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Description
11990160 – Wright Hex Bolt, Partial Thread 5/8-11 x 8" Z5 (Genuine OEM Part)
The Wright 11990160 is a genuine OEM hex bolt with partial threading, engineered to deliver strong, reliable fastening for compatible Wright commercial mowers and outdoor power equipment. Featuring a 5/8-11 thread size and 8-inch length, this bolt is ideal for structural and heavy-load applications where unthreaded shank provides added shear strength and alignment control.
Manufactured to Wright’s original equipment specifications, this hex bolt is made from hardened steel with a Z5 corrosion-resistant finish to help resist moisture, vibration, and outdoor exposure. Using genuine Wright hardware ensures proper fit, dependable performance, and long service life.
Product Details
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Manufacturer Part Number: 11990160
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Brand: Wright
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Part Type: Hex Bolt (Partial Thread)
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Thread Size: 5/8-11
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Length: 8 inches
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Finish: Z5 corrosion-resistant coating
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System: Fastening hardware
Function
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Provides secure fastening in structural and heavy-load assemblies
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Partial threads offer increased shear strength and alignment
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Maintains clamping force under vibration and load
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Resists corrosion and wear in outdoor environments
Compatibility
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Fits select Wright commercial mower models
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Used in structural frame, deck supports, and heavy-load mounting points
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Always verify part number and bolt specifications before installation
How It’s Used
This hex bolt installs into threaded holes or paired with nuts on structural assemblies. The partial threading allows the smooth shank to act as a dowel for alignment or to handle shear loads where threaded shank would be less effective.
Proper installation and torque to manufacturer-specified values help ensure secure fastening and long-term reliability.
Suggested Maintenance
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Inspect bolts during routine equipment service
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Replace if bent, corroded, or with damaged threads
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Tighten to specified torque values
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Use OEM-specified hardware for optimal performance
The Wright 11990160 Hex Bolt, Partial Thread 5/8-11 x 8" Z5 is a robust fastening solution ideal for heavy-duty structural applications where strength, alignment, and durability are essential.
