Black-Oxide Steel Nuts | McMaster-Carr

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Finish

Material

Stainless Steel

Locking Type

Distorted Thread

System of Measurement

Thread Size

Nut Type

Externally Threaded

Hex Nut Profile

Fastener Strength Grade/Class

Height

Width

Thread Direction

Right Hand and Left Hand

Thread Pitch

Thread Type

Metric Trapezoidal

Thread Spacing

Fastener Strength Rating

Thread Fit

Metric Class 5H

Metric Class 6g

Metric Class 6G

Metric Class 6h

Metric Class 6H

Metric Trapezoidal Class 7e

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Color

Specifications Met

Fed. Spec. FF-N-836

Performance

Corrosion Resistant

Precise Control

Tamper Resistant

Vibration Resistant

Drive Style

External 12-Point

External Pentagon

External Square

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Washer Material

400 Series Stainless Steel

For Use With

Screws and Nuts

How can we improve?

3,574 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

Coupling Nuts

Connect and extend threaded rods

Easy to tighten and loosen by hand for making frequent adjustments

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Cap Nuts

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

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Square Nuts

Flat sides won’t spin in channels and square holes

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Studs

Press, weld, or screw in place to add a threaded fastening point

Lock Washers

Resist vibration to prevent fasteners from loosening

Retaining Rings

Retaining Rings

Hold components on a shaft

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Nutdrivers

Tighten and loosen nuts and bolts

Fabricating and Machining

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

T-Slot Cleaners

T-Slot Cleaners

Scrape debris out of machine table T-slots

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

Power Transmission

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Lead Screws

Pair with lead screw nuts to move components in a straight line

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