Size 4-40 - Type 316 Stainless Phillips Flat Head Machine Screws

The length of a flat head screw is determined by measuring from the top of the head to the end of the screw (the whole screw). Type 316 stainless steel has a superior resistance to rust and corrosion and is a must for any salt or chlorine water applications. Click on each size below for more information.

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  • Machine Screw Phillips Drive Flat Head 4-40 x 1/4" Type 316 Stainless

    Machine Screw Phillips Drive Flat Head 4-40 x 1/4" Type 316 Stainless
    $0.06 USD
    • 100 or more for $0.05 ea
    • 1000 or more for $0.04 ea

  • Machine Screw Phillips Drive Flat Head 4-40 x 5/16" Type 316 Stainless

    Machine Screw Phillips Drive Flat Head 4-40 x 5/16" Type 316 Stainless
    $0.06 USD
    • 100 or more for $0.05 ea
    • 1000 or more for $0.04 ea

  • Machine Screw Phillips Drive Flat Head 4-40 x 3/8" Type 316 Stainless

    Machine Screw Phillips Drive Flat Head 4-40 x 3/8" Type 316 Stainless
    $0.07 USD
    • 100 or more for $0.06 ea
    • 1000 or more for $0.05 ea

  • Machine Screw Phillips Drive Flat Head 4-40 x 1/2" Type 316 Stainless

    Machine Screw Phillips Drive Flat Head 4-40 x 1/2" Type 316 Stainless
    $0.07 USD
    • 100 or more for $0.06 ea
    • 1000 or more for $0.04 ea