The black Mega-Coupler from ETC is a 1/2-13 x 1 1/4" hex head cap screw made from grade-8 zinc with steel wing nut tabs. This cap screw fits around 1.25 to 2" pipes and tubes and locks into a hex milled pocket with its included Belleville washer and Nylock nut.
Sizing
- Minimum size: 1.25" pipe, 1.66" OD pipe
- Maximum size: 1.5" pipe, 1.9" OD pipe, 2" OD truss tube