US/Imperial Nuts by ASME Specification

ASME/ANSI 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 ASME 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 ANSI B18.2.2 Cap Nut (Acorn Nut) to ANSI B18.2.6 ASTM A563 Heavy Hex Nuts from hundreds of fastener distributors.

The FCH Sourcing Network for Nuts is second to none. At FCH we work with buyers and sellers alike to connect them with the people they need to increase their business. Our Member distributors will work with you to provide you with exactly the right Nuts that you need to get the job done right.




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.