GLASER & ASSOCIATES, INC. 5/8-11 X 1 1/2 Grade 5 (ASTM A449) Plow Bolt, Zinc Blue (Qty: 300) PLOW-101 5/8-11 X 1 1/2 SAE J429 Grade 5 (ASTM A449) Plow Bolt, National Coarse Thread, Zinc Blue Plated for use on heavy machinery or industrial and commercial e