US/Imperial Bolts & Cap Screws by IFI Specification

IFI Specification Hex bolts and hex cap screws feature a large fastener head for distributing clamping load. These fasteners are used at high tensions and temperatures. Cap screws have a washer face underneath the head and are used in precise applications. In Europe, a cap screw refers to a bolt-type fastener that is fully threaded, whereas a bolt is the part-threaded equivalent.

Search thousands of Bolts & Cap Screws 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 111 Hex Flange Screws without serrations, Frame Bolt to IFI 538 Metric Heavy Hex Flange Screw from hundreds of fastener distributors.


IFI 111 Hex Flange Screws without serrations, Frame Bolt
IFI 111 Hex Flange Screws with serrations, (Whiz-Lock etc.)
IFI 115 12 Point Flange Screws
IFI 199 Tap Bolts
IFI 536 Metric Hex Flange Screw
IFI 538 Metric Heavy Hex Flange Screw


Many FCH Network Member companies sell their Bolts & Cap Screws 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.