• 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 5/16 in

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

N/A 0.3125 in

Series

N/A Regular

Nut Blank Size (Ref.)

N/A C

Max. Wing Spread (A)

N/A 1.23 in

Min. Wing Spread (A)

N/A 1.20 in

Max. Wing Height (B)

N/A 0.64 in

Min. Wing Height (B)

N/A 0.62 in

Max. Wing Thickness (C)

N/A 0.20 in

Min. Wing Thickness (C)

N/A 0.18 in

Max. Distance Between Wings (D)

N/A 0.39 in

Min. Distance Between Wings (D)

N/A 0.35 in

Max. Boss Dia. (E)

N/A 0.5000 in

Min. Boss Dia. (E)

N/A 0.49 in

Max. Boss Dia. (F)

N/A 0.57 in

Min. Boss Dia. (F)

N/A 0.55 in

Max. Boss Height (G)

N/A 0.26 in

Min. Boss Height (G)

N/A 0.24 in

Codes and Standards

Codes and Standards

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

Threads Per Inch

Threads Per Inch

N/A 18 24
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