Great old-fashioned square-head lag screws for a much more traditional look. Some of the screws with square heads that we sell are old stock and the finish can vary from flat to glossy

Most 3/16" bolts have a 5/16" head and use a 5/16" Square Socket

These square-head lag screws have minimum quantities.

500-piece discount = 20% off

1000-piece discount = 30% off

Bolt Measurement Annotation:

Lags Bolts -  Diameter x Length under Head

Head size is not included in standard annotations