This genuine Gravely bolt (OEM Part No. 06200321) is a round head, square neck carriage bolt with a .50-13 thread and 8.50″ length. It’s used in mower deck assemblies to secure anti-scalp wheels, baffles, and other structural components on Gravely zero-turn mowers including models 991083, 991084, and 991090.
Manufactured to Grade 5 specifications with a zinc-coated finish, this bolt offers corrosion resistance and reliable strength for high-vibration environments. The square neck prevents rotation during tightening, ensuring a secure fit and consistent deck performance.
Compatible with Gravely ZT HD, PRO-TURN Z, PRO-TURN ZX, and PRO-TURN 100/200 series mowers, as well as Ariens APEX and Max Zoom models. This bolt is a direct OEM replacement and is essential for maintaining safe and effective mower operation.
Sold individually.
Technical Specifications:
Thread Size: .50-13
Length: 8.50″
Head Type: Round head, square neck
Material: Zinc-coated steel
Grade: Grade 5
OEM Brands: Gravely, Ariens