![M4 x 6mm 4 x 6 Black Inner Hex Cap Socket Screw x 10](http://www.bspspares.co.uk/cdn/shop/products/100_0176_77e38757-98e3-4c39-9cb1-aac8f46a3555_large.jpeg?v=1408543544)
M4 x 6mm 4 x 6 Black Inner Hex Cap Socket Screw x 10
Black Inner Hex Cap Screws - measurement format: diameter thread x long thread (note: measurements repeated in twice in title) - Hardness rating - 12.9 - Space to fit 3mm allen key in screw head. Note: Picture used for illustration screw may arrive longer or shorter than that shown.
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