Square Head Bolts

Rolled Threads

Nominal Width A/F Width A/F Width A/C Width A/C Height Height TPI MFL
Diameter Max Min Max Min Max Min LBS
3/8 0.562 0.544 0.795 0.747 0.268 0.232 16 4250
1/2 0.750 0.725 1.061 0.995 0.348 0.308 13 7800
5/8 0.938 0.906 1.326 1.244 0.444 0.400 11 12400
3/4 1.125 1.088 1.591 1.494 0.524 0.476 10 18350
7/8 1.312 1.269 1.856 1.742 0.620 0.568 9 25400
1 1.500 1.450 2.121 1.991 0.684 0.628 8 33500
Length of bolt Thread length
Upto and including 8″ 3”
Over and including 12″ 4”
Over 12″ 6”
  1. Square bolts supplied complete with one square nut unless otherwise specified
  2. Washers ( round and spring ) can be supplied if specified at additional cost
  3. All ferrous parts hot dip galvanized to ASTM A153
  4. Square bolts and nuts confirm to requirement of ANSI C135.1

NOTE:
Other sizes available on request
All dimensions in mm / inches * We reserve the right to change design & construction without prior notice

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