Adjusting Screws | McMaster-Carr

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4,081 Products

Fastening and Joining

Set Screws

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

215 products

Thumb Screws

Tighten and loosen by hand without the need for tools

57 products

Power Transmission

Lead Screws and Nuts

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

1,873 products

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

55 products

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

16 products

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

200 products

Ball Screw/Splines

Transmit rotary power, move loads along the shaft, or do both at once

3 products

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

8 products

Building and Machinery Hardware

Leveling Mounts

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

1,443 products

Protective Feet

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

5 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

113 products

Fabricating and Machining

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

52 products