Graphite 58G727

This Bosch PRO HSS-Co Cobalt Drill Bit is a 9mm diameter bit, supplied in a pack of 5 — a practical larger size for drilling stainless steel, alloyed steels, cast iron, and acid- and heat-resistant st more→eels. The five-pack is well suited to professional use at this diameter. Fully ground HSS blended with 5% cobalt provides excellent wear and heat resistance. The centring tip ensures accurate, no-wander hole starts for consistent, clean performance throughout. Features and Benefits: • 5% cobalt HSS for superior heat and wear resistance • Centring tip for accurate, no-wander hole starts • Cylindrical shank compatible with three-jaw drill chucks • Pack of 5 provides excellent va…

The Guhring No 651 Series HSS TiN Twist Drill Bit is a professional-grade jobber drill engineered for demanding metalworking applications. This straight shank metric drill features a titanium nitride more→coating that significantly enhances performance and extends tool life when working with challenging materials. Ideal for drilling steel and cast steel, alloyed and unalloyed grey cast iron, spheroidal iron, sintered powder metal, German silver and graphite, this drill delivers consistent, reliable results in professional workshop and fabrication environments. The high speed steel construction provides exceptional rigidity, whilst the TiN coating offers superior heat and wear resistance for extended …

The Dormer A520 HSS TiN ADX Stub Drill Bit is a high-performance tool engineered for precision and durability. Designed with a Titanium Nitride coating, this stub drill bit offers exceptional wear res more→istance and heat dissipation, ensuring extended tool life and consistent cutting efficiency. Made from high-speed steel, it provides robust performance across a variety of materials, including steel, aluminium, and plastics. The A520 features a 130° split point that ensures accurate and quick starts, minimising bit walking and enhancing drilling precision. The ADX geometry optimises chip removal, reducing friction and heat build-up, making it ideal for high-speed drilling applications. Its shorter …