THUNDERWEB HSS-G (25 piece) in plastic cassette (Ø 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 / 10.5 / 11 / 11.5 / 12 / 12.5 / 13 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 formsthe internal core of the drill bit.