Aluminum Thumb Screws | McMaster-Carr

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Round-Head Thumb Screw Profile

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Zinc Yellow-Chromate Plated

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4,128 Products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

1,519 products

Socket Head Screws

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

102 products

Rounded Head Screws

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

80 products

Hex Head Screws

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

61 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

182 products

Flat Head Screws

Fit in countersunk holes for a flush finish

50 products

Shoulder Screws

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

65 products

Tapping Screws

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

12 products

Standoffs

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

364 products

Standoff Caps

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

1 product

Binding Barrels and Screws

Thread together for a low-profile fastener

76 products

Captive Pins

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

8 products

Thread Adapters

Join threads of a different type, size, and gender

699 products

Threaded Rods

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

157 products

Rivet Nuts

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

87 products

Anchors

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

1 product

Spring Plungers

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

4 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

149 products

Pull Handles and Knobs

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

4 products

Indicating Knobs

Control devices and view settings at a glance

3 products

Strut Channel Framing and Fittings

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

1 product

Power Transmission

Connecting Rods

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

243 products

Lead Screws and Nuts

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

7 products

Material Handling

Jacks

Lift, hold, push, and position heavy objects

73 products

Fabricating and Machining

Fixturing Clamps

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

30 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

6 products