5⁄16"-18 Thread Tube Fittings | McMaster-Carr

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System of Measurement

Tube ID

OD

Material

18-8 Stainless Steel

Thread Type

UN/UNF (SAE Straight)

Bolt-Together Framing Component

Anti-Rotation Plate

Bracket Fastener Set

Leg Shape

REACH

Fitting Connection

Spec Image

Length

ID

Mount Type

Finish

RoHS

Compliant with Exemptions

Nut Type

Base Shape

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

Connects To

DFARS Specialty Metals

Fitting Type

Base Diameter

Gender

Shape

Maximum Temperature

500° F to 999° F

How can we improve?

26 Products

Fluid Handling

Tube Straights

Join lengths of tube to send contents in one direction

Fastening and Joining

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Building and Machinery Hardware

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

Strut Channel Nuts

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)