# Buy HSS-E cobalt twist drill set 25-piece | Autoservice ## HSS-E cobalt twist drill set 25-piece 1-13 mm Bodywork / Grinding & Drilling / Assortments 25-piece HSS-E cobalt twist drill set (1-13 mm) for precise drilling in hard metals. ## Prices and stock - **SIN-ASS-AJC025**: € 153,63 incl. VAT — backorder ## Order URL [HSS-E cobalt twist drill set 25-piece 1-13 mm](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-e-cobalt-25-piece-1) ## Alternate URLs - **nl**: [HSS-E cobalt twist drill set 25-piece 1-13 mm](https://www.auto-service.be/nl/carrosserie/slijpen-boren/assortimenten/spiraalboor-set-hss-e-cobalt-25-delig-1st) - **fr**: [HSS-E cobalt twist drill set 25-piece 1-13 mm](https://www.auto-service.be/fr/carrosserie/meulage-et-percage/assortiments/jeu-de-forets-helicoidaux-hss-e-cobalt-25-pieces-1pc) - **en**: [HSS-E cobalt twist drill set 25-piece 1-13 mm](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-e-cobalt-25-piece-1) ## Images - ![Product image](https://www.auto-service.be/assets/media/10336/conversions/spiraalboor-set-hss-e-cobalt-25-delig-1st-11687-optimized.jpg) ## Specifications - **Reference**: SIN-ASS-AJC025 ## Product description ### High-quality HSS-E cobalt twist drill set This 25-piece twist drill set is made from HSS-E (High-Speed Steel with 5% cobalt), providing excellent hardness and heat resistance. This makes the drills ideal for drilling into hard and difficult-to-machine materials such as stainless steel, spring steel, and cast iron. ### Extensive size range The set includes drills with diameters from 1 mm to 13 mm, increasing in 0.5 mm steps. This ensures you always have the right size for every application, offering precision and flexibility in your work. ### Technical specifications - **Material:** HSS-E with 5% cobalt - **Number of drills:** 25 pieces - **Diameter range:** 1 mm to 13 mm (in 0.5 mm increments) - **Point angle:** 135 degrees - **Shank:** Cylindrical ### Application possibilities These drills are specially designed for drilling in: - Stainless steel (RVS) - Alloyed and unalloyed steel up to 1000 N/mm² - Cast iron - Copper and copper alloys ### Advantages of cobalt alloy The addition of 5% cobalt to the HSS material increases the wear resistance and heat resistance of the drills. This results in a longer lifespan and better performance when drilling into hard materials. ### Practical storage case The drills are supplied in a sturdy metal case, keeping them safely and neatly organized. This makes transport easier and ensures you can always quickly find the right drill. ### Suitable for professional use Thanks to the high quality and durability, these drills are extremely suitable for both professional craftsmen and demanding DIYers who require precision and reliability in their tools. ## Breadcrumbs - [Bodywork](https://www.auto-service.be/en/bodywork) - [Grinding & Drilling](https://www.auto-service.be/en/bodywork/grinding-drilling) - [Assortments](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments) ## Related products - [HSS spiral drill bit set 19-piece for metalworking](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-rolled-19-piece-1pcs) - [HSS ground twist drill set 25-piece for metalworking](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-s-ground-25-piece-1pcs) - [170-piece HSS-S ground twist drill set for metalworking](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-s-polished-170-parts-1pcs) - [HSS-E Cobalt spiral drill bit set 170-piece for precision drilling in metal](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-e-cobalt-170-piece-1) - [HSS-R spiral drill set 170-piece for metalworking](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-roll-formed-170-piece-1) ## Webshop catalogue - [Car Cleaning](https://www.auto-service.be/en/car-cleaning) - [Exterior](https://www.auto-service.be/en/car-cleaning/exterior) - [Car Shampoo](https://www.auto-service.be/en/car-cleaning/car-shampoo) - [Interior](https://www.auto-service.be/en/car-cleaning/interior) - [Leather upholstery](https://www.auto-service.be/en/car-cleaning/leather-upholstery) - [Rims & tires](https://www.auto-service.be/en/car-cleaning/rims-tires) - [Polishing](https://www.auto-service.be/en/car-cleaning/polishing) - [Windows](https://www.auto-service.be/en/car-cleaning/windows) - [Wax & protect](https://www.auto-service.be/en/car-cleaning/wax-protect) - 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