Brass Fasteners | McMaster-Carr

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5,788 Products

Most Likely Products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

156 products

Threaded Inserts

Create new threads or repair stripped threads

531 products

Hose Nuts

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

56 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

549 products

Hex Nuts

Handle most general fastening needs

192 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

325 products

All Results

Fastening and Joining

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

549 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

325 products

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

130 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

184 products

Wood Screws

Fasten material to wood or pieces of wood to each other

237 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

303 products

Thumb Screws

Tighten and loosen by hand without the need for tools

64 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

82 products

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

57 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

1 product

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

1 product

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

Hex Nuts

Handle most general fastening needs

192 products

Panel Nuts

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

20 products

Cap Nuts

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

58 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

42 products

Coupling Nuts

Connect and extend threaded rods

43 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

11 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

7 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

Fabric Snaps

Join soft, heavy fabrics such as leather and canvas

44 products

Turn-Button Fastener Bases

Mate with turn-button fastener eyelets to secure fabrics to solid surfaces

6 products

Turn-Button Fastener Eyelets

Pair with turn-button fastener bases to secure fabrics to solid surfaces

3 products

Standoffs

Separate, position, or connect components in assemblies

550 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

326 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

1 product

Binding Barrels

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

164 products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

217 products

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

24 products

Thread Adapters

Join threads of a different type, size, and gender

23 products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

164 products

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

116 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

280 products

Rivets

Join materials together permanently, especially when too thin or fragile to fasten with screws

92 products

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

10 products

Nails

Drive into wood, plastic, drywall, and masonry

18 products

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

25 products

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

9 products

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

19 products

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

11 products

Rivet Tools

Install and remove blind, solid, hollow, and other types of rivets

146 products

Pin Removal Punches

Strike with a hammer to loosen and remove pins and rivets

28 products

Fluid Handling

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

156 products

Hose Nuts

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

56 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Pipe Locknuts

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

31 products

Float Rods

Connect valve bodies and floats to build or repair a float valve

6 products

Power Transmission

Lead Screw Nuts

Mate with lead screws to move components in a straight line

74 products

Precision Lead Screw Nuts

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

30 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

57 products

Electrical Power, Networking, and Controlling

Electrical-Terminal Washers

Prevent wires from slipping out from under screw heads to keep electrical connections intact

6 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

18 products

Conduit Locknuts

Secure threaded conduit fittings to knockouts in outlet boxes or enclosures

8 products

Battery Terminal Adapters

Convert one battery terminal style to another

1 product

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

27 products

Leveling Mount Inserts

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

61 products

Window Openers

Operate crank- or push-to-open casement and awning windows

1 product

Window Latches

Hold windows and screens closed for security or open for ventilation

1 product

Material Handling

Hook and Loop Straps

Pull apart and secure again and again as the size of your bundle changes

14 products

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

23 products

Rope Cleats

Temporarily secure rope

4 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

5 products

Webbing Guides

Prevent webbing from twisting and use as anchor points; also known as footman's loops

1 product

Fabricating and Machining

Fixture Clamps

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

34 products

Facility and Grounds Maintenance

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

21 products