HT Allen Socket CSK Screw:1/2" x 2 1/4"BSW - DIN 7991/12.9/Black/Half Thread

This high-tensile steel screw features a half-inch nominal diameter and a two-and-a-quarter-inch nominal length. It conforms to the DIN 7991 standard and carries a property class rating of 12.9. The fastener includes a black surface finish and utilizes a BSW thread series with half-thread coverage.