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Description
Ariens Round Head Square Neck Bolt – 3/8"-16 × 1.25" (Genuine Ariens OEM Carriage Bolt)
The Ariens Round Head Square Neck Bolt (3/8"-16 × 1.25") is a genuine OEM carriage bolt designed to securely fasten critical components on compatible Ariens and Gravely lawn mowers, snow blowers, and outdoor power equipment. Featuring a smooth round head and square neck, this bolt locks into place during installation to prevent rotation while tightening, making it ideal for mower decks, blade hardware, guards, brackets, and frame assemblies.
Manufactured from high-strength, heat-treated steel with a corrosion-resistant zinc finish, this 3/8"-16 × 1.25" carriage bolt is built to withstand heavy loads, vibration, moisture, and harsh outdoor conditions. Using a genuine Ariens OEM fastener helps maintain factory safety, reliability, and long-term equipment performance.
Product Details
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Brand: Ariens
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Part Type: Round Head Square Neck Bolt (Carriage Bolt)
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Thread Size: 3/8"-16 UNC
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Length: 1.25 Inches
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Head Style: Round Head
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Neck Type: Square Neck
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Material: Heat-Treated High-Strength Steel
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Finish: Zinc-Plated Corrosion-Resistant Coating
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Installation: Direct OEM Replacement
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OEM Status: Genuine Ariens OEM Part
Key Features
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Genuine Ariens OEM carriage bolt
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Standard 3/8"-16 coarse thread
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1.25-inch overall length
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Square neck prevents bolt rotation during installation
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High-strength heat-treated steel construction
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Corrosion-resistant zinc finish
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Excellent vibration resistance
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Direct replacement with no modifications required
Function
This carriage bolt securely fastens structural and mechanical components while the square neck locks into the mounting surface, preventing the bolt from spinning during installation or removal. It provides reliable clamping force for high-vibration outdoor power equipment.
Compatible Equipment
This 3/8"-16 × 1.25" Ariens carriage bolt is used on numerous Ariens and Gravely machines, including selected:
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Zero-turn mowers
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Riding lawn tractors
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Walk-behind mowers
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Snow blowers (Sno-Thro®)
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Lawn tractors
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Commercial turf equipment
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Other Ariens and Gravely equipment requiring a 3/8"-16 × 1.25" round head square neck bolt
Always verify your equipment model, parts diagram, and original hardware specifications before ordering.
Who Is This For?
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Homeowners
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Commercial landscapers
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Snow removal professionals
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Equipment repair technicians
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Fleet maintenance departments
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Ariens and Gravely equipment owners
Recommended Applications
Ideal for:
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Mower deck assembly
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Blade hardware
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Frame assembly
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Snow blower repairs
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Bracket installation
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Guard mounting
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General OEM hardware replacement
Pros
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Genuine Ariens OEM quality
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Heavy-duty heat-treated steel
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Square neck prevents spinning
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Corrosion-resistant zinc coating
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Excellent vibration resistance
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Factory-correct fit
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Long service life
Cons
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Compatible only with applications requiring a 3/8"-16 × 1.25" carriage bolt
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Should always be paired with the correct OEM nut and washer for maximum holding strength
Comparison – Ariens OEM Carriage Bolt vs Generic Hardware Store Bolts
Genuine Ariens OEM Bolt
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Exact OEM dimensions and thread tolerances
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Premium heat-treated steel
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Corrosion-resistant finish
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Designed specifically for Ariens equipment
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Reliable long-term durability
Generic Replacement Bolt
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May vary in material strength
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Inconsistent thread tolerances
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Lower corrosion resistance
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Potential fitment issues
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Shorter service life in commercial applications
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine Ariens OEM replacement parts trusted by homeowners, commercial landscapers, and professional equipment technicians.
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Genuine OEM Ariens replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Ariens, Gravely, SCAG, Toro, Exmark, Wright, Kawasaki, Kohler, Honda, Briggs & Stratton, Ferris, Hustler, Cub Cadet, John Deere, STIHL, and many other leading outdoor power equipment brands.
