These end caps are designed to be bonded in using epoxy, urethane, or acrylic structural adhesives. Toughened panel bonding adhesives also work great.

Please note, these are sized for pipe sizes, so a 1.5” pipe should measure around 1.9” OD, a 1.25” pipe about 1.6” OD, and a 1” pipe about 1.3” OD. All pipes should be schedule for the end caps to fit correctly. This includes pipes from Bettermounts, DRE, NRS, and many other frame manufacturers.