Sealey AK4728 HSS Cobalt Spot Weld Drill Bit Ø6 x 66mm

Sealey AK4728 HSS Cobalt Spot Weld Drill Bit Ø6 x 66mm – Drill & Screwdriver Bits
Engineered for high precision and durability, the Sealey AK4728 HSS Cobalt Spot Weld Drill Bit Ø6 x 66mm offers exceptional performance for both professional and DIY metalwork applications. The advanced cobalt alloy and optimised geometry provide longer service life and efficient spot weld removal, making it an indispensable component in any toolkit.

• Diameter: 6mm
• Length: 66mm
• Material: High-Speed Steel (HSS) with 5% cobalt content
• Suitable for: Spot weld removal
• Application: Metalworking, automotive repairs

In comparison to standard drill bits and previous models, the Sealey AK4728 stands out for its enhanced durability and cutting efficiency. While conventional HSS bits may struggle with hard metals or rapid bit wear, this cobalt-enhanced design ensures reliable, consistent results even in demanding tasks. As part of Sealey’s renowned range of drill & screwdriver bits, it upholds superior standards expected by both industry professionals and serious enthusiasts.

Key Technical Advantages:

• Made from high-speed steel with added cobalt, the drill bit boasts increased heat resistance and hardness, allowing for extended use without premature dulling.
• The precise 6mm diameter, coupled with a total length of 66mm, guarantees controlled drilling, particularly when accessing spot welds on automotive or sheet metal assemblies.
• Specialised geometry reduces walking and improves concentricity, ensuring clean, accurate cuts with minimal effort or user fatigue.

Technology and Performance
The inclusion of 5% cobalt in the high-speed steel composition provides the Sealey AK4728 with outstanding edge retention and superior performance through multiple welds. This makes it ideal for repetitive tasks in car body shops or metal fabrication workshops. The spot weld drill bit’s unique construction also enables smoother, faster penetration, outperforming many generic drill & screwdriver bits currently available on the market.

Whether you are refurbishing panels, carrying out automotive repairs, or undertaking professional fabrication, the Sealey AK4728 HSS Cobalt Spot Weld Drill Bit Ø6 x 66mm delivers precision, longevity, and exceptional value. Upgrade your toolkit with this high-quality drill bit and experience the difference in ease and efficiency when working with stubborn spot welds or challenging metal substrates.