# Buy Promat countersink drill set at Autoservice ## Promat countersink drill set 3-cut HSS D335C 6-piece (6.3-20.5 mm) Bodywork / Grinding & Drilling / Assortments 6-piece Promat countersink drill set with 3 cutting edges, ideal for precise countersinking and deburring of drilled holes. ## Prices and stock - **SIN-ASS-VZB**: € 105,80 incl. VAT — backorder ## Order URL [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) ## Alternate URLs - **nl**: [Promat countersink drill set 3-cut HSS D335C 6-piece (6.3-20.5 mm)](https://www.auto-service.be/nl/carrosserie/slijpen-boren/assortimenten/verzinkboorset-3-sn-hss-d335c-6-delig-63-205-1st) - **fr**: [Promat countersink drill set 3-cut HSS D335C 6-piece (6.3-20.5 mm)](https://www.auto-service.be/fr/carrosserie/meulage-et-percage/assortiments/combinaison-de-fraises-coniques-3-sn-hss-d335c-6-pieces-63-205-1pc) - **en**: [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) ## Images - ![Product image](https://www.auto-service.be/assets/media/10341/conversions/verzinkboorset-3-sn-hss-d335c-6-delig-63-205-1st-11692-optimized.jpg) ## Specifications - **Reference**: SIN-ASS-VZB ## Product description ### Precision and versatility in one set The Promat countersink drill set is designed for precise countersinking and deburring of drilled holes. With six drills in various diameters, this set offers the flexibility you need for a wide range of applications. ### High-quality materials and construction Each drill in this set is made from high-quality HSS (High-Speed Steel), ensuring durability and a long service life. The drills are uncoated, making them suitable for general use in various materials. ### Technical specifications - **Number of drills:** 6 - **Diameter sizes:** 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm - **Countersink angle:** 90 degrees - **Cutting edges:** 3 - **Shank type:** Cylindrical - **Standard:** DIN 335 C ### Application possibilities This countersink drill set is suitable for working with various materials, including: - Steel - Stainless steel - Aluminum - Brass - Plastics ### Benefits of the Promat countersink drill set - **Precise finish:** The 90° countersink angle and three cutting edges ensure a smooth and precise finish of drilled holes. - **Durability:** Made from HSS for a long service life and consistent performance. - **Versatility:** Suitable for a wide range of materials and applications. - **Ease of use:** The cylindrical shank ensures stable mounting in the drill chuck, making it easy to use. ### Practical tips for optimal use - **Speed:** Start at a low speed and gradually increase it to prevent overheating. - **Pressure:** Apply even pressure while drilling for consistent countersinking. - **Cooling:** If possible, use a coolant when drilling in metals to extend the life of the drills. With the Promat countersink drill set, you have a reliable and versatile tool that helps you achieve professional results in your projects. ## 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 set 25-piece for precise drilling in metal and plastic](https://www.auto-service.be/en/bodywork/grinding-drilling/assortments/spiral-drill-set-hss-rolled-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 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) - [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) - [Scratch treatment](https://www.auto-service.be/en/car-cleaning/scratch-treatment) - [Accessories](https://www.auto-service.be/en/car-cleaning/accessories) - [Kits](https://www.auto-service.be/en/car-cleaning/kits) - 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