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 / 5/8" UNC Socket Cap Head Screws (ANSI B18.3) - 12.9 High Tensile Steel 5/8" 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" 2 1/2" 2 1/4" 2 3/4" 2" 3" Thread Diameter 5/8" UNC Apply filters Clear filters Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 8 Products Filter Sort 5/8" UNC x 1 1/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £1.95 5/8" UNC x 1 1/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £1.95 View Product Add to cart Quickview 5/8" UNC x 1 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.06 5/8" UNC x 1 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.06 View Product Add to cart Quickview 5/8" UNC x 1 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.56 5/8" UNC x 1 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.56 View Product Add to cart Quickview 5/8" UNC x 2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £3.19 5/8" UNC x 2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £3.19 View Product Add to cart Quickview 5/8" UNC x 2 1/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.42 5/8" UNC x 2 1/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.42 View Product Add to cart Quickview 5/8" UNC x 2 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.27 5/8" UNC x 2 1/2" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.27 View Product Add to cart Quickview 5/8" UNC x 2 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.25 5/8" UNC x 2 3/4" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £2.25 View Product Add to cart Quickview 5/8" UNC x 3" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £3.01 5/8" UNC x 3" Socket Cap Head Screws (ANSI B18.3) - High Tensile Steel 12.9 Self Colour £3.01 View Product Add to cart Quickview