Osborn Goldex HSS Tin Jobber Drill Bit - 3.9mm, Pack of 10

Introducing the 'Osborn Goldex HSS Tin Jobber Drill Bit -3.9mm, Pack of 10'. Each drill bit in this pack belongs to the superior-quality 81504 series by Osborn. Designed with high-speed steel for exceptional durability, these jobber drill bits come with a titanium coating, ensuring an extended lifespan and an impressive performance. Ideal for puncturing materials like steel, whether alloyed or non-alloyed, malleable cast iron, grey cast iron, or graphite, their versatile application makes them a valuable addition to your toolkit. Our specifications maintain adherence to DIN 338 standards, ensuring the product's premium composition. A 118° point angle and a helix angle of approximately 30° contribute to precise drilling, while the drill body tolerances are maintained at h8. With Osborn Goldex, drill with utmost confidence and precision.