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External hex

  • Hex head

    Sheet metal screws

    Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass or wood.

  • 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.

  • Flange bolts

    Flange bolts

    Flange bolts have a flange on the bottom of the head that distributes the load like a washer.

  • Machine screws hex washer head

    Machine screws

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

  • Lag bolt

    Lag bolts

    Large wood screws technically called lag screws.

  • Roofing screws

    Roofing screws

    Screws designed to be used in metal roofing applications and are available in a variety of colors.

  • Simpson® SDWH Timber hex HDG screws

    Deck screws & Timber screws

    Screws for wood to wood fastening applications such as decks, docks and ledgers, etc.

  • Anchors

    Anchoring products

    Fasteners for anchoring in stone, concrete, brick and drywall, etc.

  • Assortments

    Assortments

    Fastener assortments in U.S. Sizes.