Cheap drill bit marble, Buy Quality drill manufacturers directly from China drill bits for ceramic tile Suppliers: 100mm 3.94" Core Drill Bit Hard Alloy Metal Hole Saw Drill Bit for Steel Metal Alloy Cutter Metal Working
100mm 3.94" Core Drill Bit Hard Alloy Metal Hole Saw Drill Bit for Steel Metal Alloy Cutter Metal Working Description: Product Name: Metal Hole Saw Material: Alloy Steel Shanks Size:80mm Cutting Diameter:31~100mm Suitable for cutting material: Aluminum Doors & Windows W ater Pump Drilling machines S ainless steel plate steel castings, aluminum alloy and other metal plate