Carr Lane CL-61-CS | 1/4-20" Thread Steel Black Oxide Coated Tapped-Heel Clamp StrapTapped Heel Clamp Straps Heavy duty steel version of the Tapped Heel Clamp Straps, with a radius nose to provide firm workpiece contact. These clamp straps have a tapped heel that accepts a clamping screw or adjustable rear support. When used with a clamping screw, clamp by tightening the screw. Application Information Tapped Heel Clamp Straps have a tapped hole that accepts either a clamping screw. Material Material Heat Treat Finish DFARS RoHS 1018