General Note:
This product is designed and recommended for light fastening applications such as guards, hinges, etc. It is not suggested for use in critical high strength applications where socket head cap screws should normally be used.

Notes:
  • Nominal Size. Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • Head Height. Tabulated head heights represent metal-to-metal measurements
Unit of Measure

Manufacturer

Manufacturer

N/A Industrial Fasteners Institute

Specifications

Product

N/A Socket Screws

Unit of Measure

N/A English

Nominal Size or Basic Screw Diameter

N/A 5/16 in

Nominal Size or Basic Screw Diameter (Decimal)

N/A 0.3125 in

Max. Head Diameter (A)

N/A 0.547 in

Min. Head Diameter (A)

N/A 0.527 in

Max. Head Height (H)

N/A 0.166 in

Min. Head Height (H)

N/A 0.152 in

Ref. Head Side Height (S)

N/A 0.031 in

Nom. Spline Socket Size (M)

N/A 0.216 in

Nom. Hexagon Socket Size (J)

N/A 3/16 in

Nom. Hexagon Socket Size Decimal (J)

N/A 0.188 in

Min. Key Engagement (T)

N/A 0.105 in

Max. Fillet Transition Diameter (F)

N/A 0.353 in

Min. Fillet Transition Diameter (F)

N/A 0.343 in

Nom. Maximum Standard Length (L)

N/A 1.00 in

Codes and Standards

Codes and Standards

N/A ASME B18.3 2002
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