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 1/4 in

Nominal Size or Basic Screw Diameter (Decimal)

N/A 0.2500 in

Max. Head Diameter (A)

N/A 0.437 in

Min. Head Diameter (A)

N/A 0.419 in

Max. Head Height (H)

N/A 0.132 in

Min. Head Height (H)

N/A 0.122 in

Ref. Head Side Height (S)

N/A 0.031 in

Nom. Spline Socket Size (M)

N/A 0.183 in

Nom. Hexagon Socket Size (J)

N/A 5/32 in

Nom. Hexagon Socket Size Decimal (J)

N/A 0.156 in

Min. Key Engagement (T)

N/A 0.087 in

Max. Fillet Transition Diameter (F)

N/A 0.290 in

Min. Fillet Transition Diameter (F)

N/A 0.280 in

Nom. Maximum Standard Length (L)

N/A 1.00 in

Codes and Standards

Codes and Standards

N/A ASME B18.3 2002
Use trailing wildcard (*) for broader results.