YYWEi HSS Step Drill Bit 5-35mm Cone Drill Bit Titanium Coated Double Slot Cone Cutting Drill for Steel, Wood, Plastic, Aluminum Copper DIY

• <p>High speed steel makes the step drill set more durable, titanium coating ensure to easily cut through steel sheets , aluminum sheets, copper &amp; plastic &amp; wood board and many other types of sheet metal.</p>
• <p>Professional HSS Step Drill design for precision drilling different size holes from 5mm up to 35mm in diameter,optimum speed and accuracy.you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.</p>
• <p>Easy To Drilling: Mark hole locations and Two-fluted design makes drilling faster and smoother. Surface depth gauges make drilling precise.</p>
• <p>The step drill bit's stepped grooves to prevent slippage in the chuck.With a twist drill for positioning and Reduce the damage of the step drill.</p>
• <p>Perfect for home DIY and general building supervision / engineering use. Suitable for use of drilling holes in a variety of materials such as steel cutting, brass, wood, plastic, etc.</p>

Key feature: Ultra durable, high quality HSS steel with Titanium coated, Titanium coated to reduce friction and heat. With only need a small amount of pressure and automatically deburr holes as you drill. Provides fast, smooth and clean cuts, each step is clearly labeled with the depth diameter. Specification: Type: Straight Groove Drill Material: HSS steel with Titanium Plated Shank Type: Round Shank Color: Silver Models: 5-35mm Shank Diameter: 13mm Hole Sizes: 5mm, 7mm, 10mm, 12mm, 15mm, 17mm, 20mm, 22mm, 25mm, 27mm, 30mm, 32mm, 35mm (13 steps) Length: Appox. 7.2cm / 2.7" Package Includes: 1 x 5-35mm HSS steel Step Cone Drill