• 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

N/A Industrial Fasteners Institute

Specifications

Product

N/A Wing 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

Series

N/A Regular

Nut Blank Size (Ref.)

N/A B

Max. Wing Spread (A)

N/A 1.08 in

Min. Wing Spread (A)

N/A 1.05 in

Max. Wing Height (B)

N/A 0.57 in

Min. Wing Height (B)

N/A 0.53 in

Max. Wing Thickness (C)

N/A 0.160 in

Min. Wing Thickness (C)

N/A 0.14 in

Max. Distance Between Wings (D)

N/A 0.32 in

Min. Distance Between Wings (D)

N/A 0.30 in

Max. Boss Dia. (E)

N/A 0.44 in

Min. Boss Dia. (E)

N/A 0.42 in

Max. Boss Dia. (F)

N/A 0.48 in

Min. Boss Dia. (F)

N/A 0.46 in

Max. Boss Height (G)

N/A 0.23 in

Min. Boss Height (G)

N/A 0.21 in

Codes and Standards

Codes and Standards

N/A ASME B18.6.X DRAFT STANDARD 2002

Threads Per Inch

Threads Per Inch

N/A 20 28
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