Key specs: Function=Wall flange with an undrilled base for 1-inch OD railing tubing, for custom-drilled or adhesive mounting; set screw locks the tube in the collar; SKU=40-500U/1 (304 polished), 44-500U/1 (304 satin); Tubing OD=1 inch; Base=2-inch diameter, undrilled; Materials/Finishes=304-Grade Polished Stainless Steel, 304-Grade Satin Stainless Steel; Availability=Ships from US inventory
Undrilled Wall Flange for 1-Inch OD Tubing
A wall flange with no holes in the base, for 1-inch OD railing tubing. The 500U/1 gives the installer a plain 2-inch base to drill to a custom hole pattern or to bond with construction adhesive where fasteners are not wanted on the face. The collar still locks the tube with a set screw. 304 stainless, polished or satin, sized to match the 1-inch line.

