Countersunk Bolts

Countersunk Bolts used when a flat surface is needed, usually in securing steel plates to a roadway or bridge deck during rehabilitation, railings, etc. Melted and manufactured in the U.S.A. with full mill cert traceability. Available with aCountersunk Bolt Dimension Drawing - Haydon Bolts Inc Socket or Flat Head.

Finish: Plain, Hot Dip Galv or Mechanically Galvanized

 

A449 – blanks                                                         304 Stainless Steel – blanks

3/4″ X 4″ & 6″                                                          3/4″ X 4″ & 6″

7/8″ X 4″, 6″ & 9″

1″ X 4″, 6″ & 9″

Haydon keeps blanks in stock to cut down and thread as per your specification for a quick turn around. If you don’t see your size or material listed above let us know, we can manufacture countersunk bolts in A449, 304 Stainless Steel, A325-3 as well as other material grades.

Counter Sunk Bolt Dimensions

Bolt DiaBody DiaHead Dia(F)Head Height (H)Degree of Slope
Dimensions per ASME B18.5 1990 (R 1998)
(D)MaxMax Edge SharpMin Edge SharpAbsolute Min RoundedMaxMin
1/20.5150.9350.9050.8450.2690.23378° to 82°
5/80.6421.1691.1321.0660.3360.29278° to 82°
3/40.7681.4021.3571.2850.4030.34978° to 82°
7/80.8951.6371.5841.5110.470.40878° to 82°
11.0221.8691.811.7350.5370.46678° to 82°
1-1/81.1492.1042.0371.9620.6040.52578° to 82°
1-1/41.2772.3372.2622.1870.6710.58278° to 82°
1-3/81.4042.5712.4892.4140.7380.64178° to 82°
1-1/21.5312.8042.7152.640.8050.69878° to 82°

 

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    FAX: 215-537-5569
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