Adjusting Screws | McMaster-Carr

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Export Control Classification Number (ECCN)

EAR99

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4,115 Products

Fastening and Joining

Set Screws

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

251 products

Thumb Screws

Tighten and loosen by hand without the need for tools

80 products

Power Transmission

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

976 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

838 products

Electric Slides

Move parts with precision in electronics, robotics, and other automated processes

59 products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

205 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

8 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

18 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Linear Drive Nuts

Create a linear positioning system on a rotary shaft without a lead screw

3 products

Ball Screw/Splines and Bearings

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

3 products

Building and Machinery Hardware

Leveling Mounts

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

1,467 products

Protective Feet

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

9 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

Material Handling

Jacks

Lift, hold, push, and position heavy objects

2 products