Four Spiral Flute Step Drill Bit Set, 3PCS 1/8"-7/8" High-Speed Steel Unibit Step Bits with 1/4" Hex Shank for Stainless Steel Metal Aluminum Wood Plastic

From the brand – Precision Tools for Everybody.<br>We believe everybody deserves reliable, high-performance tools.<br>Our high-quality tap socket set, tap &amp; die set, and step drill bit set are engineered for durability, helping you tackle tough jobs with confidence.<br>Best tool, best work<br>Product description：<br>

• ‌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
• ‌Laser Etched Markings‌: Precise depth indicators at every step level. ‌Professional Storage Solution‌. Enable instant size identification. ‌Smart Engineering Features‌. ‌Quick-Change Hex Shank‌. ‌Spiral Flute Design
• Easy Organization & Identification: The included storage case keeps your metal step drill bits neatly organized and easy to carry. Each step bit is clearly labeled for instant size recognition