Grasshopper 243581 Hex Bolt Grade 5

This Grade 5 hex head bolt (part number 243581, superseded by 243581F) is a genuine Grasshopper OEM fastener designed to secure the cutting blades to the mower deck spindle assembly. Manufactured from alloy steel with a black rust-resistant finish, it features a 1/2-20 UNF thread pitch and an approximate overall length of 2.25 inches (57 mm). It is a critical hardware component for maintaining blade retention integrity on compatible mid-mount zero-turn mowers. Direct OEM replacement for Grasshopper part numbers 243581 and 243581F. Compatible with Grasshopper models 9052, 9061, 9548, 9552, and 9561, typically covering units manufactured before 2008. Sold individually or in multi-pack kits.