ASME B18.31.2 (2014)

Continuous Thread Stud, Double-End Stud, and Flange Bolting Stud (Stud Bolt) (Inch Series)

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Annotation and contents

This Standard covers the complete dimensional and general data for continuous thread, flange studs (stud bolts), and double-end inch-dimensioned studs. The following configurations are covered:

Continuous thread stud: studs that are threaded over their complete length.

Flange stud (stud bolt): threaded studs used primarily in applications with flanges covered by ASME B16.5, and made using ASTM A01 bolting materials.

Double-end stud (clamping type — identical ends): studs with screw threads of the same length and configuration on each end. This type of stud serves the function of clamping two bodies together with a nut on each end.

Double-end stud (tap end type): a stud designed to be installed in a tapped hole and usually with different threaded lengths on each end. For the tap end of the studs, both regular unified threads and interference-fit threads are covered.

Double-end studs of the following body diameters are covered:
(a)  Reduced diameter body
(b)  Full body

The inclusion of dimensional data in this Standard is not intended to imply that all products described are stock production items. Consumers should consul t w it h suppliers concerning availability of products.

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