Sealey DB120CB HSS Cobalt Fully Ground Drill Bit 12mm Pack of 5

Sealey DB120CB HSS Cobalt Fully Ground Drill Bit 12mm Pack of 5 – Twist Drill Bits

The Sealey DB120CB HSS Cobalt Fully Ground Drill Bit 12mm Pack of 5 provides both professional tradespeople and DIY enthusiasts with reliable performance and outstanding durability. Constructed from high-speed steel (HSS) with a precise cobalt alloy percentage, these twist drill bits are expertly fully ground for superior precision, optimal chip removal, and extended tool life.

• Diameter: 12mm
• Material: HSS with Cobalt Alloy
• Construction: Fully Ground
• Pack Quantity: 5
• Application: Suitable for hard metals, including stainless steel

Compared to standard twist drill bits, the Sealey DB120CB HSS Cobalt series offers enhanced cutting efficiency and longevity due to its robust cobalt-enriched composition. While many traditional drill bits may wear prematurely when tackling harder metals, this pack of 12mm bits stands out for its remarkable endurance and resistance to heat. For those familiar with previous models or entry-level options, the fully ground design offers a tangible upgrade, as it not only improves straightness and accuracy but also facilitates smoother and faster drilling in demanding environments.

Key Technical Advantages:
Technology and Performance

Sealey’s use of HSS cobalt alloy in the DB120CB delivers an impressive blend of toughness and heat resistance, making these drill bits ideal for repetitive, heavy-duty drilling in hard-to-machine materials. Their fully ground flutes reduce friction, minimise workpiece damage, and promote cleaner, more precise holes. Whether you're a professional requiring a reliable drill bit selection for stainless steel or a dedicated DIYer seeking dependable tools for various metalworking tasks, this pack of Sealey twist drill bits ensures you’ll achieve professional results every time.

Prioritising safety and cutting performance, these 12mm drill bits outperform standard carbon steel and rolled variants by maintaining sharpness and stability for far longer. This translates into fewer bit changes, less downtime, and lower overall tool replacement costs—an essential consideration for busy workshops. For users seeking an industry-leading blend of value, resilience, and accuracy, the Sealey DB120CB HSS Cobalt Fully Ground Drill Bit 12mm Pack of 5 sets a new benchmark in twist drill bits for high-precision, high-performance applications.