UNF Weld Nuts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Nut Type

Material

Stainless Steel

Weld Nut Shape

Tube OD

Thread Direction

For Tube Wall Thickness

Height

Thread Type

Thread Spacing

Width

Base Width

OD

Base Length

Threading

Partially Threaded

Hole Diameter

Thread Fit

Unified Standard Class 1B

Unified Standard Class 2B

Barrel Height

Number of Projections

Base Thickness

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Specifications Met

How can we improve?

225 Products

Weld Nuts

Tube End Weld Nuts

Tube End Weld Nuts

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

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

Square Weld Nuts

Square Weld Nuts

The strongest hold in our offering

Left-Hand-Thread Tube End Weld Nuts

Left-Hand-Thread Tube End Weld Nuts

Prevent fasteners from backing out of assemblies that rotate counterclockwise

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

Long-Barrel Round Weld Nuts

Long-Barrel Round Weld Nuts

Distribute force evenly to prevent pull-through

Round Weld Nuts

Round Weld Nuts

Fit under low-clearance areas without sacrificing strength

Self-Aligning Rectangular Weld Nuts

Self-Aligning Rectangular Weld Nuts

Help screws pass through perfectly

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

Corner Weld Nuts

Corner Weld Nuts

Create permanent, threaded 90° joints in sheet metal

Other Products

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

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