Cobalt Step Drill Bit Set With Center Punch by MulWark TiAlN Coated Unibit One Eighth To One And Three Eighths Inch With Four Spiral Flute Hex Shank For Stainless Steel Metal Wood Plastic Ideal For Electronics Enclosures Machinery And Industrial Projects

Cobalt Step Drill Bit Set for Metal, Electronics Enclosures
✔️ 13-step (1/8 in - 1/2 in) size range, M35 steel, TiAlN coating, hex shank

This cobalt step drill bit set combines high-speed steel with a TiAlN coating for long life in metalworking and electronics enclosures. It's designed for drilling through stainless steel, hardened steel, aluminum, and plastic in industrial environments, HVAC installs, and machinery assembly.

✅ 13-step (1/8" - 1/2") size range for electronics enclosures
✅ 12-step (3/16" - 7/8") range for mixed density holes
✅ 9-step (1/4" - 3/4") for machinery assembly
✅ 4-step up to 1-3/8" for heavy industrial equipment
✅ M35 high-speed steel for rugged, long-life performance
✅ 89HRC3 coating delivers heat resistance and longer life
✅ 118° split-point for fast starts and self-centering action
✅ Four-flute spiral design clears chips efficiently
✅ Hex shank fits most industrial power tools
✅ Includes center punch for starting holes
✅ Magnetic option enhances metalworking efficiency

💡 What is a cobalt step drill bit set with center punch used for in metal fabrication and electronics enclosures?

This handy tool speeds up hole sizing and starting positions on metal panels and cabinets. It’s built for high-volume drilling in industrial settings.

- Handy for drilling through stainless steel, aluminum, and other sheet metals
- Speeds up enclosure and machinery work by providing multiple hole sizes in one bit
- Helps deliver clean, centered holes with minimal wandering