Mengshen Forstner 6-60mm Step Drill Bits Spiral Groove 12 Steps Sizes, Large HSS Cobalt Cone Drilling Tool Hole Cutting, Enlarge, Metal Sheet, PVC Sheet Woodworking, Triangle Handle

Mengshen Step Drill Bits is made of high speed steel together with titanium coating, which lasts the bit a long using life.Features:1. High speed steel for longer service life;2. Double cutting blades design enables a faster and smoother cutting;3. The advanced double spiral flute design outperforms straight flute design and extends the life of the bit. The split point tip increases speed, and they also include laser-engraved measurements to increase step visibility.4. The sharpness ensure easily cut through most sheet metal, plastic and some other materials with ease. Specifications:Material: High speed steelSizes of the Step Drill Bits:12 Steps (6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm) Package included:1 x 6-60mm Drill Bit

• HSS & Titanium Coating - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease.
• It can automatically deburr holes while drilling to keep the drill bit clean.
• Split point tip increases speed.
• A necessity for family or handyman or professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
• Package includes: 1 x 6-60mm Spiral Groove HSS Step Drill (12 Steps: 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm)