Bolt Head Size

Hex bolt lag bolt.

Bolt head size.

For example a bolt and nut may be described as being diameter. Us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units. Hex bolt head dimensions. Fasteners bolts nuts and threaded rods torque tension and loads.

In fact the bolt diameter is a little smaller and the nut diameter a little larger. Where l is the total bolt length and d nom is the nominal bolt diameter. Us hex bolts metric ansi asme b18 2 3m dimensions of hex bolts metric units. But neither the external threads of the bolt nor the internal threads of the nut are exactly 500 in diameter.

Click here to download a printable pdf chart of this bolt head size chart. 0 030 for sizes up to 1 2 0 050 for sizes 5 8 and 3 4. Have a question about bolt diameters and head sizes. Bolt diameter head and wrench size.

Print this page. Cast iron flanges stud reference chart the number diameter and length of studs for cast iron flanges class 125 and 250. Contact us for the answers you need. Bolt measurements can be calculated in millimeters or inches but bolt measurements specified in inches are international.

Hours 7am 3 30pm mon fri. Lubricated bolts and reduced torque lubrication. Make a payment terms conditions. 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.

Print this page. Miscellaneous engineering related topics like beaufort wind scale ce marking drawing standards and more. Nominal diameter is more of a label than a size. Us bolt head wrench size.

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. 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. Us machine screws dimensions machine screw diameters.

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.