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ASME B18.9 No 4 Square Head Countersunk Repair Head

Dimensions of ASME B18.9 No 4 Square Head Countersunk Repair Head Plow Bolts

Dimensions of ASME B18.9 No 4 Square Head Countersunk Repair Head Plow Bolts

Nominal or Basic Bolt Diameter, DDiameter of Full Size Body, EWidth of Head, AMaximum Feed Thickness, F
MaxMinBasicMinMax
5/160.3120.29933/640.5160.5310.02
3/80.3750.3641/640.6410.6560.025
7/160.4380.42145/640.7030.7180.03
1/20.50.43849/640.7660.7810.035
9/160.5920.54457/640.8910.9220.04
5/80.6570.60661/640.9530.9840.04
3/40.7820.7291 5/641.0781.1090.04
7/80.9380.8531 17/541.2661.2970.04
11.0620.9761 29/541.4531.4840.04

Notes :

  • Where specifying nominal size in decimals, zeros preceding the decimals and in the fourth decimal place shall be omitted.
  • The letter “R” shall be shown on top of the repair head to distinguish it from the regular head bolt.