UNC Flanges | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Nut Type

Weld Nut Shape

Finish

Cadmium Yellow-Chromate Plated

Hot-Dipped Galvanized

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Height

Width

Length

Base Diameter

Flange Diameter

Barrel Profile

Pipe Size

Fastener Strength Grade/Class

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

UN/UNF (SAE Straight)

Barrel Height

Thread Spacing

Thread Direction

Hex Nut Profile

Locking Type

Distorted Thread

For Flange Class

Thread Fit

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3B

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

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720 Products

Fastening and Joining

Weld Nuts

Weld to metal surfaces to add permanent threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Flange Nuts

The flange distributes pressure, so you don't need a washer

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Spring Plunger Mounts

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

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