A325 Structural Bolts
For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796
Available Materials: Plain steel, hot-dip galvanized
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Nominal Size or Basic Bolt Diameter Body Diameter Maximum Body Diameter Minimum Basic Width Across Flats Maximum Width Across Flats Minimum Width Across Flats Maximum Width Across Corners Minimum Width Across Corners Basic Height
1/2     0.5000 0.5150 0.4820 7/8 0.8750 0.8500 1.0100 0.9690 5/16
5/8     0.6250 0.6420 0.6050 1-1/16 1.0620 1.0310 1.2270 1.1750 25/64
3/4     0.7500 0.7680 0.7290 1-1/4 1.2500 1.2120 1.4430 1.3830 15/32
7/8     0.8750 0.8950 0.8520 1-7/16 1.4380 1.3940 1.6600 1.5890 35/64
1       1.0000 1.0220 0.9760 1-5/8 1.6250 1.5750 1.8760 1.7960 39/64
1-1/8    1.1250 1.1490 1.0980 1-13/16 1.8120 1.7560 2.0930 2.0020 11/16
1-1/4    1.2500 1.2770 1.2230 2 2.0000 1.9380 2.3090 2.2090 25/32
1-3/8    1.3750 1.4040 1.3450 2-3/16 2.1880 2.1190 2.5260 2.4160 27/32
1-1/2    1.5000 1.5310 1.4700 2-3/8 2.3750 2.3000 2.7420 2.6220 15/16
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For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796