38x38mm M10 Insert, 2.5mm Standard Rib Tube Insert (Nylon)

38x38mm M10 Insert, 2.5mm Standard Rib (external Tube Dimensions and Tube Wall Thickness)

All Plastic (Nylon PA6), with a superior moulded thread (not tapped) and designed to be knocked into tube ends prior to adding an M10 threaded Foot. Inserts Head sits flush to the tube external dimensions, and the Ribs will compress to suit a variety of tube wall thicknesses, in both metric and imperial gauges. 

Also available in 38x38mm Solid Face Insert of same dimensions, but without the M10 Thread.