UNF Bungs | McMaster-Carr

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System of Measurement

Thread Size

Tube OD

For Tube Wall Thickness

Thread Direction

Nut Type

Material

18-8 Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Weld Nut Shape

Height

Threading

Partially Threaded

OD

Thread Length

Thread Spacing

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Thread Fit

Unified Standard Class 1B

Unified Standard Class 2B

Fitting Type

Length

Width

Gender

Barrel Height

Pipe Material

Shape

How can we improve?

232 Products

Weld Nuts

Tube End Weld Nuts

Tube End Weld Nuts

Weld into tube ends to attach threaded fittings such as rod ends

Left-Hand-Thread Tube End Weld Nuts

Left-Hand-Thread Tube End Weld Nuts

Prevent fasteners from backing out of assemblies that rotate counterclockwise

Square Weld Nuts

Square Weld Nuts

The strongest hold in our offering

Long-Barrel Round Weld Nuts

Long-Barrel Round Weld Nuts

Distribute force evenly to prevent pull-through

Weld Nuts

Weld to metal surfaces to add permanent threads

Low-Profile Rectangular Weld Nuts

Add permanent threads in tight spaces without adding a barrel bump

Self-Aligning Rectangular Weld Nuts

Self-Aligning Rectangular Weld Nuts

Help screws pass through perfectly

Round Weld Nuts

Round Weld Nuts

Fit under low-clearance areas without sacrificing strength

Corner Weld Nuts

Corner Weld Nuts

Create permanent, threaded 90° joints in sheet metal

Offset-Barrel Low-Profile Rectangular Weld Nuts

Add permanent threads on corners and near edges

Rectangular Weld Nuts

Rectangular Weld Nuts

Add permanent threads in narrow spaces

Two-Barrel Low-Profile Rectangular Weld Nuts

Fuse two threaded holes to metal with just one weld

Weld Locknuts

Distorted threads grip the screw for an extra-tight hold under vibration

Other Products

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Pipe Straights

Join lengths of pipe to send contents in one direction

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