Home / Screws, Nuts & Washers / Socket Screws / Socket Cap Head Screws / UNC Socket Cap Screws - ANSI B18.3 / 12.9 High Tensile Steel - UNC Socket Cap Head Screws / 5/16" UNC Socket Cap Head Screws (ANSI B18.3) - 12.9 High Tensile Steel 5/16" UNC Socket Cap Head Screws (ANSI B18.3) - 12.9 High Tensile Steel Filters: Length Excluding the Head 1 1/2" 1 1/4" 1 3/4" 1" 1/2" 2" 3/4" Thread Diameter 5/16" UNC Apply filters Clear filters Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 7 Products Filter Sort 5/16" UNC x 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.58 5/16" UNC x 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.58 View Product Add to cart Quickview 5/16" UNC x 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.49 5/16" UNC x 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.49 View Product Add to cart Quickview 5/16" UNC x 1" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.56 5/16" UNC x 1" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.56 View Product Add to cart Quickview 5/16" UNC x 1 1/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.82 5/16" UNC x 1 1/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.82 View Product Add to cart Quickview 5/16" UNC x 1 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.76 5/16" UNC x 1 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.76 View Product Add to cart Quickview 5/16" UNC x 1 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.53 5/16" UNC x 1 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.53 View Product Add to cart Quickview 5/16" UNC x 2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.88 5/16" UNC x 2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £0.88 View Product Add to cart Quickview
