Plastic Fasteners | McMaster-Carr

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Fiberglass-Reinforced Plastic

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Fastener Head Type

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Compliant with Exemptions

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DFARS Specialty Metals

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Rivet Shank Style

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Metric Rounded Trapezoidal

Tensile Strength

Less than 25 lbf/in. wd.

25 lbf/in. wd. to 49.9 lbf/in. wd.

50 lbf/in. wd. to 99.9 lbf/in. wd.

100 lbf/in. wd. to 199.9 lbf/in. wd.

200 lbf/in. wd. or greater

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 29,999 psi

100,000 psi or greater

Not Rated

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11,702 Products

Fastening and Joining

Socket Head Screws

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

430 products

Rounded Head Screws

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

641 products

Hex Head Screws

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

295 products

Flat Head Screws

Fit in countersunk holes for a flush finish

271 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

1 product

Thumb Screws

Tighten and loosen by hand without the need for tools

84 products

Set Screws

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

165 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

14 products

Shoulder Screws

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

38 products

Rivets

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

136 products

Hex Nuts

Handle most general fastening needs

141 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

40 products

Cap Nuts

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

21 products

Coupling Nuts

Connect and extend threaded rods

14 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

7 products

Washers

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

1,023 products

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

245 products

Finishing Washers

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

14 products

Sealing Washers

Prevent fluids from leaking around fasteners

31 products

Lock Washers

Resist vibration to prevent fasteners from loosening

9 products

Binding Barrels and Caps

Create a low-profile fastener with a press or hammer

8 products

Binding Barrels and Screws

Thread together for a low-profile fastener

7 products

Anchors

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

96 products

Standoffs

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

963 products

Spacers

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

1,307 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

20 products

Threaded Inserts

Create new threads or repair stripped threads

16 products

Threaded Rods

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

106 products

Thread Adapters

Join threads of a different type, size, and gender

5 products

Retaining Rings

Hold components on a shaft

12 products

Dowel Pins

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

105 products

Shims

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

294 products

Shim Stock

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

194 products

Fabric Snaps

Complete snaps that join fabric together or fasten fabric to surfaces

5 products

Nails

Drive into wood, plastic, drywall, and masonry

6 products

Tape

Bind, seal, and mark surfaces

1,547 products

Hook and Loop

Press interlocking pieces together to join materials

497 products

Snap-Together Fasteners

Mate the mushroom-shaped heads to join materials together with more holding power than hook and loop

54 products

Rivet Tool Accessories and Replacement Parts

Add accessories like nosepieces and jaws or replace seals and other parts on your rivet tool

1 product

Socket Retaining Rings

Secure sockets and adapters to impact tools

36 products

Staplers

Air-powered, electric, cordless, and manual staplers

2 products

Material Handling

Cable Ties

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

592 products

Cable Tie Mounts

Attach to walls, machines, and other surfaces and add a cable tie to organize and secure bundles

103 products

Cable Holders

Mount to a surface to secure and route cable

121 products

Hook and Loop Straps

Flexible and adjustable to secure bundles that are delicate and often increase or decrease in size

233 products

Cable Bundling Tools

Quickly organize wires, cables, and cords into bundles

1 product

Twist Ties

Wind the ends to bundle cable and wire or close bags and sacks

22 products

L-Track Covers

Shield unused lengths of L-Track

1 product

L-Track Cargo Nets

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

1 product

L-Track Straps

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

4 products

E-Track Cargo Nets

Pair with E-Tracks to contain bulky loads against the sides of vans, trucks, and trailers

1 product

E-Track Storage Bags

Attach to E-Tracks to hold objects

1 product

E-Track Straps

Add to E-Tracks to keep cargo from shifting inside vans and trailers; also known as logistic straps

16 products

E-Track Webbing Tethers

Tether material to E-Tracks or use with a coupling to extend the length of an E-Track strap

2 products

Bungee Cord End Tabs

Create tie downs by pushing the included mounting plate onto bungee cords

1 product

Bungee Cord Locks

Position on bungee cords to create stops and keep the cords from rubbing against surfaces

7 products

Bungee Cord Sleeves

Make a loop in bungee cords to hook them onto objects

2 products

Bungee Cord Hooks

Add to bungee cords to hook them onto rings and loops

5 products

Webbing

Create straps for holding cargo in place

156 products

Webbing Buckles

Pair with webbing to make adjustable straps

24 products

Webbing Guides

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

2 products

Webbing Rings

Add looped connection spots

3 products

Rope Guides

Route and protect rope

10 products

Rope Ratchets

Adjust the tension on rope tie downs

2 products

Ratchet Straps

Connect to anchor points and tighten incrementally to increase the tension, holding cargo in place

608 products

Rope Cleats

Temporarily secure rope

12 products

Rope Hooks

Add connection points for rope

2 products

Loop Clamps

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

26 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

3 products

Carabiners

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

6 products

Eyebolts

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

12 products

Power Transmission

Lead Screw Nuts

Mate with lead screws to move components in a straight line

188 products

Lead Screws

Pair with lead screw nuts to move components in a straight line

4 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

418 products

Indicating Knobs

Control devices and view settings at a glance

4 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

36 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

5 products

Strut Channel Framing and Fittings

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

2 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

2 products

Electrical

Conduit and Conduit Fittings

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

51 products

DIN Rail Mounting Adapters

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

6 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

6 products

Facility and Grounds Maintenance

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

8 products

Tarp Fasteners

Add connection points to tarps for securing them

3 products

Safety Equipment

Fall-Arrest Harness Lanyard Holders

Attach to your harness to hold unused lanyards out of the way

2 products

Chain Barrier Links

Split in half and snap back together to securely connect lengths of chain

6 products

Communication

Tag Fasteners

Attach tags to clothes and other items made of fabric; use with a tag fastener gun

4 products

Tag Ties

Wrap through tag holes to connect to items such as lanyards and key rings

5 products

Tag Fastener Guns

Pair with tag fasteners to secure tags to clothes and fabric

1 product

Tag Rings

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

1 product

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

4 products

Name Badge Holders

Protect and display name badges on clips, lanyards, and bands

1 product

Fluid Handling

Pipe and Pipe Fittings

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

2 products

Hose End Safety Straps

Wrap around the levers on cam-and-groove hose fittings to prevent accidental release and spills

3 products

Containers, Storage, and Furniture

Strap Handles

Wrap around bundles and hard-to-grip objects for a more convenient carry

3 products

Fabricating and Machining

Fixture Clamps

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

1 product