goBilda's 1523 Series Stainless Steel M4 x 0.7mm Standoff (8mm Diameter, 43mm Length)

This 43mm Length, 8mm OD Steel Standoff is a stout way to join two components or tie together the sidewalls of 1120 Series U-Channel. It comes with two E-clips that you can clip onto any of its several E-clip groove locations to axially constrain 8mm bore bearings.