• Where specifying nominal size in decimals, zeros in the fourth decimal place shall be omitted.
  • Sizes shown in bold face type are preferred.
Unit of Measure

Manufacturer

Manufacturer

Industrial Fasteners Institute

Specifications

Product

Wing Nuts

Unit of Measure

English

Nominal Size or Basic Major Dia. of Thread

1/2 in

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

0.5000 in

Series

Regular

Nut Blank Size (Ref.)

E

Max. Wing Spread (A)

1.89 in

Min. Wing Spread (A)

1.86 in

Max. Wing Height (B)

0.91 in

Min. Wing Height (B)

0.90 in

Max. Wing Thickness (C)

0.29 in

Min. Wing Thickness (C)

0.28 in

Max. Distance Between Wings (D)

0.67 in

Min. Distance Between Wings (D)

0.65 in

Max. Boss Dia. (E)

0.7500 in

Min. Boss Dia. (E)

0.73 in

Max. Boss Dia. (F)

0.83 in

Min. Boss Dia. (F)

0.82 in

Max. Boss Height (G)

0.38 in

Min. Boss Height (G)

0.37 in

Codes and Standards

Codes and Standards

ASME B18.6.X DRAFT STANDARD 2002

Threads Per Inch

Threads Per Inch

13 20
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