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1860-002
5/8"-11 Square Head Bolts in Hot Dipped Galvanized Steel


Hot Dip Galvanized Square Head Bolts

Square Head Bolts

Hot Dipped Galvanized Steel

Square Head Bolts are similar to Hex Cap screws but have a 4 sided square head instead of a 6 sided hexagonal head. The square head enables an easier wrench grip for tightening and a larger bearing area for gripping. They are commonly referred to as both bolts and screws and are designed to be driven with a wrench. Square Head Bolts are partially threaded with a shoulder beneath the head.

Hot dip galvanizing is a process that adds a layer of corrosion resistance by dipping fabricated steel into a kettle containing molten zinc. The HDG process creates a tightly bonded alloy for superior corrosion resistance and harsh environment applications. HDG products must be used exclusively when applied, meaning that a plain zinc nut or stainless nut cannot be applied to a Hot Dip Galvanized Square Head Bolt.