Metal drill bit Irwin TCT 7 mm, 1 pc

Irwin TCT 7 mm metal drill bit, supplied as a single piece, is designed for drilling through a range of metal materials. The tungsten carbide-tipped (TCT) geometry ensures improved wear resistance and sustained cutting performance when creating precise 7 mm holes. The bit is compatible with handheld drills and drill presses, making it suitable for both site and workshop use where durable, repeatable metal drilling is required.

Advantages

The TCT tip provides high hardness and heat resistance that extends tool life compared with standard high-speed steel bits. The precision-ground flute and cutting edge deliver consistent hole quality and reduced walking at the start of the cut. Supplied as a single unit, the bit offers straightforward handling and storage for occasional or professional use.

Suitable for

• Drilling steel sheets and plate
• Creating holes in cast iron and non-ferrous metals
• Metal fabrication and repair tasks
• Workshop and on-site drilling with handheld drills or drill presses

Key specifications

• Drill type: Tungsten carbide-tipped (TCT) metal drill bit
• Nominal diameter: 7 mm
• Quantity: 1 piece
• Recommended use: Metal drilling
• Compatibility: Handheld drills and drill presses

How to use

Secure the workpiece and mark the hole position before drilling. Fit the 7 mm Irwin TCT bit into the drill chuck and tighten securely. When drilling metal, use a suitable cutting speed and apply steady, moderate pressure; avoid excessive feed that can chip the carbide tip. For thicker or harder metals, consider using cutting fluid to reduce heat and improve chip evacuation. After use, clean the bit of chips and coolant residue and store it in a protective holder.

Usage recommendations

Use appropriate personal protective equipment such as safety glasses and gloves. Match drill speed to material hardness: lower speeds for hard or thick metals, higher speeds for softer materials. Replace the bit if the cutting performance deteriorates or if visible damage to the carbide tip appears.