Aluminum Fasteners | McMaster-Carr

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System of Measurement

Thread Size

Length

Diameter

Screw Size

Fastener Head Type

Domed on Both Sides

OD

ID

Usable Length

1 1/4" to 1 3/4"

1 3/4" to 2 1/4"

2 1/4" to 2 3/4"

Shape

Color

RoHS

Compliant with Exemptions

Rivet Type

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Gender

Hex Size

Head Diameter

For Material Thickness

0.010" to 0.075"

0.010" to 0.080"

0.01" to 0.165"

0.02" to 0.125"

0.02" to 0.275"

0.027" to 0.15"

0.027" to 0.165"

0.030" to 0.115"

0.030" to 0.125"

0.031" to 0.062"

REACH

Threading

Partially Threaded

Threaded on Both Ends

Performance

Adjustable Length

Corrosion Resistant

Electrically Insulating

High Visibility

Metal Detectable

Thread Length

Finish

Chromate Conversion Coated

Corrosion-Resistant Coated

Tin Zinc Plated

End Type

Spring-Loaded Ball

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7,789 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

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

Hex Head Screws

Hex Head Screws

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

Flat Head Screws

Flat Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

Tighten and loosen by hand without the need for tools

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Tapping Screws

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

Shoulder Screws

Shoulder Screws

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

Quick-Release Pins

Quick-Release Pins

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

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

Dowel Pins

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

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

Cotter Pins

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

Rivets

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

Hex Nuts

Handle most general fastening needs

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Coupling Nuts

Connect and extend threaded rods

Locknuts

Hold fasteners in place to prevent loosening from vibration

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Binding Barrels and Caps

Binding Barrels and Caps

Create a low-profile fastener with a press or hammer

Binding Barrel Extensions

Binding Barrel Extensions

Add length to a binding barrel

Spacers

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

Standoffs

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

Standoff Caps

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

Rivet Nuts

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

Press-Fit Nuts

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Weld Nuts

Weld to metal surfaces to add permanent threads

Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Finishing Washers

Finishing Washers

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

Shim Stock

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

Shims

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Rods

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

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Unthreaded Inserts

Unthreaded Inserts

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

Nails

Drive into wood, plastic, drywall, and masonry

Rivet Tools

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

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Staplers

Air-powered, electric, cordless, and manual staplers

Snap-In Nut Tools

Snap-In Nut Tools

Compress the legs of snap-in nuts so they're easy to install and remove

Tape

Bind, seal, and mark surfaces

Weld-Backing Tape

Weld-Backing Tape

Stick to the back of welding seams to contain spatter and prevent gases from weakening the weld

Adhesives

Bond surfaces together

Building and Machinery Hardware

T-Slotted Framing Structural Brackets

T-Slotted Framing Structural Brackets

Join T-slotted rail surfaces and corners to build virtually any structure

T-Slotted Framing Brace Ends

T-Slotted Framing Brace Ends

Pair with a T-slotted rail to make a brace of any length

T-Slotted Framing Braces

T-Slotted Framing Braces

Reinforce joined corners of T-slotted rails for a sturdier connection than structural brackets

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

Cam Handles

For fast clamping, push down on the handle to draw two parts together

Knobs

Position, tighten, and secure fixtures and equipment

Machine Handles

Machine Handles

Arms give you extra leverage to secure and position jigs, fixtures, and other equipment

Window Latches

Hold windows and screens closed for security or open for ventilation

Material Handling

L-Track Cargo Nets

L-Track Cargo Nets

Use with L-Tracks to keep bulky and oddly shaped loads from shifting

L-Tracks

Slide on fittings to secure cargo inside vans and trucks; lighter weight and slimmer than E-Tracks

L-Track Straps

Attach to L-Tracks and ratchet the buckle to tighten around cargo; also known as logistic straps

E-Tracks

Add straps and other parts to keep cargo from moving inside vans and trucks; stronger than L-Tracks

E-Track Beams

Snap into place between two E-Tracks to brace loads or add new levels, maximizing vertical space

Tie-Down Rings

Use as fixed anchor points

Rope Guides

Route and protect rope

Webbing Buckles

Webbing Buckles

Pair with webbing to make adjustable straps

Rope Hooks

Add connection points for rope

Rope Cleats

Temporarily secure rope

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

Hook and Loop Straps

Hook and Loop Straps

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

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

Hitch Pins

Secure hitch inserts to hitch receivers for towing

Fabricating and Machining

Clamps

Hold workpieces securely in place

T-Slot Covers

Snap into T-slots to block chips, debris, and small parts from falling in

Fixture Clamps

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

Drill Bushing Installation Tools

Drill Bushing Installation Tools

Get a good grip to press removable drill bushings into fixture plates

Power Transmission

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Lead Screws and Nuts

Lead Screws and Nuts

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

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Electrical

DIN Rail Mounting Adapters

DIN Rail Mounting Adapters

Attach to components not made for DIN rail and clip on to install

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

Wire Splices, Connectors, and Taps

Wire Splices, Connectors, and Taps

Join wire and protect the connection

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

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