High Tensile Spring Lock Washer (Type B):5.1 – DIN 127/8.8/Black

High Tensile 8.8 Grade Hexagonal Head UNF Full Thread Bolt, BS 18.2.1 (1965) in Profile UNF and Grade High Tensile (8.8) and Finish Black and Thread Type Full Thread and SIZE 5/16" x 1/2"