old rusty head nail hook spring

accessory appliance background bolt build chrome circle collection component construct construction cotter cramp cross cut cutout dirty diy element equipment fasteners fastening fix forelock graphics grunge hardware head hobby holdfast hook household industrial industry iron isolated jointing keeper key macro material matrix mechanic metal metallic nail nails nut object old out part pattern pin rust rusty safety slot spike spring stainless steel stud tack texture thread threading tool vintage work workshop wrench zinc