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5/16x2-1/2 UNC Hex Set Screw Stainless Grade 304

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    ​​Terms and Conditions
     

    Internal Reference: SET516U212SS

    5/16x2-1/2 UNC Hex Set Screw Stainless Grade 304 ​

    • ANSI B18.2.1
    • Hex Head
    • Fully Threaded
    • Unified Coarse Thread
    • A2 70
    • 304 Stainless Steel


    		MinimumMaximum
    Threads per inch18 tpi
    D - Body diameter5/16"
    		0.3065
    		0.3125
    f - Across flats 1/2"
    		0.48900.5000
    h - Across corners ​

    		 0.5770
    T - Head thickness ​
    		0.19500.2110
    L - Overall length 2 1/2"
    		​

    ** All dimensions are in inches

    Hex Set Screws is the term used for what is effectively a fully threaded hexagon head bolt which doesn't contain a shank (plain or unthreaded section). Although set screws can be used with a nut, typically they will be used in applications where they are threaded directly into something containing a matching pre-threaded hole such as a machinery component. The hex head set screw is designed to be tightened/removed with a suitably fitted wrench, spanner, socket or other hex driver.