Fastener Guide / Technical Reference

Threaded Rod and Studs

Threaded rod and studs have no head. The material specification, not the look, sets the strength: the same rod can be low-carbon, alloy or stainless.

Last reviewed 2026-09-10 · Governing standard: ASTM A307-21; ASTM A193/A193M-24; ASTM F1554-20 · reference FG-000A6D · Report an error on this sheet

Common rod and stud specifications

SpecificationMaterialTypical use
ASTM A307 / A36Low-carbon steelHangers, general
ASTM A193 B7Cr-Mo alloy, Q&TFlange and pressure studs
ASTM F155436 / 55 / 105 gradesAnchor rods
18-8 / 316StainlessCorrosive service

These tables carry the same figures as the printed sheet below.

The printed sheet

Threaded Rod and Studs

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Text version of this sheet

Threaded rod and studs · material set by specification

What it is

FIELD IDENTIFICATION

Threaded rod and studs have no head. The material specification, not the look, sets the strength: the

same rod can be low-carbon, alloy or stainless.

THREADED ROD

DOUBLE-END STUD

No head - full thread, or threaded both ends

Common rod and stud specifications

Specification

Material

Typical use

ASTM A307 / A36

Low-carbon steel

Hangers, general

ASTM A193 B7

Cr-Mo alloy, Q&T

Flange and pressure studs

ASTM F1554

36 / 55 / 105 grades

Anchor rods

18-8 / 316

Stainless

Corrosive service

Key points

Identify by end marking, color code or certs. Zinc color is not a grade.

Length is measured end to end.

Governing standards: ASTM A307-21; ASTM A193/A193M-24; ASTM F1554-20. Editions shown are the latest confirmed as of September 2026. The drawing and the governing

standard always take precedence over this sheet.

torquing any fastener. Verify the current governing standard, project documents, OEM requirements, size, thread, coating and lot certification. To the fullest extent permitted by law, The Fastener App disclaims liability

arising from reliance on this reference.

Fastener Guide reference FG-000A6D · thefastenerapp.com/fastener-guide/technical-reference/threaded-rod-and-studs · © The Fastener App. Reference only — verify the current governing standard, drawing and manufacturer data before specifying or installing.

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