Bolt Head Size Vs Diameter

Nominal diameter is more of a label than a size.

Bolt head size vs diameter.

Print this page. Print this page. For example a bolt and nut may be described as being diameter. But neither the external threads of the bolt nor the internal threads of the nut are exactly 500 in diameter.

Bolt diameter mm head wrench size mm ansi iso din. Bolt diameter head and wrench size. 23 section 6 appendix 12 21 01 rcr15 series rotary cutters 312 556m land pride section 6 appendix torque values chart for common bolt sizes in tpi1 n m2 ft lb3 n m ft lb n m ft lb mm x pitch4 n m ft lb n m ft lb n m ft lb 1 4 20 7 4 5 6 11 8 16 12 8 436597. 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.

0 030 for sizes up to 1 2 0 050 for sizes 5 8 and 3 4 0 060 for sizes over 3 4 to 1 1 4 0 090 for sizes over 1 1 4 to 2 0 120 for sizes over 2 to 3 reduced diameter body bolts may. Cast iron flanges stud reference chart the number diameter and length of studs for cast iron flanges class 125 and 250. Metric bolts head and wrench sizes ansi so din and jis bolts. 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.

Manufacturers specify a bolt s size by indicating its diameter thread pitch shank length grade head and thread length. Where l is the total bolt length and d nom is the nominal bolt diameter. Hex bolt head dimensions. Hex bolt lag bolt square bolt heavy hex bolt 6.

5 16 1 4 7 16 or 3 8 5 16 1 2 3 8 9 16 7 16 5 8. Metric chart lag screw pilot hole diameters platings finishes solar panel maintenance standards organizations technical faq technical support thread pitch charts videos. Back astm standards bolt head markings bolt head size chart catalogs fastener expert blog fastener glossary imperial vs. Hex bolt lag bolt square bolt heavy hex bolt 6.

Us bolt head wrench size. Lubricated bolts and reduced torque lubrication effect on bolt tension and torque. Bolt diameter head and wrench size. Bolt measurements can be calculated in millimeters or inches but bolt measurements specified in inches are international.