Drill bit set Smart HSS for metal 12.0 mm — 5 pieces

Set of five Smart HSS drill bits with a 12.0 mm diameter, designed for drilling metal. These cutting tools are made from high-speed steel (HSS) to provide wear resistance and consistent performance when working on steel, iron, non-ferrous metals and common metal alloys. The set is suitable for use with handheld drills and drill presses in workshop, maintenance and fabrication tasks where precise round holes in sheet, plate or structural parts are required.

Advantages

The Smart HSS drill bit set offers durable cutting edges and dimensional stability under typical drilling conditions in metalworking. High-speed steel construction balances toughness and hardness to resist chipping and abrasion while maintaining effective cutting geometry. A uniform 12.0 mm diameter across the five-piece set simplifies tool selection for repeated hole sizes, and compatibility with standard drill chucks makes the bits easy to fit into common drilling machines.

Suitable for

• Drilling holes in steel and iron sheets
• Creating holes in non-ferrous metals such as aluminum and brass
• Metal fabrication and assembly tasks
• Maintenance, repair and replacement operations
• Use with handheld drills and drill presses

Key specifications

• Material: high-speed steel (HSS)
• Diameter: 12.0 mm
• Quantity: 5 pieces
• Intended use: metal drilling
• Compatible with standard drill chucks

How to use

Select a suitable cutting speed and feed for the material being drilled, secure the workpiece, clamp the selected 12.0 mm HSS drill bit in the drill chuck and align the tip with the marked drilling point. Start at low speed to establish a pilot indentation if required, then increase speed to the recommended range for HSS on metal while applying steady axial pressure. Use cutting fluid or coolant for improved chip evacuation and to reduce heat when drilling thicker or harder metals. Clear chips frequently and allow the bit to cool between prolonged cuts to preserve edge life.

Usage recommendations

Use appropriate personal protective equipment, maintain stable clamping of the workpiece, and choose cutting speed and lubrication based on the metal type to extend tool life and achieve clean holes.