4-Piece Cobalt Coated Step Drill Bit Set – Drill Multiple Hole Sizes with One Bit!
Upgrade your workshop with this versatile 4-piece step drill set, designed to tackle a wide range of materials and tasks with professional precision. Perfect for electricians, mechanics, DIYers, and metalworkers.
Why Choose Our Step Drill Set?
UNIVERSAL COMPATIBILITY: Crafted from high-speed steel with a durable cobalt coating, these bits easily drill through mild steel, stainless steel, copper, aluminum, wood, and plastic.
MULTI-HOLE EFFICIENCY: Each graduated step creates a perfectly sized hole without the need to switch between multiple bits. This set includes sizes from a pilot-starting 3/16" up to a generous 1-3/8".
CLEAN & BURR-FREE RESULTS: The precision-ground steps and 135° split-point tip ensure clean, accurate holes with minimal burrs and reduced material grabbing or walking.
EXTENDED TOOL LIFE: The wear-resistant cobalt coating significantly reduces friction and heat build-up, providing exceptional durability and a longer lifespan than standard bits.
FULL SET FOR ANY JOB: This comprehensive 4-piece set covers the most common hole sizes needed for electrical conduits, plumbing pipes, sheet metal fabrication, automotive work, and general repairs.
Set Includes:
4x Coated Step Drill Bits with varying maximum diameters to cover a comprehensive range.
Ideal For: Electrical installations, HVAC work, automotive repair, metal fabrication, plumbing, and countless DIY projects.
