• A light rounding of the edges at the periphery of the head shall be permissible provided the diameter of the bearing circle is equal to no less than 90 percent of the specified minimum head diameter.
  • Where specifying nominal size in decimals, zeros preceding the decimal and in the fourth decimal place shall be omitted.
  • Formulas for head dimensions are given in Appendix.
Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Slotted Cap Screws

Unit of Measure

N/A English

Nominal Size or Basic Screw Dia.

N/A 5/8 in
Nominal Size or Basic Screw Dia. (Decimal)1 N/A 0.6250 in

Max. Body Dia. (E)

N/A 0.6250 in

Min. Body Dia. (E)

N/A 0.6170 in

Max. Head Dia. (A)

N/A 0.875 in

Min. Head Dia. (A)

N/A 0.853 in

Max. Head Side Height (H)

N/A 0.422 in

Min. Head Side Height (H)

N/A 0.391 in

Max. Total Head Height (O)

N/A 0.521 in

Min. Total Head Height (O)

N/A 0.478 in

Max. Slot Width (J)

N/A 0.133 in

Min. Slot Width (J)

N/A 0.116 in

Max. Slot Depth (T)

N/A 0.239 in

Min. Slot Depth (T)

N/A 0.189 in

Max. Fillet Radius (U)

N/A 0.062 in

Min. Fillet Radius (U)

N/A 0.031 in

Codes and Standards

Codes and Standards

N/A ASME B18.6.2 1998
  • 1 Where specifying nominal size in decimals, zeros preceding and in the fourth decimal, place shall be omitted.
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