Ulisem Twist Drills, Set of 6 Serrated Drill Bits, Serrated Grooving, Carpenter's Side Cut, Tap, Twist Saw, Drill Bit for Woodworking, Metal and Plastic, Tool

Six of the most common sizes to meet all your needs. This drill bit set is compatible with most electric drills on the market and comes with a portable plastic bag for easy storage and organization. The industrial-grade 6542 high-speed steel drill bits are harder than the HSS 4241 used in other similar drill bit sets. These bits also contain 5% cobalt, which improves wear resistance and durability. The fully ground helical flute design quickly reduces friction and heat, allowing for faster drilling without overheating. The 135-degree bifurcation point with a straight shank prevents movement, making drilling accurate and fast. No center punch is required. Suitable for cutting hard metals such as stainless steel, steel, and cast iron, as well as wood, aluminum alloys, and other soft metals, such as tiles, concrete, ceramic tiles, brick, wood, plastic, glass, masonry, etc. The product features sharp edges and high drilling efficiency. The center of the bit is serrated. Thanks to the drill bit, drilling can continue horizontally after the initial cut.