8pcs High Quality Drills Bit Hole Saw Cutter with Sharp Cutting Edge High Hard Positioning Hole Saw for Stainless Steel Metal Drilling Alloy Hole Saw Set

Features: Fast and precise cuts The increased hardness of the carbide technology and optimized tooth geometry allow our hole saw to provide superior service life and fast cutting in the most demanding operations. This hole cutter can precisely cut smooth holes due to the excellent control of the concentricity rate. Effortless operate The carbide hard metal cutting hole cutter has a chip groove and deploying hole design which can effectively remove chips and increase operating speed. Replaceable pilot drill bit are available. Safe and durable design Metal plate hole saw cutter uses variable teeth technology with 3 distinct cutting edge to balance the cutting and make the blades more durable and heat resistant. Efficient three-blade design The serration of the cutter body adopts a three-blade design including an outer blade a middle blade and an inner blade. Uniform force not easy to break smooth punching without burrs. Compared with single-edged serrations the cutting sound is lower. Various application Cutting depth of 1-inch makes this stainless steel hole cutter easy to pass through a variety of home decoration and industrial applications including thick metal stainless steel iron pipes high alloy steel and sheet metal plate. Compatibility Can be installed on rotating machinery such as hand-held electric drills bench drills electromagnetic drills pneumatic drills etc. Specifications: Type: Hole cutter Material: Alloy steel Item Color: Silver Cutter Size: 16/18/20/22/25/30/35/40mm(0.63/0.71/0.79/0.86/0.98/1.18/1.38/1.57inch) Package Size: 10*10*10cm/3.93*3.93*3.93inch(L*W*H) Weight: 1200g/42.33oz