Item Type: Hex Screw_x000D_ _x000D_ Screw Model: Approx. _x000D_ M3 x 8mm / 0.31in; M3 x 12mm / 0.47in; M3 x 16mm / 0.63in; M3 x 20mm / 0.79in _x000D_ M4 x 8mm / 0.31in; M4 x 12mm / 0.47in; M4 x 16mm / 0.63in; M4 x 20mm / 0.79in_x000D_ M5 x 8mm / 0.31in; M5 x 12mm / 0.47in; M5 x 16mm / 0.63in; M5 x 20mm / 0.79in_x000D_ M6 x 8mm / 0.31in ; M6 x 12mm / 0.47in; M6 x 16mm / 0.63in; M6 x 20mm / 0.79in_x000D_ Screw Size: _x000D_ Screw ModelM3M4M5M6_x000D_ Thread Diameter(Approx.)3mm / 0.12in4mm / 0.16in5mm / 0.2in6mm / 0.24in_x000D_ Pitch(Approx.)0.5mm / 0.02in0.7mm / 0.028in0.8mm / 0.03in1.0mm / 0.04in_x000D_ Head Diameter(Approx.)5.7mm / 0.22in7.5mm / 0.3in9.5mm / 0.37in10.5mm / 0.41in_x000D_ Head Height(Approx.)1.65mm / 0.06in2.2mm / 0.09in2.75mm / 0.11in3.3mm / 0.13in_x000D_ Wrench Size(Approx.)2mm / 0.08in2.5mm / 0.1in3mm / 0.12in4mm / 0.16in_x000D_ _x000D_ Thin Half Lock Nut Model: M3, M4, M5, M6_x000D_ Half Lock Hex Nut ModelThread Diameter(Approx.)Pitch(Approx.)Nut Height(Approx.)Wrench Size(Approx.)_x000D_ M33mm / 0.12in0.5mm / 0.02in1.8mm / 0.07in5.5mm / 0.22in_x000D_ M44mm / 0.16in0.7mm / 0.028in2.2mm / 0.09in7mm / 0.28in_x000D_ M55mm / 0.2in0.8mm / 0.03in2.7mm / 0.11in8mm / 0.31in_x000D_ M66mm / 0.24in1.0mm / 0.04in3.2mm / 0.13in10mm / 0.39in_x000D_ _x000D_ Washer Model: M3, M4, M5, M6_x000D_ Washer ModelThickness(Approx.)ID(Approx.)OD(Approx.)_x000D_ M30.5mm / 0.02in3.2mm / 0.13in7mm / 0.28in_x000D_ M40.8mm / 0.03in4.3mm / 0.17in9mm / 0.35in_x000D_ M51.0mm / 0.04in5.3mm / 0.21in10mm / 0.39in_x000D_ M61.6mm / 0.06in6.4mm / 0.25in12mm / 0.47in_x000D_ _x000D_ Product Material: Carbon Steel_x000D_ Product Operation Standard: ISO7380