M17 M2 M23 M26 M3 M35 M4 M5 M6 88 Grade Black Carbon Steel Cap Allen Head Inner Hex Hexagon Socket Self Tapping Screw M1.7 M2 M2.3 M2.6 M3 M3.5 M4 8.8 Grade Black Carbon Steel Audio Model Cap Allen Head Inner Hex Hexagon Socket Self Tapping Screw _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Measurement Allows Error,Please According To The Real Object Unit:mm _x000D_ _x000D_ _x000D_ Norminal Diameter d _x000D_ dk _x000D_ k _x000D_ S _x000D_ _x000D_ _x000D_ max _x000D_ min _x000D_ max _x000D_ min _x000D_ Normail _x000D_ max _x000D_ min _x000D_ _x000D_ _x000D_ M2 _x000D_ 3.98 _x000D_ 3.62 _x000D_ 2.00 _x000D_ 1.86 _x000D_ 1.5 _x000D_ 1.580 _x000D_ 1.520 _x000D_ _x000D_ _x000D_ M2.5 _x000D_ 4.68 _x000D_ 4.32 _x000D_ 2.50 _x000D_ 2.36 _x000D_ 2 _x000D_ 2.280 _x000D_ 2.020 _x000D_ _x000D_ _x000D_ M3 _x000D_ 5.68 _x000D_ 5.32 _x000D_ 3.00 _x000D_ 2.86 _x000D_ 2.5 _x000D_ 2.580 _x000D_ 2.520 _x000D_ _x000D_ _x000D_ M3.5 _x000D_ 6.22 _x000D_ 6.32 _x000D_ 3.50 _x000D_ 3.36 _x000D_ 3 _x000D_ 2.780 _x000D_ 2.520 _x000D_ _x000D_ _x000D_ M4 _x000D_ 7.22 _x000D_ 6.78 _x000D_ 4.00 _x000D_ 3.82 _x000D_ 3.5 _x000D_ 3.080 _x000D_ 3.020 _x000D_ _x000D_ _x000D_ M5 _x000D_ 8.72 _x000D_ 8.28 _x000D_ 5.00 _x000D_ 4.82 _x000D_ 4 _x000D_ 4.095 _x000D_ 4.020 _x000D_ _x000D_ _x000D_ M6 _x000D_ 10.22 _x000D_ 9.78 _x000D_ 6.00 _x000D_ 5.70 _x000D_ 5 _x000D_ 5.140 _x000D_ 5.020 _x000D_ _x000D_ _x000D_ _x000D_ 5 _x000D_ _x000D_ 5 _x000D_ _x000D_ _x000D_ _x000D_ _x000D_