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Description
11990213 – Wright Carriage Bolt 1/2-13 x 3 1/2" Z8 (Genuine OEM Part)
The Wright 11990213 is a genuine OEM carriage bolt designed for secure, vibration-resistant fastening on compatible Wright commercial mowers and outdoor power equipment. Featuring a 1/2-13 thread size, 3 1/2-inch length, and a Z8 corrosion-resistant finish, this carriage bolt is ideal for structural and deck mounting applications where a smooth, rounded head and anti-rotation performance are required.
Manufactured to Wright’s original equipment specifications, this bolt includes a square shoulder beneath the head that locks into square holes or mating slots, preventing rotation during installation and ensuring dependable clamping force in high-stress environments.
Product Details
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Manufacturer Part Number: 11990213
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Brand: Wright
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Part Type: Carriage Bolt
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Thread Size: 1/2-13
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Length: 3 1/2 inches
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Finish: Z8 corrosion-resistant coating
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System: Fastening hardware
Function
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Provides secure fastening with a smooth, domed head
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Square shoulder locks into place to prevent rotation
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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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Commonly used in structural and subassembly locations
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Always verify part number and bolt specifications before installation
How It’s Used
This carriage bolt installs into square holes or slots where its square shoulder seats securely, preventing rotation as the nut is tightened. It’s commonly used where a flush, rounded head and anti-rotation performance are required in structural assemblies.
Proper torque to Wright specifications ensures secure assembly and long-term reliability.
Suggested Maintenance
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Inspect carriage bolts during routine service
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Replace if bent, corroded, or with damaged threads
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Ensure the shoulder seats properly to prevent rotation
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Use OEM-specified hardware for optimal performance
The Wright 11990213 Carriage Bolt 1/2-13 x 3 1/2" Z8 is a dependable fastening solution for structural and deck mounting applications where strength and vibration resistance are essential.
