Bolt Head Size

Bolt diameter head and wrench size.

Bolt head size.

Where l is the total bolt length and d nom is the nominal bolt diameter. Hex bolt head dimensions. Have a question about bolt diameters and head sizes. But neither the external threads of the bolt nor the internal threads of the nut are exactly 500 in diameter.

Us bolts head and wrench sizes hex bolt lag bolt square bolt and heavy hex bolt. Us machine screws dimensions machine screw diameters. Hex bolt lag bolt. Bolt diameter mm head wrench size mm ansi iso din.

0 030 for sizes up to 1 2 0 050 for sizes 5 8 and 3 4. Hours 7am 3 30pm mon fri. Click here to download a printable pdf chart of this bolt head size chart. Body diameter there may be a reasonable swell or fin under the head or die seam on the body not to exceed the basic bolt diameter by the following.

Nominal diameter is more of a label than a size. For example a bolt and nut may be described as being diameter. Fasteners bolts nuts and threaded rods torque tension and loads. Contact us for the answers you need.

Bolt measurements can be calculated in millimeters or inches but bolt measurements specified in inches are international. In fact the bolt diameter is a little smaller and the nut diameter a little larger. 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. Metric bolt head wrench size.

Lubricated bolts and reduced torque lubrication. Print this page. Manufacturers specify a bolt s size by indicating its diameter thread pitch shank length grade head and thread length. Us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units.

Miscellaneous engineering related topics like beaufort wind scale ce marking drawing standards and more. Us bolt head wrench size. This means that should you ask for a 1 2 inch x 12 x 4 inch grade 2 hex bolt head with a 1 inch. Make a payment terms conditions.

The following table of hex bolt head dimensions was adapted from asme b18 6 7m table 14 dimensions of hex head machine screws this table is used for smaller size hardware.