# Buy HSS-E Cobalt spiral drill bit set 170-piece at Autoservice ## HSS-E Cobalt spiral drill bit set 170-piece for precision drilling in metal Bodywork / Grinding & Drilling / Assortments 170-piece HSS-E Cobalt spiral drill bit set for precise drilling in hard metals. ## Prices and stock - **SIN-ASS-AJC170**: € 464,01 incl. VAT — 4 in stock ## Order URL [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) ## Alternate URLs - **nl**: [HSS-E Cobalt spiral drill bit set 170-piece for precision drilling in metal](https://www.auto-service.be/nl/carrosserie/slijpen-boren/assortimenten/spiraalboor-set-hss-e-cobalt-170-delig-1st) - **fr**: [HSS-E Cobalt spiral drill bit set 170-piece for precision drilling in metal](https://www.auto-service.be/fr/carrosserie/meulage-et-percage/assortiments/jeu-de-forets-heliocoidaux-hss-e-cobalt-170-delig-1pc) - **en**: [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) ## Images - ![Product image](https://www.auto-service.be/assets/media/10337/conversions/spiraalboor-set-hss-e-cobalt-170-delig-1st-11688-optimized.jpg) ## Specifications - **Reference**: SIN-ASS-AJC170 ## Product description ### High-quality HSS-E Cobalt spiral drill bit set This 170-piece spiral drill bit set is made from HSS-E (High-Speed Steel with 5% cobalt), providing extra hardness and heat resistance. This makes the bits ideal for drilling into hard-to-machine materials such as stainless steel, spring steel, and titanium alloys. ### Comprehensive set for various applications The set includes drill bits in the following sizes: - Ø 1.0 mm to 8.0 mm in 0.5 mm increments, 10 pieces each - Ø 8.5 mm to 10.0 mm in 0.5 mm increments, 5 pieces each This variety of sizes offers flexibility for a wide range of drilling tasks. ### Technical specifications - **Point angle**: 135° with split point (cross grinding) according to DIN 1412-C, ensuring precise centering and reduced slipping during drilling. - **Standardization**: Complies with DIN 338, guaranteeing high quality standards. - **Surface finish**: Gold-colored, indicating the presence of cobalt and contributing to the durability of the bits. ### Durability and performance Thanks to the cobalt alloy, these bits withstand high temperatures and wear, resulting in longer lifespan and consistent performance, even with intensive use. ### Suitable for various materials These bits are specially designed for drilling in: - Stainless steel (RVS) - Spring steel - Titanium and titanium alloys - Other hard-to-machine steels with a tensile strength up to 1,000 N/mm² ### Practical storage case The bits come in a sturdy ABS plastic case with a transparent lid, making it easy to find the right size and store the bits safely. ### Areas of application This set is ideal for professionals in metalworking, the automotive sector, and other industries where precision drilling in hard metals is required. ### Maintenance tips For optimal performance and longer bit life, the use of cutting oil is recommended during drilling. This reduces friction and heat development, minimizing wear. ### Summary With this 170-piece HSS-E Cobalt spiral drill bit set, you have a comprehensive and durable solution for all your precision drilling tasks in hard metals. ## 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-S ground twist drill set 19-piece for precision drilling](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-s-polished-19-parts-1pcs) - [HSS-E cobalt twist drill set 19-piece for metalworking](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-e-cobalt-19-piece-1) - [Step drill set 3-piece with titanium coating](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/step-drill-set-3-parts-1) - [Promat countersink drill set 3-cut HSS D335C 6-piece (6.3-20.5 mm)](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/countersink-drill-set-3-sn-hss-d335c-6-parts-63-205-1) - 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