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

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Flatter twist angle creates smaller chippings, ideal for drilling harder steels ie: stainless steel. VersaDrive Impact wrench drill bits work by utilising the high torque rotary drive of an impact wrench in a conventional rotary drilling operation. We also use cookies to analyse our traffic and share information about your use of our site with our analytics partners. North Berwick High School, East Lothian "All received and mechanical department are happy with the bits.However, by default this process will utilise the impact operation (as opposed to rotary only) meaning a possibility of reduced drill bit life.

The impact wrench mechanism should not engage or impact when drilling, if this occurs, too great drilling pressure is being used and should be reduced. We’ve set up an online help centre featuring a number of useful how-to guides on our products and general engineering advice.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.

For effective use the increased hole size should be no greater than two thirds of the starting hole size. Featuring a Morse Taper Shank and constructed from High-Speed Steel (HSS), it's designed to deliver outstanding performance and durability. Over the past two and a half years I have been using Tilgear for purchasing the tool kits for the Lee Marley Brickwork apprentices.mm right-handed cutting type N twist drill, designed for all drilling operations with common materials. Credit subject to status, UK residents only, SGS Engineering Ltd acts as a broker and offers finance from PayPal Credit. As a DT Technician in the Technology Department at Millais School, my role here involves ensuring our department is well-equipped and functioning smoothly, which naturally leads me to rely on quality suppliers and efficient service.