The twist drill set from BGS comprises 170 parts and offers a comprehensive selection of high-speed steel (HSS) twist drills with diameters from 1 to 10 mm. The drills are roll-rolled and have ground edges for precise and efficient machining. The set is housed in a robust metal case, which ensures safe storage and easy access to the different drill bit sizes. The drill bits are divided into two groups: 10 each for diameters from 1.0 to 8.0 mm, increasing by 0.5 mm, and 5 each for diameters from 8.5 to 10.0 mm, also increasing by 0.5 mm. This set is ideal for professional applications as well as for DIY enthusiasts who value quality and versatility.