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Unit of Measure

Manufacturer

Manufacturer

Industrial Fasteners Institute

Specifications

Product

Nuts

Unit of Measure

English

Nominal Size or Basic Major Dia. of Thread

5/8 in

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

0.6250 in

Basic Width Across Flats (F)

1-1/16 in

Max. Width Across Flats (F)

1.062 in

Min. Width Across Flats (F)

1.031 in

Max. Width Across Corners (G)

1.227 in

Min. Width Across Corners (G)

1.175 in

Basic Thickness (H)

39/64 in

Max. Thickness (H)

0.631 in

Min. Thickness (H)

0.587 in

Codes and Standards

Codes and Standards

ASME/ANSI B18.2.2 1987 (R 1999)

Runout of Bearing Face, FIM

Max. Runout of Bearing Face, FIM (Specified Proof Load Up to 150,000 psi)

0.025 in

Max. Runout of Bearing Face, FIM (Specified Proof Load 150,000 psi and Greater)

0.018 in