1/2"-13 x 1-1/4" Hex Head Cap Bolts, Stainless Steel 18-8 (Quantity: 50 pcs) Fully Threaded, Coarse Thread, Thread Size: 1/2 Inch, Bolt Length: 1-1/4 Inch$$Hardware

Diameter - Thread Pitch: 1/2" - 13 / Length from Under Head: 1-1/4 Inch Coarse Thread / Fully Threaded 18-8 Stainless steel hex cap screws offer protection from weather and corrosive environments Rust resistant in fresh water environments, for salt water environments use the 316 stainless steel version Called hex cap bolts or hex cap screws