Adjusters | McMaster-Carr

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9/16" to 1 19/64"

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Adjustable Angle

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0.075" to 3.75"

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External 12-Point

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For Use With

3-Jaw Lathe Chucks

6-Jaw Lathe Chucks

Fiber Optic Connectors

Heavy Machinery

Irregularly-Shaped Devices

Large-Size Pipe

Locking Tab Connectors

Magnetic Workholding Chucks

Magnetic Workholding Plates

Precision Equipment

Spring Type

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34,670 Products

Adjustable Wrenches

Adjustable Wrenches

Adjustable Wrenches

Twist nuts and bolts of various sizes with a single tool

Tight-Clearance Adjustable Wrenches

Tight-Clearance Adjustable Wrenches

Slim jaws reach fasteners in confined spaces

Adjustable Wrench Sets

Adjustable Wrench Sets

Tighten or loosen a range of fastener sizes

Locking Tight-Clearance Adjustable Wrenches

Locking Tight-Clearance Adjustable Wrenches

Securely turn large fasteners in confined spaces

Pliers Wrenches

Pliers Wrenches

Turn fasteners and bend, press, or align workpieces

Self-Locking Adjustable Wrenches

Self-Locking Adjustable Wrenches

The harder you turn, the tighter the grip

Adjustable Wrenches with Hammer Face

Adjustable Wrenches with Hammer Face

Use the raised face as a hammer

Ratcheting Adjustable Wrenches

Ratcheting Adjustable Wrenches

Tighten or loosen fasteners without removing your wrench

Adjustable Wrenches for Pipes

Adjustable Wrenches for Pipes

Tighten bolts and grip pipe with the same tool

Locking Adjustable Wrenches

Locking Adjustable Wrenches

Lock around workpieces to prevent slipping or damage

Nonsparking Adjustable Wrenches

Nonsparking Adjustable Wrenches

Made of aluminum bronze to avoid sparks around flammable materials

Adjustable Wrenches for Hole Alignment

Adjustable Wrenches for Hole Alignment

Align bolt holes using the tapered end

Heavy Duty Adjustable Wrenches

Heavy Duty Adjustable Wrenches

Tackle oversized fasteners with a strong handle

Self-Adjusting Wrenches

Self-Adjusting Wrenches

Spring-loaded jaws automatically close around fasteners

Electrical-Insulating Adjustable Wrenches

Electrical-Insulating Adjustable Wrenches

The insulated handle reduces the risk of electric shock

Other Products

Positioning Slides

Positioning Slides

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

Leveling Mounts

Leveling Mounts

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

Pipe Wrenches

Grasp and turn pipe, conduit, and fittings

Adjustable Pliers

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

Motor Mounts

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

Positioning Arms

Positioning Arms

Mount and position tools and other small equipment

Pliers Sets

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

Tighten and loosen by hand without the need for tools

Locking Pliers

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

Pipe/Valve Wheel Wrenches

Pipe/Valve Wheel Wrenches

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

Adjustable Handles

Adjustable Handles

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

Set Screws

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

Jaw Covers for Pliers

Jaw Covers for Pliers

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

Door Closers

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

Precision Lead Screws and Nuts

Precision Lead Screws and Nuts

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

Micrometer Heads

Micrometer Heads

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Electric Slides

Electric Slides

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

Swivel Pads

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

Hose and Tube Pliers

Hose and Tube Pliers

Install, remove, or pinch off hose and tube

Laboratory Jacks

Laboratory Jacks

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

Tripod Head Adapters

Tripod Head Adapters

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

Lead Screws and Nuts

Lead Screws and Nuts

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

Garter Springs

Exert radial force from all directions to maintain pressure on shafts or in seals

