EXCELLENT WORKMANSHIP : Selection of high quality alloy blade, hardened and tempered, carbon HSS steel construction. Make blade more sharp and durable. It's head adopt arc curve design, beneficial to chip removal, perforation is more efficient.
TOP QUALITY : Sharp edge, high hardness, accurate positioning, high precision, smooth cutting, impact resistance, high toughness. more smooth, less noise.
MORE SIZE : 16mm, 20mm, 22mm, 25mm, 30mm, 35mm (5/8-Inch, 3/4-Inch, 7/8-Inch, 1-Inch, 1-1/8-Inch, 1-3/8-Inch). A variety of sizes to provide a choice.
WIDELY USED : Can be used for wood products perforation, mounted spherical door shoot tip, drawer, plastic products, wood, plywood, etc.
Suitable for pistol drill, bench drill, vertical drilling machine hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine, etc.