Type 316 Stainless Socket Head Bolts - Size 5/16-18

Length is measured from underneath the head. Longer bolts won't be fully threaded. Type 316 stainless steel has superior resistance to rust and corrosion and is essential for chemical, salt water or coastal environments. Select the size below for more information.

NOTE: The pictures below are stock photos. They do not represent the individual sizes. Select the specific size for more details. 
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  • Socket Cap 5/16-18 x 1/2" Type 316 Stainless

    Socket Cap 5/16-18 x 1/2" Type 316 Stainless
    $0.44 USD
    • 50 or more for $0.41 ea
    • 500 or more for $0.35 ea

  • Socket Cap 5/16-18 x 5/8" Type 316 Stainless

    Socket Cap 5/16-18 x 5/8" Type 316 Stainless
    $0.48 USD
    • 50 or more for $0.45 ea
    • 500 or more for $0.39 ea

  • Socket Cap 5/16-18 x 3/4" Type 316 Stainless

    Socket Cap 5/16-18 x 3/4" Type 316 Stainless
    $0.53 USD
    • 50 or more for $0.51 ea
    • 500 or more for $0.43 ea

  • Socket Cap 5/16-18 x 1" Type 316 Stainless

    Socket Cap 5/16-18 x 1" Type 316 Stainless
    $0.63 USD
    • 50 or more for $0.59 ea
    • 500 or more for $0.5 ea

  • Socket Cap 5/16-18 x 1-1/4" Type 316 Stainless

    Socket Cap 5/16-18 x 1-1/4" Type 316 Stainless
    $0.72 USD
    • 50 or more for $0.68 ea
    • 500 or more for $0.58 ea

  • Socket Cap 5/16-18 x 1-1/2" Type 316 Stainless

    Socket Cap 5/16-18 x 1-1/2" Type 316 Stainless
    $0.81 USD
    • 50 or more for $0.78 ea
    • 500 or more for $0.66 ea

  • Socket Cap 5/16-18 x 1-3/4" Type 316 Stainless

    Socket Cap 5/16-18 x 1-3/4" Type 316 Stainless
    $0.89 USD
    • 50 or more for $0.86 ea
    • 500 or more for $0.73 ea

  • Socket Cap 5/16-18 x 2" Type 316 Stainless

    Socket Cap 5/16-18 x 2" Type 316 Stainless
    $1.09 USD
    • 50 or more for $0.99 ea
    • 500 or more for $0.89 ea

  • Socket Cap 5/16-18 x 2-1/2" Type 316 Stainless

    Socket Cap 5/16-18 x 2-1/2" Type 316 Stainless
    $1.25 USD
    • 50 or more for $1.19 ea
    • 500 or more for $1.04 ea

  • Socket Cap 5/16-18 x 2-3/4" Type 316 Stainless

    Socket Cap 5/16-18 x 2-3/4" Type 316 Stainless
    $1.40 USD
    • 100 or more for $1.35 ea

  • Socket Cap 5/16-18 x 3" Type 316 Stainless

    Socket Cap 5/16-18 x 3" Type 316 Stainless
    $1.45 USD
    • 250 or more for $1.25 ea
    • 50 or more for $1.35 ea

  • Socket Cap 5/16-18 x 3-1/2" Type 316 Stainless

    Socket Cap 5/16-18 x 3-1/2" Type 316 Stainless
    $1.80 USD
    • 250 or more for $1.65 ea
    • 50 or more for $1.75 ea

  • Socket Cap 5/16-18 x 4" Type 316 Stainless

    Socket Cap 5/16-18 x 4" Type 316 Stainless
    $2.50 USD
    • 250 or more for $2.3 ea
    • 50 or more for $2.4 ea

  • Socket Cap 5/16-18 x 4-1/2" Type 316 Stainless

    Socket Cap 5/16-18 x 4-1/2" Type 316 Stainless
    $3.50 USD

    Discounts are available for selected products only!

  • Socket Cap 5/16-18 x 5" Type 316 Stainless

    Socket Cap 5/16-18 x 5" Type 316 Stainless
    $3.60 USD

    Discounts are available for selected products only!

  • Socket Cap 5/16-18 x 6" Type 316 Stainless

    Socket Cap 5/16-18 x 6" Type 316 Stainless
    $3.75 USD

    Discounts are available for selected products only!