Imperial Bolt Head Size Chart

Hex bolt lag bolt.

Imperial bolt head size chart.

Definitions of terms are located below the chart. Hex bolt head dimensions. Imperial grades ibf in2 psi metric classes mpa n mm2 l9 180 000 psi high tensile. Bolt diameter head and wrench size.

Class 12 9 1 200 mpa high tensile. Back astm standards bolt head markings bolt head size chart catalogs fastener expert blog fastener glossary imperial vs. Us bolt head wrench size. Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose.

Use the dimensions of your bolt to determine the appropriate size nut. 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. Where l is the total bolt length and d nom is the nominal bolt diameter. The bolt chart provides both us and metric stud sizes.

Metric chart lag screw pilot hole diameters platings finishes solar panel maintenance standards organizations technical faq technical support thread pitch charts videos. Print this page. Sae grade 8 150 000 psi high tensile.