6.8mm HSS COBALT JOBBER DRILL BIT FOR DRILLING HARD METALS STEEL, DIN338

Product Information

We’ve set up an online help centre featuring a number of useful how-to guides on our products and general engineering advice.

The 5% added Cobalt means increased life and faster cutting than traditional HSS Drill Bits, therefore saving downtime in manufacturing. North Berwick High School, East Lothian "All received and mechanical department are happy with the bits.The Purbeck School, Dorset "Thanks for touching base, we are extremely happy at our end pricing is excellent compared with other suppliers. Featuring a Morse Taper Shank and constructed from High-Speed Steel (HSS), it's designed to deliver outstanding performance and durability. As major international supplier, Dormer insist on its products surpassing all relevant independant performance standards.

They can also be used with a VersaDrive Rapid Lock adapter which makes them suitable for use in a wide range of power tools such as Magnetic Drills and impact drivers / impact wrenches. Drill bit colour : polished Suitable for drilling in alloyed and unalloyed steel up to a tensile strength of 900 N/mm2, cast steel, cast iron, sintered iron, temperate iron, non-ferrous metals and hard plastics. They have a patented hexagon shaped shank that makes them suitable for use with any standard 1/2” drill chuck for cordless or pistol drills.However, by default this process will utilise the impact operation (as opposed to rotary only) meaning a possibility of reduced drill bit life. Manufactured to DIN338 standards, with a 135 degree split point tip for spot drilling without pre-centring. Flatter twist angle creates smaller chippings, ideal for drilling harder steels ie: stainless steel.