SCREW External Hexagon Head Flanged 5/16-18UNC X 0,5 '' Grade 5 ZP-YC Product DescriptionSCR 5/16-18 X 1/2 SELFTAP ZNProduct InformationFits to model (17)Zero-Turn MowersHUSQVARNA Z554HUSQVARNA PZ60PZero-Turn Lawn MowersHusqvarna Z560LSHusqvarna Z554LHusqvarna Z560LRiding Lawn MowersHUSQVARNA YTH24K54Husqvarna TS 142Garden TractorsHUSQVARNA TS 354DHUSQVARNA LGT48DXLHusqvarna TS 142XHUSQVARNA TS 348HUSQVARNA YT42DXLHUSQVARNA YTH20K42HUSQVARNA YTH20V42HUSQVARNA YT42DXLSStand-On Zero Turn MowersHusqvarna V548 - 2023Husqvarna V554