Gotrays - Grooved Step Drill Bit [10-45mm] - High Speed Steel,Triangular Shank,HSS Drilling Tools for diy

General description These Grooved Step Drill Bits are designed for versatility and efficiency in drilling. Made from heat-treated 4241 high-speed steel (HSS) and coated with titanium nitride, they provide durability and longevity. The stepped structure allows for drilling holes of various sizes without the need for multiple bits, making them a cost-effective solution for DIY enthusiasts. Technical specifications Material: High Speed Steel 4241 Surface: Titanium Plating Shank Type: Triangular Round Handle Shank Size: 25 x 12 mm Size Range: 10-45 mm (10, 15, 20, 25, 30, 35, 40, 45 mm) Applicable Material Thickness: Up to 5 mm Color: Gold Compatibility and accessories Suitable for materials with hardness less than 25Ḟ Compatible with electric screwdrivers, drill bits, and pressure drills Usage Ideal for drilling holes in carbon steel, iron sheet, insulation board, PVC board, and wood Can be used to enlarge existing holes Effective for countersinking and fastening screws and fasteners