RBS is carrying the popular 3/16" hex quarter turn fastener in a variety of styles to fit every racers need. Made from heat treated steel and cad plated for corrosion protection.
Head diameter is .680" and fastener is designed to be used with No. 6 spring. Flush mount fasteners are measured from top of countersink to bottom of where the spring locks into place.
Dome mount fasteners are measured from under the head to bottom of where the spring locks into place.
Please see the diagram in picture eight on how to choose which fastener length you may need and choose size from drop down menu. Fasteners are sold each.