US/Imperial Nuts by IFI Specification

IFI Specification Nuts, or mating fasteners, are available in hundreds of different shapes and sizes for any project or application. Varieties are normally hexagonal or square in shape, and have either coarse or fine internal threads that correspond to those of a mating bolt or screw.

Search thousands of Nuts by IFI specification in the FCH Sourcing Network database of surplus, odd lot, slow-moving and hard to find fasteners. Click one of the links below to find everything from IFI 100/107 Prevailing Torque Hex Nuts & Hex Flange Nuts,Regular & Light series to IFI 145 Hex Flange Nuts with serrations from hundreds of fastener distributors.

Many FCH Network Member companies sell their Nuts directly to end users, and others sell only to other distributors. Some list pricing information and some do not. The database is open for search by anyone with an internet connection, however members who login to the website receive additional benefits and more extensive fastener listings.