A fully threaded, grade 8.8 high tensile set screw used in a wide variety of applications. NOTE: Nuts not included. Plated in Trivalent Chromium (Cr3) Zinc Manufactured from grade 8.8 carbon steel" Thread Dia. mm: M16 Length mm: 30 Head Type: Hex Socket Size mm: 24 Thread Type: Metric Finish: Zinc & Clear Cr3 Material: Carbon Steel Timco Set Screws - Grade 8.8 - Zinc (Size M16 x 30 - 50 Pieces) in Silver