• Hex Coupling Nuts
IFI-128 is a standard developed through the procedures of Industrial Fasteners Institute. IFI-128 was first published in 1978 and reaffirmed, without technical change, in 1986 and in 2000.
1 - 25 of 34 | Results Per Page | View | Unit of Measure
1 2 
Request Information Compare Items

Item #

Description

Nominal Size or Basic Major Dia. of Thread

Basic (F)

Max. (G)

Basic (H)

Sort by
N/A Hex Coupling Nut, 3.5000" Nominal Dia. N/A 3-1/2 in N/A 5-3/8 in N/A 6.206 in N/A 10-1/2 in
N/A Hex Coupling Nut, 0.5000" Nominal Dia. N/A 1/2 in N/A 3/4 in N/A 0.866 in N/A 1-1/2 in
N/A Hex Coupling Nut, 0.3750" Nominal Dia. N/A 3/8 in N/A 9/16 in N/A 0.650 in N/A 1-1/8 in
N/A Hex Coupling Nut, 0.5625" Nominal Dia. N/A 9/16 in N/A 7/8 in N/A 1.010 in N/A 1-11/16 in
N/A Hex Coupling Nut, 3.7500" Nominal Dia. N/A 3-3/4 in N/A 5-3/4 in N/A 6.639 in N/A 11-1/4 in
N/A Hex Coupling Nut, 4.0000" Nominal Dia. N/A 4 in N/A 6-1/8 in N/A 7.072 in N/A 12 in
N/A Hex Coupling Nut, 4.2500" Nominal Dia. N/A 4-1/4 in N/A 6-1/2 in N/A 7.506 in N/A 12-3/4 in
N/A Hex Coupling Nut, 4.5000" Nominal Dia. N/A 4-1/2 in N/A 6-7/8 in N/A 7.939 in N/A 13-1/2 in
N/A Hex Coupling Nut, 4.7500" Nominal Dia. N/A 4-3/4 in N/A 7-1/4 in N/A 8.372 in N/A 14-1/4 in
N/A Hex Coupling Nut, 5.0000" Nominal Dia. N/A 5 in N/A 7-5/8 in N/A 8.805 in N/A 15 in
N/A Hex Coupling Nut, 0.3125" Nominal Dia. N/A 5/16 in N/A 1/2 in N/A 0.577 in N/A 15/16 in
N/A Hex Coupling Nut, 0.4375" Nominal Dia. N/A 7/16 in N/A 11/16 in N/A 0.794 in N/A 1-5/16 in
N/A Hex Coupling Nut, 5.2500" Nominal Dia. N/A 5-1/4 in N/A 8 in N/A 9.238 in N/A 15-3/4 in
N/A Hex Coupling Nut, 5.5000" Nominal Dia. N/A 5-1/2 in N/A 8-3/8 in N/A 9.671 in N/A 16-1/2 in
N/A Hex Coupling Nut, 0.6250" Nominal Dia. N/A 5/8 in N/A 15/16 in N/A 1.083 in N/A 1-7/8 in
N/A Hex Coupling Nut, 5.7500" Nominal Dia. N/A 5-3/4 in N/A 8-3/4 in N/A 10.104 in N/A 17-1/4 in
N/A Hex Coupling Nut, 6.0000" Nominal Dia. N/A 6 in N/A 9-1/8 in N/A 10.537 in N/A 18 in
N/A Hex Coupling Nut, 0.7500" Nominal Dia. N/A 3/4 in N/A 1-1/8 in N/A 1.299 in N/A 2-1/4 in
N/A Hex Coupling Nut, 0.8750" Nominal Dia. N/A 7/8 in N/A 1-5/16 in N/A 1.516 in N/A 2-5/8 in
N/A Hex Coupling Nut, 1.0000" Nominal Dia. N/A 1 in N/A 1-1/2 in N/A 1.732 in N/A 3 in
N/A Hex Coupling Nut, 0.2500" Nominal Dia. N/A 1/4 in N/A 3/8 in N/A 0.433 in N/A 3/4 in
N/A Hex Coupling Nut, 1.2500" Nominal Dia. N/A 1-1/4 in N/A 1-7/8 in N/A 2.165 in N/A 3-3/4 in
N/A Hex Coupling Nut, 1.1250" Nominal Dia. N/A 1-1/8 in N/A 1-11/16 in N/A 1.949 in N/A 3-3/8 in
N/A Hex Coupling Nut, 1.5000" Nominal Dia. N/A 1-1/2 in N/A 2-1/4 in N/A 2.598 in N/A 4-1/2 in
N/A Hex Coupling Nut, 1.3750" Nominal Dia. N/A 1-3/8 in N/A 2-1/16 in N/A 2.382 in N/A 4-1/8 in
1 - 25 of 34 | Results Per Page | View | Unit of Measure
1 2 
Search Catalog: GO
Use trailing wildcard (*) for broader results.