Irwin HSS Straight Shank Drill Bit 18.5mm

The Irwin HSS straight shank drill bit, with a diameter of 18.5mm, is a professional-grade cutting tool engineered for high-performance drilling in metal and various industrial materials. Manufactured from high-speed steel, this drill bit is designed to withstand the rigors of demanding workshop environments while maintaining structural integrity and cutting precision. Its geometry facilitates efficient chip removal, which helps prevent overheating and ensures a smooth, clean hole finish during operation.

Advantages

The primary benefit of this Irwin drill bit is its robust high-speed steel construction, which offers excellent heat resistance and durability compared to standard carbon steel bits. The straight shank design ensures compatibility with a wide range of standard drill chucks, providing versatility across different machinery. Furthermore, the precision-ground tip geometry allows for accurate centering and reduced walking on the workpiece surface, leading to consistent and reliable results in metalworking applications.

Suitable for

• Drilling into mild steel and alloyed metals
• Industrial metalworking and fabrication tasks
• General workshop maintenance and repair
• Creating precise holes in various industrial materials

When it may not be suitable

This drill bit is not intended for drilling into hardened steel, masonry, concrete, or ceramic materials, as these surfaces can cause rapid dulling or catastrophic failure of the cutting edge. It is also not recommended for use in hand-held drills where the torque requirements for an 18.5mm bit might exceed the tool's capacity or safety limits.

Key specifications

• Diameter: 18.5mm
• Material: High-speed steel (HSS)
• Shank type: Straight
• Application: Metal drilling

How to use

To achieve the best results, secure the workpiece firmly in a vice or clamp to prevent movement during the drilling process. Insert the drill bit into the chuck of a drill press or a compatible power tool, ensuring it is tightened securely. Apply consistent, moderate pressure and use a suitable cutting fluid to lubricate the bit and cool the contact area. Start the drill at a low speed to ensure an accurate entry point before increasing to the recommended operating speed for the material being drilled.

What to consider before purchase

• Verify that your drill chuck capacity can accommodate an 18.5mm shank diameter.
• Ensure your drilling equipment has sufficient power and torque for this bit size.
• Check the compatibility of your cutting fluid with the specific metal being machined.

Usage recommendations

Always wear appropriate eye protection and safety gear when operating drilling equipment. Regularly inspect the drill bit for signs of wear or dulling, and sharpen or replace it as necessary to maintain optimal cutting performance and safety.