Adjusters | McMaster-Carr

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33,000 Products

Most Likely Products

Positioning Slides

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

160 products

Leveling Mounts

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

1,389 products

Positioning Arms

Mount and position tools, small electronics, and displays

251 products

Motor Mounts

Adjust motor positions in belt-driven systems to increase efficiency and reduce wear on components

34 products

All Results

Building and Machinery Hardware

Leveling Mounts

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

1,389 products

Protective Feet

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

151 products

Leveling Mount Inserts

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

101 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

849 products

Vibration-Damping Pads

Place under machinery to reduce vibration and noise, extending service life and protecting floors

114 products

Positioning Arms

Mount and position tools, small electronics, and displays

251 products

Laboratory Jacks

Position small shop and lab equipment on an adjustable-height surface

7 products

Tripod Head Adapters

Mount ball-grip components such as arms and device grips to the top of tripods

1 product

Tripods

Stabilize cameras and other equipment

4 products

Tool Support Arms

Suspend tools to keep them out of the way but still within reach

5 products

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Monitor Stands

Support a monitor at viewing height

6 products

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

763 products

Crank Handles

The offset handle gives extra leverage to maximize turning force

102 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

2,280 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

1 product

Strut Channel Framing and Fittings

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

3 products

Door Closers

Automatically and smoothly pull doors, storm doors, and gates closed

103 products

Window Openers

Operate crank- or push-to-open casement and awning windows

3 products

Window Opener Handles

Replace handles instead of the entire opener to operate crank-to-open windows

2 products

Door Springs

Extend and snap back to pull storm doors and gates closed

18 products

Window Balancers

Suspend, lift, or lower objects that move vertically in a track such as windows, doors, and panels

32 products

Hinge Adjusters

Bend hinges to correct misaligned and sagging doors without removing them

1 product

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,450 products

Window Latches

Hold windows and screens closed for security or open for ventilation

9 products

Push-to-Close Latches

Automatically hold doors shut when you push them closed

9 products

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

3 products

Power Transmission

Positioning Slides

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

160 products

Motor Mounts

Adjust motor positions in belt-driven systems to increase efficiency and reduce wear on components

34 products

Lead Screws and Nuts

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

1,873 products

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

10,538 products

Shock Absorbers

Slow and stop loads to reduce impact that can damage equipment like conveyors, lifters, and presses

76 products

Air Springs

Absorb vibration in moving equipment such as conveyors and transfer stations; lift and level loads

24 products

Gas Springs

Support the weight of doors, hatches, and lids to assist opening and closing

812 products

Roller Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

1 product

Chain and Belt Tensioners

Control tension on your roller chain or belt for smooth operation and a long service life

87 products

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

61 products

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

16 products

Ball Screw/Splines

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

3 products

Ball Screws and Nuts

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

200 products

Brake Spring Pliers

Stretch brake springs into place and install or remove them from anchor posts

1 product

Roller Screws and Nuts

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

8 products

Shafts

Transmit power, motion, and speed between machine components

21 products

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

35 products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

1,519 products

Set Screws

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

5,288 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

95 products

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

101 products

Pipe Wrenches

Serrated jaws grasp and turn pipe, conduit, and fittings

64 products

Pipe/Valve Wheel Wrenches

Grip and turn pipe with one end and loosen valve wheels with the other

1 product

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

70 products

Fabricating and Machining

Clamps

Hold workpieces securely in place

751 products

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

58 products

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

81 products

Pliers Sets

A variety of pliers styles and sizes for whatever job comes up

15 products

Locking Pliers

Clamp workpieces and lock them in place to keep your hands free

52 products

Slip-Joint Pliers

Adjust the pivot point to switch between two different jaw opening sizes

22 products

Long-Nose Pliers

Grab, bend, and position wire and other small parts

132 products

Jaw Covers for Pliers

Cover the jaws of slip-joint pliers to protect the finish of your workpiece

2 products

Screw-Extracting Pliers

Firmly grip stripped, rusty, and tamper-resistant screw heads for removal

3 products

Parallel-Jaw Pliers

Jaws grip better than standard pliers to keep irregularly shaped objects from slipping

12 products

Milling Tables

Turn the handles to position work on X- and Y-axes

3 products

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

61 products

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

4 products

Rotary Tables

Rotate your work 360° for easy access to different angles

6 products

Sine Bars

Measure, mark, and inspect exact angles on dies and other precision parts

2 products

Fixture Clamps

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

321 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

48 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

22 products

Alignment Locks

Precisely align your mold halves

25 products

Gibs

Hold components in place and create a surface for them to slide along in molds and dies

56 products

Gas Fitting Pliers

Perfect for adjusting burners and gas pipe fittings of various sizes

4 products

Fabric-Stretching Pliers

Grip and pull thin materials without tearing them

9 products

Material Handling

Material Support Stands

Feed material and hold it steady while machining

47 products

Conveyor Belt Take-up Frames

Adjust the tension on conveyor belts by extending or retracting pulleys

28 products

Conveyor Belt Take-up Bearings

Use with take-up frames to adjust tension on conveyor belts

14 products

Conveyor Stands

Pair with conveyors to design a system that moves parts exactly where they need to go

60 products

Conveyors

Roller, skate wheel, ball transfer, belt, and vacuum conveyors

199 products

Jacks

Lift, hold, push, and position heavy objects

255 products

Lift Tables

Lift material to a comfortable working height and adjust as needed

79 products

Cranes

Raise and move heavy or bulky objects overhead

1 product

Railway Track Aligners

Push or pull rails to correct spacing after a derailment and when installing gauge tie rods

1 product

Railcar Rerailers

Guide derailed wheels back onto tracks

2 products

Webbing Buckles

Pair with webbing to make adjustable straps

55 products

Measuring and Inspecting

Micrometer Heads

Mount on jigs, fixtures, and machine tools to position equipment and measure length

24 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

125 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

738 products

Micrometer Head Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

16 products

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

24 products

Height Gauge Calibrators

Ensure height gauges are accurate

3 products

Shaft Alignment Kits

Confirm that shafts are aligned or measure the degree of their misalignment

9 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

17 products

Laser Directing Components

Turn or split dot lasers to point them where needed

12 products

Containers, Storage, and Furniture

Workbench Bases

Replace workbench bases or make workbenches with your own top

15 products

Tables

Fixed-height, adjustable-height, and folding tables

85 products

Table Legs

Replace table legs or make tables with your own tabletop

5 products

Hydraulic Lifts

Convert fixed-height workbenches into adjustable-height workbenches

16 products

Lubricating

Coolant Nozzle Adjustment Tools

Use as a lever to adjust the angle of coolant streams

1 product

Facility and Grounds Maintenance

Pole Handles

Replace handles or extend the reach on tools like brooms, paint rollers, and window washers

41 products

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

28 products

Fluid Handling

Hose and Tube Pliers

Install, remove, or pinch off hose and tube

14 products

Hose Clamp Installation Tools

Tighten hose clamps over hose and fittings to secure them

16 products

Electrical

Electrical Connector Pliers

Firmly grasp electrical components without damaging them or surrounding parts

4 products

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

10 products

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

1 product

Cord Grip Pliers

Assemble and install cord grips in a range of thread sizes

1 product

Spark Plug Pliers

Grip boots firmly and remove them to access or inspect spark plugs

1 product

Communication

Easels

Hold paper pads and boards up for display

4 products