Size: 16mm/0.62" , 18.5mm/0.72" , 20mm/0.78" , 25mm/0.98" , 30mm/1.18"
High-speed steel and stainless steel hole saw drill hole saw, sheet metal reamer.
Through a special heat treatment, sharp edge, high strength.
High precision, smooth cutting, especially impact resistance, wear resistance.
Openings for stainless steel, iron, aluminum, and various types of pipes.