Metal Thumb Screws | McMaster-Carr

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Corrosion-Resistant Coated

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Round-Head Thumb Screw Profile

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400 Series Stainless Steel

Body Finish

10,372 Products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

1,435 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

352 products

Shoulder Screws

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

6,554 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

479 products

Spring Plungers

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

227 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

1,264 products

Indicating Knobs

Control devices and view settings at a glance

4 products

Fabricating and Machining

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

9 products