M12 Nuts | McMaster-Carr

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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

Panel Nuts

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

Coupling Nuts

Connect and extend threaded rods

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

Lug Nuts

Secure pneumatic wheels to axles

Square Nuts

Flat sides won’t spin in channels and square holes

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

Weld Nuts

Weld to metal surfaces to add permanent threads

Press-Fit Nuts

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

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Tighten and loosen by hand without the need for tools

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Power Transmission

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Lead Screws and Nuts

Lead Screws and Nuts

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

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Ball Screws and Nuts

Ball Screws and Nuts

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

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

Setup Studs

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

Lathe Chuck Jaw Nuts

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

Clamps

Hold workpieces securely in place

Building and Machinery Hardware

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

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