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Fully threaded stud and rod product form

Stud bolts &
threaded rods

Fully threaded and double-ended studs in nickel alloys, duplex steels and special alloys.

Diameter
M4–M100 / 1/4″–4″
Threads
Metric · UNC · UNF · 8UN · UNJ
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Stud bolt dimensions

Fully threaded stud dimension guided is nominal thread diameter. L is end-to-end overall length in this guide. P is axial distance between corresponding adjacent thread crests. Symbolic illustration, not to scale.L · overall lengthdFull thread · end form to drawingEND VIEWBYBOLT / FULLY THREADED STUDDIMENSION GUIDE · NOT TO SCALEBYBOLT / DIMENSION GUIDELdFULLY THREADED STUD · NOT TO SCALE
d Nominal thread diameterL Overall length, end to endP / TPI Specify pitch or threads per inch

Standards

DIN 976-1
Metric fully threaded studs
ASME B18.31.2
Inch continuous-thread, double-end and flange bolting studs
ASME B1.13M
Metric M-profile screw threads
ASME B1.1-2024
UNC, UNF and 8UN series; UN, UNR and UNJ thread forms

Industries & applications

Oil & gas

Valve bonnets, flange connections and process equipment.

Chemical processing

Heat exchangers, reactor covers and piping connections.

Offshore & marine

Seawater piping, pump assemblies and offshore equipment.

Stud bolts by material

Inconel 625 stud boltsUNS N06625Inconel 718 stud boltsUNS N07718Hastelloy C-276 stud boltsUNS N10276Monel K-500 stud boltsUNS N05500
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