UNC Weld Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Material

Grade 2 Titanium

Stainless Steel

Weld Nut Shape

Height

Width

Thread Type

Collar Height

Hole Diameter

Barrel Height

Base Length

Number of Projections

Base Diameter

Base Thickness

Base Width

Retainer Material

18-8 Stainless Steel

1008-1010 Low-Carbon Steel

Specifications Met

Barrel Diameter

Thread Fit

Unified Standard Class 1B

Unified Standard Class 2B

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

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

REACH

Performance

Corrosion Resistant

How can we improve?

358 Products

Weld Nuts

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

Long-Barrel Round Weld Nuts

Long-Barrel Round Weld Nuts

Distribute force evenly to prevent pull-through

Square Weld Nuts

Square Weld Nuts

The strongest hold in our offering

Rectangular Weld Nuts

Rectangular Weld Nuts

Add permanent threads in narrow spaces

Offset-Barrel Low-Profile Rectangular Weld Nuts

Add permanent threads on corners and near edges

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

Weld Locknuts

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

Two-Barrel Low-Profile Rectangular Weld Nuts

Fuse two threaded holes to metal with just one weld

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.)