All measurements in millimeters nominal size d body diameter head thickness across the flats across corners d max d min h max h min f max f min c max c min m10 10 00 9 78 6 63 6 17 17 00 15 73 18 48 17 77 m12 12 00 11 73 7 76 4 24 19 00 17 73 20 78 20 03 m14 14 00 13 73 9 09.
Bolt head size chart metric.
Use the dimensions of your bolt to determine the appropriate size nut.
The chart below shows metric bolt conversions and din numbers for fasteners.
Definitions of terms are located below the chart.
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Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose.
The bolt chart provides both us and metric stud sizes.
Length is measured from under the head to the end of the bolt note.
Metric bolt conversion metric bolt conversion data for industrial bolts rods machine screws and small diameter fasteners from elgin fastener group includes metric to standard bolt conversions.
Head sizes may differ from what is shown due to differences between metric standards length.
Metric stud bolt to nut size chart.
Us bolts head and wrench sizes hex bolt lag bolt square bolt and heavy hex bolt us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units.