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$81.74
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$176.99
93410482
$28.99
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71490003
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71490002
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71460219
$56.99
71460216
$128.99
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71460212
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$144.99
71460189
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71460183
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71460071
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71460010
$54.99
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$21.99
71410039
$457.99
53490073
$38.99
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- 11990166 – Wright Carriage Bolt 1/2-13 x 7" Z5 (Genuine OEM Part)
Description
11990166 – Wright Carriage Bolt 1/2-13 x 7" Z5 (Genuine OEM Part)
The Wright 11990166 is a genuine OEM carriage bolt engineered to provide secure, vibration-resistant fastening for compatible Wright commercial mowers and outdoor power equipment. Featuring a 1/2-13 thread size and 7-inch length, this bolt is ideal for structural frame, deck, and suspension mounting applications where a smooth, rounded head and anti-rotation performance are required.
Manufactured to Wright’s original equipment specifications, this carriage bolt is made from hardened steel with a Z5 corrosion-resistant finish to stand up to moisture, vibration, and rugged outdoor use. The square shoulder under the head seats into square holes or mating slots, preventing bolt rotation during assembly.
Product Details
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Manufacturer Part Number: 11990166
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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: 7 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 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 frame, deck, or mounting 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 mating slots where its square shoulder seats securely, preventing rotation as the nut is tightened. It is commonly used where a flush, rounded head and stable anti-rotation performance are required.
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 shoulder seats properly to prevent rotation
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Use OEM-specified hardware for best performance
The Wright 11990166 Carriage Bolt 1/2-13 x 7" Z5 is a trusted fastening solution for demanding structural and deck mounting applications where strength and anti-rotation capability are essential.