Workbench Bases

Workbench Bases

Replace workbench bases or make workbenches with your own top

Roller Chain Alignment Tools

Roller Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

Scissor Lifts

Take your maintenance and repair tasks to new heights

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Linear Wave Springs

Linear Wave Springs

Absorb vibration and fill in gaps along the length of an object

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Jacks

Lift, hold, push, and position heavy objects

Lift Tables

Lift material to a comfortable working height and adjust as needed

Railway Track Aligners

Railway Track Aligners

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

Shock Absorbers

Shock Absorbers

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

Locking-Slotted Framing Feet

Locking-Slotted Framing Feet

Stabilize locking-slotted framing structures against floors, walls, and ceilings

Monitor Mounts

Mount monitors to walls, benches, ceilings, and other surfaces

Toggle Clamps

Lock workpieces onto worktables or objects

Conveyor Belt Take-Up Frames

Conveyor Belt Take-Up Frames

Adjust the tension on conveyor belts by extending or retracting pulleys

Hinge Adjusters

Hinge Adjusters

Bend hinges to correct misaligned and sagging doors without removing them

Compression Springs

Compression Springs

When squeezed, springs push back to their original length

Slip-Joint Pliers

Slip-Joint Pliers

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

Fixture Clamps

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

Tables

Fixed-height, adjustable-height, and folding tables

Extension Springs

Extension Springs

When stretched, springs pull their ends back together

Ball Screws and Nuts

Ball Screws and Nuts

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

Socket Wrenches

Socket Wrenches

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

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

Hose Clamp Installation Tools

Hose Clamp Installation Tools

Tighten hose clamps over hose and fittings to secure them

Rivet Hole Locators

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

Gibs

Guide linear movement in molds and dies

Conveyor Belt Take-Up Bearings

Conveyor Belt Take-Up Bearings

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

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

Conveyors

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

Webbing Buckles

Webbing Buckles

Join together two ends of webbing and adjust the length as needed

Spring Clamps

Hold lightweight materials in place, then squeeze to release

Hydraulic Lifts

Hydraulic Lifts

Convert fixed-height workbenches into adjustable-height workbenches

Bore Gauge Calibrators

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

Protective Feet

Protective Feet

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

Chain and Belt Tensioners

Chain and Belt Tensioners

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

Alignment Locks

Alignment Locks

Precisely align your mold halves

Micrometer Head Mounting Brackets

Micrometer Head Mounting Brackets

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

Tripods

Stabilize cameras and other equipment

Angle Plates

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

Door Springs

Extend and snap back to pull storm doors and gates closed

Milling Tables

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

Holders for Locking Pliers

Holders for Locking Pliers

Secure to a table or benchtop and slide in locking pliers for a hands-free way to hold your work

Torsion Springs

Torsion Springs

Wrap around a shaft or rod to maintain pressure on objects as they rotate

Sine Plates

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

Die Springs

Support heavy loads with minimal compression in high-impact jobs such as punching and stamping

End Supports for Ball Screws and Precision Lead Screws

End Supports for Ball Screws and Precision Lead Screws

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

Table Legs

Replace table legs or make tables with your own tabletop

Tablet, Laptop, and Mobile Device Mounts

Tablet, Laptop, and Mobile Device Mounts

Hold and position your electronic devices so they're in sight and within reach

Brake Spring Pliers

Brake Spring Pliers

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

Gauge Blocks

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

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Crank Handles

The offset handle gives extra leverage to maximize turning force

Air Springs

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

Linear Drive Nuts

Linear Drive Nuts

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

Pole Handles

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

Pipe Welding Clamps

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

Rotary Tables

Rotate your work 360° for easy access to different angles

Rotary Table Chuck Mounting Kits

Rotary Table Chuck Mounting Kits

Everything you need to precisely mount lathe chucks to rotary tables

Rotor Springs

Wind to store power, then release to create rotary motion—similar to winding a wristwatch

Shaft Alignment Kits

Shaft Alignment Kits

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

Clamping Screw Mounting Bases

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

Window Openers

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

Screw-Extracting Pliers

Screw-Extracting Pliers

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

Leveling Mount Inserts

Leveling Mount Inserts

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

Strip Springs

Wrap around a shaft and extend to pull objects in a linear direction

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Magnetic Clamps

Magnetic Clamps

Hold magnetic workpieces at common angles such as 90° or 45°

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

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

Electrical Enclosure Positioning Arms

Electrical Enclosure Positioning Arms

Hang your human-machine interface and swivel it around to save floor space and access equipment

