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US Hex Bolts - Metric

ANSI/ASME B18.2.3M Dimensions of Hex Bolts - Metric units.

hex bolt

US Hex Bolts - Metric
Nominal Size
Body Diameter (mm) Width Across Flats
M5 x 0.8 5 4.82 8
M6 x 1 6 5.82 10
M8 1.25 8 7.78 13
M10 x 1.5 10 9.78 15
M10 x 1.5 10 9.78 15
M12 x 1.75 12 11.73 16
M14 x 2 14 13.73 21
M16 x 2 16 15.73 24
M20 x 2.5 20 19.67 30
M24 x 3 24 23.67 36
M30 x 3.5 30 29.67 46

ASME/ANSI B18.2.3.1M Metric Hex Cap Screws

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  • Fasteners

    Bolts, nuts and threaded rods - torque, tension and loads.

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