Diager 25pc HSS Cobalt Drill Bit Set - 1mm to 13mm

Upgrade your toolbox with this professional 25-piece HSS cobalt drill bit set from Diager. Engineered with 5% cobalt, these bits provide enhanced hardness and superior resistance to heat compared to standard HSS tools. This makes them a reliable investment for drilling through tough materials, including stainless steel and heavy-duty metals with strengths up to 1200N/mm2. Designed for precision, each bit features a 135 degree peak angle and cross sharpening to ensure a secure, stable start and accurate holes every time. Whether you are working on professional metalwork or DIY projects, these durable bits offer the longevity and strength needed to tackle demanding drilling tasks without damaging your tools.