Black Oxide Nuts | McMaster-Carr

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2,516 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Flange Nuts

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

Locknuts

Hold fasteners in place to prevent loosening from vibration

Coupling Nuts

Connect and extend threaded rods

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

Panel Nuts

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

Easy to tighten and loosen by hand for making frequent adjustments

Cap Nuts

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

Square Nuts

Flat sides won’t spin in channels and square holes

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

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

Stay prepared by keeping fasteners in common sizes and materials 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

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 Nut and Setup Stud Kits

T-Slot Nut and Setup Stud Kits

Mount fixtures of different sizes to your machine table

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

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

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