Iron Thumb Screws | McMaster-Carr

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1,994 Products

Fastening and Joining

Tighten and loosen by hand without the need for tools

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Shoulder Screws

Shoulder Screws

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

Set Screws

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

Easy to tighten and loosen by hand for making frequent adjustments

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

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

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Screw Conveyors

Screw Conveyors

Push material through fixed troughs

Fabricating and Machining

Clamps

Hold workpieces securely in place

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)