HSS-Co · Shape C · Type UNIVERSAL · Steam-tempered · Green ring · With 40° right twist · Flanks relief-ground · Metric ISO thread · DIN 13 Sheet 1 · Tolerance range ISO2 (6H) · For blind hole threads · For steel, rust-free steel, spheroidal cast iron and non-ferrous metals Further technical information: · Shank Ø: 12mm