Three Piece Step Drill Bit Set That Rocks 4 12 20 32mm High Speed Steel Titanium Coated Hole Cutter For Aluminum Wood Plastic And Sheet Metal Deburring Chamfering And Oval Hole Opening

High-Performance Titanium Step Drill Bit Set 4-32mm
✔️ 4-12/4-20/4-32mm steps, titanium coated for metals

This three-piece drill bit set uses high-speed steel 4241 with a titanium coating to cut clean, stepped holes in aluminum, wood, plastic, and thin sheet metal (below 5mm). It includes 4-12mm, 4-20mm, and 4-32mm sizes and ships with a storage pouch. Note: Not suitable for stainless steel.

✅ Material: high-speed steel 4241 with titanium coating; not for stainless
✅ Sizes included: 4-12mm (5 steps), 4-20mm (9 steps), 4-32mm (15 steps)
✅ Lengths: 70mm (4-12mm), 74mm (4-20mm), 105mm (4-32mm)
✅ Deburring, chamfering, and oval hole opening capability
✅ Includes 3 bits and storage pouch; suitable for aluminum, wood, plastic, sheet metal under 5mm

This three-piece set is ideal for quick, clean hole sizing in lightweight materials and DIY projects, where a center punch isn’t preferred or practical.

💡 What is a step drill bit set used for in metalworking and woodworking projects?

This handy drill set helps you size holes quickly across different materials.

- step drill bit set for drilling multiple hole sizes in metalworking and woodworking - titanium coated high-speed steel minimizes heat and wear for longer life - no center punch required; guides and deburrs openings - ideal for aluminum, wood, plastic, and thin sheet metal