Brass Nuts | McMaster-Carr

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2,523 Products

Most Likely Products

Hex Nuts

Handle most general fastening needs

237 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

128 products

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

31 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

144 products

Precision Lead Screw Nuts

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

194 products

All Results

Fastening and Joining

Hex Nuts

Handle most general fastening needs

237 products

Panel Nuts

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

20 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

42 products

Cap Nuts

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

58 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

11 products

Coupling Nuts

Connect and extend threaded rods

43 products

Square Nuts

Flat sides won’t spin in channels and square holes

9 products

Flange Nuts

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

3 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

7 products

Threaded Inserts

Create new threads or repair stripped threads

531 products

Rivet Nuts

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

31 products

Thread Adapters

Join threads of a different type, size, and gender

23 products

Standoffs

Separate, position, or connect components in assemblies

550 products

Binding Barrels

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

164 products

Lock Washers

Resist vibration to prevent fasteners from loosening

18 products

Sockets

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

31 products

Nutdrivers

Tighten and loosen nuts and bolts

10 products

Fluid Handling

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

31 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

144 products

Tube Fitting Sleeve and Nut Kits

Everything you need to create a tight seal between a metal tube and a Yor-Lok fitting

15 products

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

55 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Power Transmission

Lead Screw Nuts

Mate with lead screws to move components in a straight line

128 products

Precision Lead Screw Nuts

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

194 products

Electrical Power, Networking, and Controlling

Conduit Locknuts

Secure threaded conduit fittings to knockouts in outlet boxes or enclosures

8 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

46 products

Facility and Grounds Maintenance

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products

Building and Machinery Hardware

Leveling Mount Inserts

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

61 products

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

28 products