1/4" 6.3MM Chicago Post Hole Through Black Oxide
Drive: None, Hole Through Head
Head Diameter: 7/16" (11MM)
Shank Length: 1/4" (6.3MM)
Finish: Black Oxide over Solid Brass, Machined from Solid Brass
Notes: Post only. Match with one of our 5/16" length #8 thread Chicago Screws or purchase as a Set. Hole on head allows for more thread engagement. Can be used with a slightly longer screw as suggested above. Do not exceed length suggested otherwise screw shank will protrude past head when fastened all the way.