10 BSW Whitworth Bolts 1/4 x 3/4" with Nuts & Washers (20 tpi) BZP Camera Tripod
Nuts are 1/4" whitworth BSW full nuts, 20tpi, bar turned with a single chamfer. Across flats (AF) = 0.524". Depth = 0.252". Ten (10) new 1/4" x 3/4" Whitwroth BSW bolts with 10x 1/4" nuts and 20x 1/4" washers.