BOSS HDW01771 – 3/8″ x 1-1/4″ Grade 5 Bolt
The BOSS HDW01771 3/8″ x 1-1/4″ Grade 5 Bolt Hex Head Cap Screw is a premium OEM hardware fastener designed for BOSS snowplow assemblies and maintenance tasks. As an authentic BOSS replacement part, this hex head cap screw delivers dependable strength and precision fitment for securing structural components on your snowplow system, ensuring long-lasting performance through demanding winter use.
Manufactured to meet strict BOSS quality standards, the HDW01771 features a 3/8″-16 thread and 1-1/4″ length with Grade 5 construction for exceptional tensile strength and durability. This screw is ideal for applications where a robust, corrosion-resistant fastener is required, including mounting brackets, hinges, and undercarriage hardware on plows and accessories.
Because it’s a genuine BOSS OEM part, the HDW01771 screw offers guaranteed compatibility with your existing BOSS plow hardware and assemblies, helping avoid the fitment challenges that often come with generic aftermarket fasteners. Using the correct BOSS-specified fasteners supports optimal snowplow performance and durability season after season.
Whether you’re replacing worn hardware during routine service or completing a larger repair project, this hex head cap screw delivers reliable fastening power at an affordable price point. Its precision threading and rugged construction ensure smooth installation and secure holding power, even under heavy loads and repeated vibration common in snow-plowing applications.
Key Features & Benefits:
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Genuine BOSS OEM fastener designed for snowplow hardware applications
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3/8″-16 x 1-1/4″ Grade 5 hex head cap screw for high tensile strength
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Durable construction for long-lasting performance in harsh winter conditions
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Ideal for securing structural components, mounts, and brackets on BOSS snowplows
Keep your BOSS snowplow solidly built and ready for winter’s worst with the HDW01771 Grade 5 hex head cap screw — a small part that makes a big difference in reliability.




