The Countersunk Mega-Coupler replaces the standard hex head bolt with a flat head bolt.
The Countersunk Mega-Coupler comes with a 1/2″ or 3/8″ flat head base and comes standard with a heavy duty wing nut developed by The Light Source. Other nut options include a steel wing nut or a nylock nut.
For metric requirements, the M10 and M12 flat head bolt is available as well.
Working Load Limit
1/2″ × 1.5″ flat head bolt or
3/8″ × 1.5″ flat head bolt