Graphite 58G712

The Guhring No 5523 HSS-Co High Speed Steel Drill is a professional-grade jobber drill engineered for demanding machining applications across multiple material types. Manufactured from high-speed stee more→l with cobalt content, this drill delivers exceptional durability and heat resistance for commercial use. Designed for versatility, it excels when working with non-ferrous metals, structural and carbon steels, high-alloyed steels, cast iron, cast alloys, plastics, and aluminium. The 4-facet split point geometry ensures accurate positioning and reduces walking, whilst the straight shank configuration provides secure tool holding in standard drill chucks. The bright finish and manufacture to BS 328 …

Fully ground HSS Cobalt drill bit manufactured to DIN 338. 5% Cobalt gives increased heat hardness which helps extend the life of the drill bit. 135° Split point is self-centring which helps to reduce more→thrust and aids an easier penetration. Efficient clog-free swarf clearance. Suitable for drilling high carbon and stainless steel. High-density case for safe storage. Features: • Fully ground HSS Cobalt drill bit manufactured to DIN 338 • 5% Cobalt helps to increase life of drill bit • 135° Split point is self-centring for easier penetration • Efficient clog-free swarf clearance • Suitable for drilling high carbon steel and stainless steel • High-density case for sa…

The Irwin Blue Groove 4X Long Flat Bit in 30mm x 400mm provides powerful drilling capability for very large diameter applications in timber construction and installation work. This substantial size is more→ideal for creating holes for larger waste pipes, substantial mechanical installations, heavy-duty conduit runs, and structural penetrations through deep timber sections. The impressive 30mm cutting diameter combined with the extended 400mm shank makes this bit essential for construction professionals, plumbers, and mechanical installers tackling demanding drilling tasks through floor joists, multiple wall studs, and roof timbers. The patented Blue Groove technology with its specially designed groove …