<p>Much Harder - M35 HSS is harder than HSS 4241, suitable for drilling stainless steel plates and steel plates, iron plates, aluminum and wood.</p> <p>Good Design: The hex shank fits the chuck of power tools securely and eliminates slippage. The two-flute design removes chips faster and allows particles to escape easily.</p> <p>The split point increases speed. It can automatically deburr holes while drilling to keep the drill bit clean.</p> <p>You can use water to cool it when it is working and it can be used even longer.</p> <p>A necessity for family, DIY enthusiasts or professionals - Perfect for home repairs and light work such as drilling holes in plastic, aluminum, copper and many other types of sheet metal, especially for stainless steel plates and hardened steel plates.</p> <p>Features:</p> <p>1. M35 high speed steel for longer tool life;</p> <p>2. Hex shank prevents slippage in the drill chuck;</p> <p>3. Dual cutting blades design provides faster and smoother cutting;</p> <p>4. Advanced double spiral flute design outperforms straight flute design and extends the bit life. The fractional point tip increases speed, and they also include laser-etched measurements to increase step visibility.</p> <p>5. The sharpness easily ensures cutting through most sheet metal, plastic, and other materials with ease, especially for stainless steel plate and hardening steel plate.</p> <p>Specifications:</p> <p>Material: M35 HSS</p> <p>Step Drill Bit Sizes:</p> <p>4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm.</p> <p>Package Included:</p> <p>1 x M35 HSS Drill Bit.Note: 1. Please allow 0.5mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.</p>