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while the carriage head offers a finished appearance
The bolt has a hex head for easy driving and a flange head for added strength
The ribbed neck design provides additional grip and prevents the bolt from loosening under vibration or stress
which provides excellent protection against rust and corrosion
It is designed to be used with 1/4-20 bolts and has a grade 5 strength rating
3/8 USS Flat Washer Black Zinc NHHP while the carriage head offersThe 3 8 USS Flat Washer Black Zinc is a versatile and durable washer designed to distribute the load of a fastener evenly over a surface. Its black zinc coating provides excellent corrosion resistance, making it suitable for use in a variety of applications, including automotive, construction, and manufacturing. The washer's flat design ensures a flush fit against the surface, preventing the fastener from sinking into the material. Made from high
