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5/16" x 1", US, 316

US Fasteners, 5/16" x 1", 316

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.

Socket product

Socket screws

Screws with an Allen wrench drive.

Set screw

Set screws

Screws with no head and machine threads for use in a tapped hole.

Nut

Nuts

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