OVERVIEW & BENEFITS
These 18-8 Stainless Steel Serrated Flange Nuts in 3/8"-16 thread size are designed for secure, vibration-resistant fastening without the need for a separate washer. The integrated serrated flange grips the surface to prevent loosening, making these nuts ideal for equipment exposed to movement, torque, and vibration.
Constructed from corrosion-resistant 18-8 stainless steel, these flange nuts resist rust, moisture, and chemicals—perfect for outdoor, marine, industrial, pressure washer, and softwash applications. Key Features
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Made from corrosion-resistant 18-8 stainless steel
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Serrated flange provides vibration resistance and prevents loosening
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3/8"-16 coarse thread fits standard bolts and studs
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Eliminates the need for a separate washer
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Excellent for high-vibration or load-bearing applications
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Ideal for outdoor, marine, and chemical-exposed environments
Product Specs
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Material: 18-8 Stainless Steel (AISI 304)
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Thread Size: 3/8"-16 (Coarse thread)
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Nut Type: Serrated flange nut
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Standards: Meets ANSI/ASME B18.16.4
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Applications: Softwash rigs, pressure washer builds, trailers, fabrication, marine hardware, construction equipment, industrial machinery
Perfect For
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Pressure washing & softwash equipment
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Trailer frame and rig fabrication
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Marine and outdoor machinery
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Automotive, small engine, and industrial repair
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Anywhere vibration-resistant fastening is required
These serrated flange nuts offer superior holding power and corrosion resistance—perfect for demanding environments where fasteners must stay tight.