Description of HSS Titanium Coated Step Drill Bits Set (3 Pcs Hex Shank) - 4/12/20/32Mm For DIY Woodworking Tool
A necessity for family or handyman or professionals. Perfect for home repairs and light jobs such as drilling holes in aluminum, copper, Wood, PVC sheet, Insulation Boards, and many other types of sheet metal. Titanium Nitride Coating for Cooler Running, can effectively extend the service life of the drill. Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy,PVC. Suitable for hand-held drilling rigs, drilling machines, milling machines, and machining centers, for metal sheet, maintenance, and modification, bridge doors, and windows, home appliances, etc. The step drill bit is durable and strong enough to punch and drill clean holes in materials like metal, wood, etc. It can also help to enlarge existing holes and clean edges.