4 Spiral Flute Step Drill Bit Set with Case for Sheet Metal, Wood | 5PCS, 1/8"-1-3/8" HSS Unibits, 1/4" and 3/8" Quick-Change Hex Shank, Use in Electrical Installation, DIY Repair 1/8"-1-3/8" (5Pcs)
4 Spiral Flute Step Drill Bit Set with Case for Sheet Metal, Wood | 5PCS, 1/8"-1-3/8" HSS Unibits, 1/4" and 3/8" Quick-Change Hex Shank, Use in Electrical Installation, DIY Repair
Product Features
- Drill Clean Holes in Metal, Fast & Effortless: Cuts through steel like a hot knife through butter. Four flutes reduce heat build-up and prevent grabbing for smoother control vs. 2-flute bits. Essential for electricians drilling panels (up to 3/16") and fabricators. Use with cutting oil for peak performance
- One Kit Does It All - From Small Pilot to Large Holes: Covers 90% of drilling tasks with 5 bits ranging from 3/16"-1/2" (6 steps), 1/4"-3/4" (9), 3/16"-7/8" (12), 1/8"-1/2" (13), to 3/16"-1-3/8" (19). Start from a precise 4mm pilot, then seamlessly step up for conduit or hardware. Ideal for metal, wood, plasticuse lower speed on soft materials to to prevent over-drilling
- Swap Bits in Seconds & Drill with Precision: This step drill bit set includes universal 1/4" and 3/8" hex shank to fit your drill or impact driver. It locks securely and enables mechanics to swap bits in tight spaces like under a vehicle without fumbling for tools. Paired with tough, laser-etched markings that resist oil and wear, ensuring reliable, repeatable accuracy on the job
- Tackle Truck Frames & Tough Jobs with Confidence: Built with reinforced shanks to handle the demands of drilling through common automotive metals like body panels, brackets, and exhaust components. The balanced geometry reduces "walking" and vibration, making it ideal for installing accessories, performing repairs, or custom fabrication on vehicles. A go-to tool for automotive technicians, serious DIYers and garage enthusiasts-just avoid drilling into high-strength steel frames, axles, or hardened materials
- Stays Sharper Longer & Stays Organized: Made of highspeed steel (HSS) hardened to resist wear, so it maintains its edge through prolonged use. The rugged, compartmentalized case keeps every bit secure and ready, whether youre on a construction site, in a home garage, or a professional workshop