THUNDERWEB HSS-G (19 piece) in plastic cassette (Ř 1 / 1.5 / 2 / 2.5 / 3 / 3.5 / 4 / 4.5 / 5 / 5.5 / 6 / 6.5 / 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10 mm)
Metal drill bits HSS Ground – DIN 338
The THUNDERWEB design is characterised by a conical shaped web which gets thicker towards the back of the drill bit. The web forms the internal core of the drill bit.