Product Review

V7653, 12 pack, zinc ribbed neck bolts & nuts, 1/4 inch diameter x 20 threads per inch x 1/2 inch length, hold 2 or more parts together, tighten without being on both sides of the door, knurled shank prevents bolt from spinning during installation & tightening, c an be used to join metal angles & track brackets, primarily used on fiberglass garage doors, carded.