Nuts
Hex, spanner, unique threading, specialty cutting, drilling - from 3/8 to 1.875 hex in specialty metals and alloy steels (cadmium, silver, dry film lube, aluminum, and more). UPP can make it for you.
Bolts
Recessed, hex head, clevis bolts, fillister screws, cap screws, specialty bolts - too numerous to list. Sizes from .156 to 1.875 hex manufactured from any array of super alloys, conventional steel and corrosive resistant materials.
Studs
AN, MS studs, ordnance parts, straight, reducer, flange, undercut and much more. And UPP studs are in all major OEM engines. Specialty cutting, intricate machining, with turning lengths up to 9". An array of sizes, dimensions using conventional steel and numerous super alloys.
Inserts
Over its history, UPP has manufactured millions of high performance hardware, including inserts. ID/OD threading, counter bore, and inserts with specified flange, range in size from 5/16" up to 1". Inserts are manufactured from numerous alloys and corrosive resistant materials.