Fastener» Hex Bolt » Hex Bolt » X3-1/2 HEX BOLT ZP X3-1/2 HEX BOLT ZP WELLSCOID SIZE FINISH Material PType UNIT OFMEASURE BOXQTY CARTONQTY 131077 1/2"-13 x 3-1/2" Steel Zinc Plated box Packs 25 9 กก