Laser Directing Components

Laser Directing Components

Turn or split dot lasers to point them where needed

Spring Assortments

Spring Assortments

Keep extension, compression, and torsion spring types of various sizes on hand

Tool Support Arms

Tool Support Arms

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

Positioning Arm Mounts

Positioning Arm Mounts

Add a mounting surface to positioning arms

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Long-Nose Pliers

Long-Nose Pliers

Grab, bend, and position wire and other small parts

Made-to-Order Compression Springs

Made-to-Order Compression Springs

If you can't find the exact size spring you need, we'll get it made for you

Electric Actuators

Electric Actuators

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

Webbing Slides

Adjust the length of webbing

Pipe Flange Aligners

Pipe Flange Aligners

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

Coolant Nozzle Adjustment Tools

Coolant Nozzle Adjustment Tools

Use as a lever to adjust the angle of coolant streams

Cord Grip Pliers

Cord Grip Pliers

Assemble and install cord grips in a range of thread sizes

Cranes

Raise and move heavy or bulky objects overhead

Railcar Derailers

Railcar Derailers

Protect people, buildings, and other freight cars from uncontrolled railcar movements

Robot Pedestal Adapter Kits

Robot Pedestal Adapter Kits

Attach to square pedestals to support accessories or build a custom cable management system

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

Vibration-Damping Pads

Vibration-Damping Pads

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

C-Clamps

Temporarily secure workpieces together or to a work surface

Parallels

Raise workpieces above your vise to create clearance for cutting tools

Window Balancers

Window Balancers

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

Roller Screws and Nuts

Roller Screws and Nuts

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

Window Latches

Hold windows and screens closed for security or open for ventilation

Conduit Locknut and Reaming Pliers

Conduit Locknut and Reaming Pliers

Tighten conduit locknuts and ream both the inside and outside of conduit with a single tool

Gas Springs

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

Fixture Kits

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

Material Support Stands

Material Support Stands

Feed material and hold it steady while machining

Duct Adjustment Sleeves

Duct Adjustment Sleeves

Fine-tune the length of your duct without precise measuring and cutting

Coordinate Measurement Machine Probes

Coordinate Measurement Machine Probes

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

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

Sleeve Splines and Bearings

Sleeve Splines and Bearings

Combine sleeve splines and bearings to create linear and rotary motion systems

Parallel-Jaw Pliers

Parallel-Jaw Pliers

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

Fabric-Stretching Pliers

Fabric-Stretching Pliers

Grip and pull thin materials without tearing them

Monitor Stands

Support a monitor at viewing height

Springs for Locking Pliers

Springs for Locking Pliers

Change out worn or broken springs in the handle of your locking pliers

Torque-Stabilizing Arms

Torque-Stabilizing Arms

Reduce hand fatigue in continuous fastening and grinding applications

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

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

Height Gauge Calibrators

Height Gauge Calibrators

Ensure height gauges are accurate

Support Blocks

Support setup clamps for quick height adjustments

Band Clamps

Secure round and oddly shaped workpieces

Rotary Angle Indexers

Rotary Angle Indexers

Position round workpieces at precise, repeatable angles for machining flats, hexes, and key slots

Sine Bars

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

Fiber-Optic Connector Pliers

Fiber-Optic Connector Pliers

Safely and securely grip connectors in packed panels without damaging them

Relay Pliers

Thin, angled tips pop relays free from sockets in confined areas without damage

Scales

Bench-top, hanging, floor, and conveyor scales

Spark Plug Pliers

Spark Plug Pliers

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

Pliers Clamps

Clamp and lock workpieces with plier-style jaws for secure handling or transport

Panel Alignment Clamps

Panel Alignment Clamps

Align and hold sheet metal panels for drilling, riveting, and welding

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Inspection Parallels

Inspection Parallels

Line up workpieces for precise machining, or support them at a level height for inspecting

Corner Clamps

Align and secure materials at a corner joint

Easels

Hold paper pads and boards up for display

Gas Fitting Pliers

Gas Fitting Pliers

Perfect for adjusting burners and gas pipe fittings of various sizes

Tailstocks

Stabilize long workpieces for precise machining

Overhead Door Spring Winding Rods

Overhead Door Spring Winding Rods

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

Railcar Rerailers

Railcar Rerailers

Guide derailed wheels back onto tracks

Slip-On Framing Fasteners

Slip-On Framing Fasteners

Replace set screws used on slip-on framing

Window Opener Handles

Window Opener Handles

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

Electrical Disconnect Pliers

Electrical Disconnect Pliers

A hook-shaped tip disconnects the locking tab on electrical connectors

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

Wire Splice Pliers

Wire Splice Pliers

A long nose with stepped jaws presses down evenly for parallel crimping

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