3-48 Nuts | McMaster-Carr

Filter by

System of Measurement

Thread Size

4-40 to 5/16"-32

Nut Type

Material

18-8 Stainless Steel

Width

Height

Hex Nut Profile

Locking Type

Finish

Thread Spacing

Thread Type

Thread Direction

Thread Fit

Unified Standard Class 2B

Color

Fastener Strength Rating

Performance

Corrosion Resistant

Vibration Resistant

Drive Style

Specifications Met

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Length

Export Control Classification Number (ECCN)

REACH

Flange Diameter

Cap Nut Profile

Military Specification

How can we improve?

29 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Easy to tighten and loosen by hand for making frequent adjustments

Coupling Nuts

Connect and extend threaded rods

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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