Fastener» Hex Bolt » Hex Bolt » X4-1/2 HEX BOLT ZP X4-1/2 HEX BOLT ZP WELLSCOID SIZE FINISH Material PType UNIT OFMEASURE BOXQTY CARTONQTY 131081 1/2"-13 x 4-1/2" Steel Zinc Plated box Packs 25 6 กก