HSS-Co · Vapour-treated · As protection against material weld-on · For stainless material and other high-strength steels Tooth profile C: Parabolic tooth with pre-cutter and post-cutter · Bore Ø: 40 mm With 2 secondary holes 8/55 mm and 4 secondary holes 12/64 · For Eisele, Ulmia, Trennjäger, Record and Ultra circular saws