1/4" x 1" Stainless Steel Hammer Drive Anchor, 100/Box
405. 450. Installing a 1/4" x 1" (one inch) Stainless Steel Hammer Drive Anchor. Drill a 1/4" hole into the concrete using a carbide tipped bit that meets ANSI Standards B212.15. Drill the hole a 1/2" deeper than the anchor will penetrate the concrete, making sure the …