Bolt Head Size

Nominal diameter is more of a label than a size.

Bolt head size.

For example a bolt and nut may be described as being diameter. Hex bolt lag bolt. Make a payment terms conditions. Bolt diameter head and wrench size.

Hours 7am 3 30pm mon fri. 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. But neither the external threads of the bolt nor the internal threads of the nut are exactly 500 in diameter. In fact the bolt diameter is a little smaller and the nut diameter a little larger.

Manufacturers specify a bolt s size by indicating its diameter thread pitch shank length grade head and thread length. Lubricated bolts and reduced torque lubrication. Bolt measurements can be calculated in millimeters or inches but bolt measurements specified in inches are international. Contact us for the answers you need.

Miscellaneous engineering related topics like beaufort wind scale ce marking drawing standards and more. 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. Us bolts head and wrench sizes hex bolt lag bolt square bolt and heavy hex bolt. 0 030 for sizes up to 1 2 0 050 for sizes 5 8 and 3 4.

Metric bolt head wrench size. Us machine screws dimensions machine screw diameters. Hex bolt head dimensions. Print this page.

Where l is the total bolt length and d nom is the nominal bolt diameter. 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. 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. Us hex bolts inches ansi asme b18 2 1 dimensions of hex bolts imperial units.

Click here to download a printable pdf chart of this bolt head size chart. Have a question about bolt diameters and head sizes. Fasteners bolts nuts and threaded rods torque tension and loads. Cast iron flanges stud reference chart the number diameter and length of studs for cast iron flanges class 125 and 250.

Bolt diameter mm head wrench size mm ansi iso din.