Imperial Bolt Head Size Chart
Definitions of terms are located below the chart.
Imperial bolt head size chart. Metric chart lag screw pilot hole diameters platings finishes solar panel maintenance standards organizations technical faq technical support thread pitch charts videos. Where l is the total bolt length and d nom is the nominal bolt diameter. Metric bolt conversion data for industrial bolts rods machine screws and small diameter fasteners from elgin fastener group includes metric to standard bolt conversions. Hex bolt lag bolt.
The bolt chart provides both us and metric stud sizes. Back astm standards bolt head markings bolt head size chart catalogs fastener expert blog fastener glossary imperial vs. The chart below shows metric bolt conversions and din numbers for fasteners. The following table of hex bolt head dimensions was adapted from asme b18 6 3 table 29 dimensions of plain unslotted and slotted regular and large hex head screws this table is used for smaller size hardware.
Use the dimensions of your bolt to determine the appropriate size nut. Hex bolt head dimensions. Bolt diameter head and wrench size. Print this page.
Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. Us bolt head wrench size. Sae grade 8 150 000 psi high tensile.