Pro Grade All In One Step Drill Bit Set With 5 Step Bits And 6 Countersink Bits 11 In 1 HSS Cobalt Nitriding Coated Drill Kit Four Spiral Flute Design For Metal Aluminum Wood Plastic With Storage Case
✔️ 11-piece kit with HSS nitrided steps and cobalt countersinks
This 11-piece set combines five HSS step drill bits with nitriding for hardness and six cobalt countersinks for tough metals. The sizes span 3/16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). Countersinks include 1/4", 3/8", 1/2", 5/8", and 3/4". The 1/4" hex shank fits most drills for quick changes, and a sturdy storage case keeps everything organized.
✅ 5 step drill bits with four-spiral flutes for smooth cutting
✅ Coated nitriding for enhanced hardness and wear resistance
✅ 6 cobalt countersinks (M35) for stainless and hard metals
✅ 1/4" hex shank fits most drills for quick changes
✅ 11-piece set across multiple sizes with a shockproof storage case
💡 What is a drill bit set with HSS step bits and cobalt countersinks used for in metalworking and woodworking?
This handy kit is a practical choice for making clean, stepped holes and flush countersinks across metal, wood, aluminum, and plastic.
- HSS step drill bits nitrided for wear resistance - cobalt countersinks for hard metals like stainless steel - 1/4" hex shank fits most drills - 11-piece set covers a wide range of sizes for common projects ✝️