Upgrade your drilling experience with our high-quality step drill bits, designed for DIY enthusiasts and professionals alike. Crafted from industrial-grade High-Speed Steel (HSS) and heat-treated for enhanced durability, these bits stay sharp even after frequent use, effortlessly drilling through metal, plastic, and wood.Featuring a four-flute precision cutting design, each bit quickly removes chips, dust, and debris, while the self-centering tip prevents slipping and wandering—ensuring fast, efficient, and accurate drilling, even on metal sheets.Our step drill bits also come with polished steps and clear etched size markings, allowing you to easily identify the target hole size while drilling. No more stopping to measure repeatedly—save time and improve work efficiency.This 5-piece step drill set covers 59 different sizes, making it ideal for all your DIY drilling projects. Each bit features a 1/4" hex shank and a 3/8" standard shank for quick, easy bit changes, and the included storage case keeps all bits organized and portable. With a 118° drill angle, they work perfectly with most impact drills to drill clean, round holes fast.Whether you’re drilling into metal sheets, stainless steel, aluminum, copper, plastic, or other thin materials, our step drill bits have you covered. Plus, with our 100% satisfaction , you can buy with confidence—if you’re not completely satisfied, anytime and we’ll provide a solution that meets your needs.

‌Effortless Precision Drilling:‌ Engineered with four ultra-sharp cutting blades, this step drill bit set delivers smooth, vibration-free performance. Its advanced design ensures clean, accurate holes in steel, aluminum, copper, and other rigid materials with professional-grade precision
Durable High-Speed Steel:‌ Each step bit is precision-forged from premium high-speed steel (HSS), achieving Rockwell 62-65 hardness for superior wear resistance. This robust composition withstands thermal stress and maintains peak cutting performance under high-pressure, high-friction conditions
3 PCS STEP BIT KIT: Our 3 piece step bits set includes a variety of sizes to meet different drilling needs. The set consists of step bits with diameters of 1/8" to 1/2" (13 steps), 1/4" to 3/4" (9 steps), and 3/16" to 7/8" (12 steps). All bits come in a durable blow-molded case for easy storage and transport
‌Easy to Identify & Organize: Laser-etched size markings on every metal step bit let you drill with precision without constantly checking measurements. The included storage case keeps all bits neatly organized and easy to take anywhere
Widely Application: Our metal step drill bits are ideal for drilling into metal sheets, stainless steel, aluminum, copper, plastic, and other thin materials
Quick-Change Design: Features a dual shank with both a 1/4" hex and a 3/8" round shank, enabling quick, easy step-bit changes. Ensures a secure hold without slipping for stable performance. Compatible with most handheld drills and drill presses