Specifications: Product Series: Ecoline Accessories Specification: 2.5 x 30 x 57 mm Product Text, Accessories, Grey: Pack of 1 pc Gen. Packaging: Combined cardboard and plastic packaging, blister, with Euro hole Packaging: 1 pcDiameter (D) mm: 2.50 Working length (L1) mm: 30 Total length (L2) mm: 57 Processing materials (details): - Steel/ferrous metal - Stainless steel/stainless steel - Alloy/non-alloyed steel - Grey cast iron - Hardened plastic HSS Cobalt twist drill bit has a long service life when drilling stainless steel Two cutting edges and two grooves enable fast chip evacuation and extend the service life of drill bits Compliant with DIN 338. N-type drill bit (tip angle), with 135-degree tip and diameter tolerance h8 Active cutting and excellent centering without the drill bit slipping on the surface thanks to cross-ground tip The HSS Cobalt twist drill bit is manufactured in accordance with DIN 338. N-type drill bit (tip angle) with 135-degree tip and h8 diameter tolerance. Active cutting and excellent centering without the drill bit slipping on the surface thanks to the cross-ground tip. Drill bit designed for drilling alloy and unalloyed steel, stainless steel, cast iron, cast steel and steels resistant to acid and high temperatures. It is equipped with a cylindrical chuck (shank equal to the diameter of the drill bit) and is designed for use with stationary drills and screwdrivers. ** Pictures are for illustrative purposes.