HSS Titanium Coated Step Drill Bit Set – 4-32mm Hex Shank Cone Cutter

One bit, dozens of hole sizes. HSS titanium-coated step drill bits cut through metal, wood and plastic with precision and speed — no pilot hole needed. The stepped cone design lets you drill multiple hole sizes with a single tool, saving time and reducing bit clutter in your toolbox.

Available Options

• 1pc – 4-32mm — single large-range step bit
• 3pc Set – 4-12 + 4-12 + 4-20mm — compact everyday range
• 3pc Set – 4-12 + 4-20 + 4-32mm — full range set for all jobs

Compatible Materials

• Steel & sheet metal
• Wood & plywood
• Plastic & acrylic
• Aluminum & copper

Key Features

• HSS (High Speed Steel) — tough, heat-resistant, long-lasting cutting edge
• Titanium (TiN) coating — reduces friction, extends bit life, improves cutting speed
• Hexagonal shank — prevents slipping in chuck, compatible with most drills and drill presses
• Single-pass stepped design — drill multiple sizes without changing bits
• Clean, burr-free holes — no deburring needed on thin materials

Specifications

• Material: High Speed Steel (HSS)
• Coating: Titanium (TiN)
• Shank: Hexagonal
• Length: 102mm / 4.02in
• Size ranges: 4-12mm / 4-20mm / 4-32mm