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5/16", Silicon bronze

US Fasteners, 5/16", Silicon bronze

Hex bolt

Hex bolts

Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.

Machine screw

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.

Carriage bolt

Carriage bolts & Plow bolts

Bolts with no drive and machine threads for use with a nut.

Lag bolt

Lag bolts

Large wood screws technically called lag screws.

Nut

Nuts

Nuts have internal machine threads, for use with machine thread bolts and screws.

Rod & Stock

Studs, Rod & Stock

Studs, threaded rod, unthreaded rod and keystock for industrial, machining and manufacturing applications.