Sealey DB040CB HSS Cobalt Fully Ground Drill Bit 4mm Pack of 10

Sealey DB040CB HSS Cobalt Fully Ground Drill Bit 4mm Pack of 10 – Twist Drill Bits

The Sealey DB040CB HSS Cobalt Fully Ground Drill Bit 4mm Pack of 10 is perfectly engineered for precision drilling across a wide range of materials. Crafted from high-speed steel (HSS) with added cobalt, these twist drill bits deliver outstanding durability and long-lasting performance, making them a reliable choice for both professional tradespeople and serious DIY enthusiasts.

• Diameter: 4mm
• Material: HSS with cobalt alloy
• Pack Size: 10 pieces
• Flute Type: Fully ground
• Application: Suitable for high-tensile steel and tough metals

Compared to standard twist drill bits, the Sealey DB040CB excels with its robust HSS cobalt construction, offering greater heat resistance and extended cutting life when drilling hard materials. Previous models or industry-standard carbon steel drill bits typically wear out more quickly under heavy use, leading to frequent replacements and less precise results. The fully ground flute further sets this pack apart, ensuring smoother chip removal and improved accuracy with every use.

Key Technical Advantages:

• Exceptional wear resistance, thanks to 5% cobalt content in the HSS alloy
• Precise drilling, achieved with a fully ground flute finish for optimal performance
• Extended cutting performance on high-tensile steels, stainless steel, and other tough metals
• Reduced risk of bit breakage and enhanced strength, ensuring consistent results through repeated jobs
• Convenience of a pack of 10, ideal for professional usage or tackling multiple projects

Technology and Performance

The Sealey DB040CB HSS Cobalt Fully Ground Drill Bit 4mm Pack of 10 utilises advanced metallurgy and manufacturing techniques to produce a drill bit that maintains sharpness even under intense operating conditions. The combination of high-speed steel and cobalt means these twist drill bits withstand higher temperatures without losing hardness, delivering a superior drilling experience over standard bits. Whether drilling for structural, mechanical, or creative projects, this drill bit set is designed to help you achieve clean, accurate holes with remarkable ease and efficiency.

Elevate your toolkit and experience the precision and durability that set Sealey twist drill bits apart from the competition. Investing in the Sealey DB040CB will ensure your work maintains a professional finish time after time.