Imperial Bolt Head Size Chart

Hex bolt lag bolt.

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. Hex bolt head dimensions. Where l is the total bolt length and d nom is the nominal bolt diameter. Back astm standards bolt head markings bolt head size chart catalogs fastener expert blog fastener glossary imperial vs.

The bolt chart provides both us and metric stud sizes. Metric stud bolt to nut size chart. 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. Bolt diameter head and wrench size.

Class 12 9 1 200 mpa high tensile. Sae grade 8 150 000 psi high tensile. The chart below shows metric bolt conversions and din numbers for fasteners. Metric bolt conversion data for industrial bolts rods machine screws and small diameter fasteners from elgin fastener group includes metric to standard bolt conversions.

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