ruler provides metric and imperial double scale measurement.
• Different Apertures The total length of the folding ruler is 104 cm, which can be adapted to a variety of drill bits with hole diameter of 25/40/45/55/75mm.
• High-quality materials All-metal knob, aluminum alloy folding ruler, no rust, not easy to wear, engineering-grade plastic positioning hole, flexible and portable, strong and durable.
• Set combination Comes with boxed drill bits, using some commonly used bit sizes. Recommended speed 2000-5000RPM.

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