【FAST CUTTING】 The four-flute helical design has a smaller cutting angle and lower cutting pressure for better control, provides smoother cuts, and helps chips exit easily, allowing for higher cutting speeds and faster cuts Cuts metal with precision like butter and leaves cleaner holes
【M35 HSS COBALT STEEL MATERIAL】 Strong wear resistance, heat resistance, corrosion resistance, and good impact resistance, can reduce friction, lower operating temperature, greatly improve the service life of the step drill bit, Titanium coating Can keep the drill bit sharper
【MULTI-STEP SIZES】 1/4" (6.35mm) hex handle fits securely on lithium drills, hand drills, bench drills. Use this versatile small tapered drill bit for sheet metal,stainless steel,wood at work or at home DIY, Plastic, aluminum plate, copper and other items to open holes
【34 TOTAL STEP SIZE 】 Includes 3 piece drill bits with 1/8" - 1/2", 1/4" - 3/4", 3/16" - 7/8", you can use it to drill new holes or Enlarge existing holes without changing drill bits. Get your job done fast with confidence!
【WARRANTY 】If for any reason you are not completely satisfied, please contact us for a 100% refund or replacement
【GET A CLEANER HOLE】After drilling the front side, you can drill from the back side again, this will remove the burr and get a more beautiful hole
【TIPS FOR PROLONGING SERVICE LIFE】Use cutting fluid or water to keep the drill bit cool and clean when drilling hard material holes, promote clean cutting, prolong the service life of the drill bit and better maintain the sharpness of the drill bit