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Unit of Measure

Manufacturer

Manufacturer

 N/A Industrial Fasteners Institute

Specifications

Product

 N/A Nuts

Unit of Measure

 N/A English

Nominal Size or Basic Major Dia. of Thread

 N/A 1/4 in

Nominal Size or Basic Major Dia. of Thread (Decimal)

 N/A 0.2500 in

Basic Width Across Flats (F)

 N/A 1/2 in

Max. Width Across Flats (F)

 N/A 0.500 in

Min. Width Across Flats (F)

 N/A 0.488 in

Max. Width Across Corners (G)

 N/A 0.577 in

Min. Width Across Corners (G)

 N/A 0.556 in

Basic Thickness (H1)

 N/A 11/64 in

Max. Thickness (H1)

 N/A 0.188 in

Min. Thickness (H1)

 N/A 0.156 in

Codes and Standards

Codes and Standards

 N/A ASME/ANSI B18.2.2 1987 (R 1999)

Runout of Bearing Face, FIM

Max. Runout of Bearing Face, FIM (All Strength Levels)

 N/A 0.017 in
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