FastenersScrewsSelf-DrillingHex Washer, SerratedUnslottedSteel Zinc, #4 Pt.
#4 POINTED SERRATED HEX WASHER UNSLOTTED
SELF DRILLING SCREWS WITH SELF TAPPING SCREW THREADS
- Heads are 7/16" A.F. & 7/32" Height
- Washer Diam: 19/32"
- Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
- Steel Zinc Plated