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General Note: This product, although a high strength precision fastener, is recommended for lighter fastening applications. It is not suggested for use in critical high strength applications where socket head cap screws should normally be used. They are designed to be used in applications where head height clearance is a problem. Because of their reduced head height, and smaller socket size, they normally cannot be properly preloaded as a standard socket cap screw and should not be subjected tomore
Unit of Measure

Manufacturer

Manufacturer

Industrial Fasteners Institute

Specifications

Product

Socket Screws

Unit of Measure

English

Nominal Size or Basic Screw Dia.

No. 8

Nominal Size or Basic Screw Dia. (Decimal)

0.1640 in

Max. Body Diameter (D)

0.1640 in

Min. Body Diameter (D)

0.1585 in

Max. Head Diameter (A)

0.270 in

Min. Head Diameter (A)

0.265 in

Max. Head Height (H)

0.085 in

Min. Head Height (H)

0.079 in

Max. Chamfer or Radius (C)

0.014 in

Nom. Hexagon Socket Size (J)

5/64 in

Nom. Hexagon Socket Size Decimal (J)

0.078 in

Min. Key Engagement (T)

0.060 in

Max. Chamfer or Radius (K)

0.008 in

Codes and Standards

Codes and Standards

ASME B18.3 2002