Hikoki HSS Metal Drill Bit 12.0 x 135/205 mm, 5-Piece Set

The Hikoki HSS metal drill bit set is a professional-grade solution designed for high-performance drilling in steel and various metal alloys. Each bit in this 5-piece set features a 12.0 mm diameter, a working length of 135 mm, and a total length of 205 mm, ensuring stability and reach for demanding workshop tasks. Engineered from high-speed steel, these bits provide excellent heat resistance and structural integrity, allowing for clean and precise holes in challenging materials.

Advantages

These drill bits are manufactured to meet the rigorous demands of industrial environments, offering superior durability and wear resistance compared to standard bits. The high-speed steel construction ensures that the cutting edge remains sharp for longer periods, even when working with tough metal alloys. The precision-ground geometry facilitates efficient chip removal, reducing friction and preventing overheating during operation. This set provides consistent performance, making it a reliable choice for professionals who require accuracy and longevity in their drilling tools.

Suitable for

• Drilling into structural steel and carbon steel
• Working with non-ferrous metal alloys
• Industrial maintenance and repair tasks
• Workshop fabrication and metalworking projects

This set may not be suitable for drilling into hardened or tempered steel, as these materials require specialized carbide-tipped tooling. Additionally, these bits are not designed for masonry, concrete, or wood applications, as the geometry is specifically optimized for metal cutting.

Key specifications

• Diameter: 12.0 mm
• Working length: 135 mm
• Total length: 205 mm
• Material: High-speed steel (HSS)
• Quantity: 5 pieces

How to use

To achieve the best results, secure your workpiece firmly in a vice or clamp to prevent vibration. Start the drilling process at a low speed, applying steady and consistent pressure. It is highly recommended to use a suitable cutting oil or lubricant to reduce heat buildup and extend the life of the drill bit. Ensure the drill is held perpendicular to the surface to maintain accuracy and prevent the bit from snapping or wandering.

What to consider before purchase

• Verify that your drill chuck is compatible with a 12.0 mm shank diameter.
• Ensure your power tool has sufficient torque for drilling 12.0 mm holes in metal.
• Confirm the material hardness of your workpiece is compatible with standard HSS bits.

Usage recommendations

Always wear appropriate eye protection and safety gear when drilling metal. Regularly inspect the drill bits for signs of wear or dulling, and sharpen or replace them as necessary to maintain optimal cutting efficiency.