• 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 1 in
Nominal Size or Basic Screw Dia. (Decimal)1 N/A 1.0000 in

Max. Body Dia. (E)

N/A 1.0000 in

Min. Body Dia. (E)

N/A 0.9900 in

Max. Head Dia. (A)

N/A 1.312 in

Min. Head Dia. (A)

N/A 1.282 in

Max. Head Side Height (H)

N/A 0.656 in

Min. Head Side Height (H)

N/A 0.612 in

Max. Total Head Height (O)

N/A 0.803 in

Min. Total Head Height (O)

N/A 0.743 in

Max. Slot Width (J)

N/A 0.188 in

Min. Slot Width (J)

N/A 0.166 in

Max. Slot Depth (T)

N/A 0.371 in

Min. Slot Depth (T)

N/A 0.291 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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