Plastic Screws | McMaster-Carr

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4,977 Products

Most Likely Products

Rounded Head Screws

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

641 products

Socket Head Screws

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

453 products

Thumb Screws

Tighten and loosen by hand without the need for tools

343 products

Set Screws

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

380 products

Flat Head Screws

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

271 products

Hex Head Screws

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

416 products

Knobs

Position, tighten, and secure fixtures and equipment

437 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

641 products

Socket Head Screws

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

453 products

Thumb Screws

Tighten and loosen by hand without the need for tools

343 products

Set Screws

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

380 products

Flat Head Screws

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

271 products

Hex Head Screws

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

416 products

Shoulder Screws

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

38 products

Fastener Assortments

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

1 product

Captive Panel Screws

Secure panels and enclosures while still having access to them

29 products

Spring Plungers

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

327 products

Anchors

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

96 products

Binding Barrels

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

35 products

Standoffs

Separate, position, or connect components in assemblies

182 products

Rivet Nuts

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

37 products

Threaded Rods

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

124 products

Thread Adapters

Join threads of a different type, size, and gender

5 products

Screwdrivers

Tighten and loosen screws

684 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

84 products

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

5 products

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

21 products

Torque-Limiting Keys

Used to install carbide inserts in cutting tools, a handle limits the amount of torque generated

25 products

L-Keys

Turn fasteners from either end and reach into tight spots

21 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

437 products

Indicating Knobs

Control devices and view settings at a glance

4 products

Pull Knobs

Use a knob to open and close cabinets, drawers, and doors

4 products

Protective Caps

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

36 products

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

9 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

9 products

T-Slotted Framing and Fittings

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

2 products

Power Transmission

Precision Lead Screw Nuts

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

204 products

Precision Lead Screws

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

12 products

Facility and Grounds Maintenance

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Toilet Mounts

Secure toilet components with flanges and hardware kits

9 products

Urinal Flanges

Connect a urinal to your drainage system

2 products

Electrical Power, Networking, and Controlling

Binding Posts

Test circuits before making permanent connections

12 products

Material Handling

Eyebolts

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

12 products

Screw Conveyors

Push material through fixed troughs

4 products

Fabricating and Machining

Drills

Cut holes and drive screws with cordless, electric, air-powered, and manual drills

7 products

Fixture Clamps

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

3 products