Miller Hole Saw(2-3/4 - 70mm)
This hole saw has a twist drill bit inside, with the sharp carbide teeth it's perfect for fast cuttingof clean round holes The gears is made from carbide steel and designed in a sharp and solid way,in order to make the product more stabilized and service long with lower consumption. It suitable for hand held electric drill,stand motor driven drilling machine and mobile ribbon type magnetism drilling machine. Cutting quick and precise holes in stainless steel, mild steel, iron, copper, brass and wood.
Recommended Operating Speeds (RPM) For Bi-metal Hole Saws
Holse saw inches: 2-1/2, 2-5/8, 2-3/4, 2-7/8, 3
Diameter mm: 64, 67, 70, 73, 76
Mild Steel: 64, 67, 70, 73, 76
Tool S.S.: 65, 65, 60, 60, 55
Cast iron: 85, 85, 80, 75, 70
Brass: 180, 170, 160, 160, 150
Aluminum: 205, 195, 185, 180, 170
