TCT Hole Saw Kit 20mm Tungsten Carbide Hole Saw Hole Cutter Drill Bits

Features: Multi function Designed to install on the hand-held electric drills bench drills electromagnetic drills pneumatic drills and other rotating machinery to saw hole on the metal material. High performance The drill bit is sharp enough to drill a new hole with minimal effort without chips or breakout energy-saving and time-saving. Be attention to keep the drill running smoothly at a low speed or pre-drill the center hole to extend the life of the cutter. Please add coolant or water when processing stainless steel and steel metal plates above 5mm. Exquisite workmanship Designed with efficient three-blade including outer blade middle blade and inner blade. Provide uniform force and smooth punching without burrs uneasy to break with low-noise working. Premium material Made of superior M35 high-speed steel with plated titanium material the center drill is sharp and wear-resistant accurate positioning high temperature resistance. Tungsten carbide cemented alloy-made cutter has been quenched at high temperature process to achieve good hardness and improve the efficiency of hole opening. Widely use Great to cut metal material within 25mm thickness accurately and quickly such as stainless steel aluminum alloy castings section steel iron copper and other hard alloys. Specifications: Type: carbide hole saw Material: HSS Item Color: silver Chip Groove Length: 2mm/0.08inch Efficient Length: 25mm/0.98inch Outer Edge Angle: 45 degree Total Length: 10cm/3.93inch Diameter: 14mm/0.55inch Weight: 100g/3.53oz