Ti-Plated Hex-Shank Step Drill Bit Set — 3–12mm (0.12–0.47in), 4–12mm (0.16–0.47in), 4–20mm (0.16–0.79in) — 3-Piece

Reliable and versatile step drill bits for clean, concentric holes in wood and thin sheet materials. Titanium plating and a hex shank deliver longer life, reduced walking, and quick size changes with one tool.

Specifications:

• Type: Step drill bit / Core drill bit
• Coating: Titanium-plated
• Shank: Hex shank (hexagonal handle) for secure chuck grip
• Sizes: 3–12 mm (0.12–0.47 in), 4–12 mm (0.16–0.47 in), 4–20 mm (0.16–0.79 in)
• Overall Length: 67–72 mm (2.64–2.83 in)
• Use: Wood drilling, sheet materials, deburring, chamfering, and reaming tasks
• Compatible Tools: Hand drill (pistol drill), drill press/table drill
• Recommended Speed: 250–400 RPM (use lower speed for larger diameters)
• Packaging Included: 3-piece set — Ti-plated hex-shank step drills (3–12mm, 4–12mm, 4–20mm)
• DIY Category: Woodworking supplies
• High Concern Chemicals: None
• Notes: Manual measurement tolerance ±1–3 mm. Cooling with water while drilling can extend bit life. Avoid excessive force and secure the workpiece before drilling.

Safety Notes:

Drill bits are sharp and can produce flying debris. Always wear eye protection and gloves, secure the workpiece, and keep hands clear of the bit while operating. Keep out of reach of children.