1 pc Carbide Tip TCT Drill Bit Hole Saw 15-100mm Drill Bit Set Hole Saw Cutter For Stainless Steel Metal Alloy Drilling

Description: Product Name: Metal Hole Saw Material:Alloy Steel Shanks Size:80mm Cutting Diameter:31~100mm Suitable for cutting material:Aluminum Doors & Windows Water Pump Drilling machines Sainless steel plate steel castings, aluminum alloy and other metal plate Precautions: 1. Knife material must be fixed well, can not move, with the hole to a 90 degree angle; 2. Just started drilling slowly contact with the material being drilled, can not impact the workpiece, at the same time for low speed (the larger the lower the speed of the hole opener) 3. Do not be too hard up and down the screw, so as not to screw the screw 4. If there is a condition, you can add coolant, when it is about to drill through, pay attention to slow down into the speed, if abnormal or when poor chip removal, please stop working, the iron work clean up Меры