FOUR CUTTING BLADE UP TO 4X FASTER - Ordinary step drills are prone to deflection during cutting, four cutting blade design guarantees a faster and smoother cutting, allows swarf escape easily.
ULTRA TiAlN COATING UP TO 10X LONGER LIFE - TiAlN coating has excellent characteristics. As a new coating material, which can minimize the wear of the drill bit during each drilling process.
M35 COBALT PREMIUM STEP BIT - M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high red hardness, high wear resistance and sintering resistance. M35 cobalt can obtain high hardness (HRC 64-66) through proper heat treatment.
34 TOTAL STEP SIZE - Includes 3 bits with 1/8" - 1/2", 1/4" - 3/4", 3/16" - 7/8". Perfect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
RELIABLE BRAND - Bring you the pleasure of cutting butter blocks. If the hex shank snap off, MABLEVI will repair and replace any defect, without charge, and without waiting.