Plastic Hex Head Screws | McMaster-Carr

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15,456 Products

Fastening and Joining

Hex Head Screws

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

8,885 products

Tapping Screws

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

2,419 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

335 products

Wood Screws

Fasten material to wood or pieces of wood to each other

456 products

Set Screws

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

415 products

Flat Head Screws

Fit in countersunk holes for a flush finish

271 products

Shoulder Screws

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

124 products

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

6 products

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

2 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

14 products

Anchors

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

140 products

Thread Adapters

Join threads of a different type, size, and gender

5 products

Rivet Nuts

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

89 products

Threaded Rods

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

134 products

Standoffs

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

177 products

Binding Barrels and Screws

Thread together for a low-profile fastener

15 products

Rivets

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

6 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

420 products

Indicating Knobs

Control devices and view settings at a glance

4 products

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

21 products

Protective Caps

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

36 products

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

20 products

T-Slotted Framing and Fittings

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

2 products

Power Transmission

Lead Screws and Nuts

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

219 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

Material Handling

Eyebolts

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

26 products

Screw Conveyors

Push material through fixed troughs

7 products

Fabricating and Machining

Clamps

Hold workpieces securely in place

6 products