Bi-Metal Hole Saw Sets 3pcs 20mm 25mm 32mm M42 Holesaw Kit Circular Hex Shank Thin Wall Impact Hole Cutter Drill Bit with Arbors for Wood Metal Pvc Copper Plaster Steel Plate Drywall

Product Features

• Package Content: you will get 3pcs hole saws: 20mm, 25mm, 32mm; comes as a complete hole saw assembly, including an arbor, pilot drill, and ejector spring to meet your professional needs
• Material and Durability: the circular saw set is made of high speed steel m42 cobalt ensures improved heat resistance of teeth; the smooth black oil paint ensures excellent rust and wear resistance and extends the life of your hole saws by more than 50%
• Easy to Use: insert the pilot drill until the hole saw wears the materials surface. when the bi metal hole saw starts to cut, slowly cut it into the material without pushing. after the hole saw passes through the other side of the material, stop the drill
• Fast and Clean Cutting: the width of the saw band is only 0.6 mm, and progressive variable tooth profile which results in fast cutting and a smooth burr free finish compared to conventional hole saws. in addition, the hex shank of hole cutter drill bit fits metal and wood hole saws of all sizes from small to large diameter and can greatly improve work efficiency
• Wide Application: the new process design with ultra-sharp serrations of holesaw set, the hole saw has a cutting depth of 25 mm. ideal for softwood, aluminum, plastic board, plasterboard, thin pvc board, composite materials, etc(if you need very precise holes, please use a saw machine. it is suitable for materials with a hardness lower than 50 degrees)