Positioners | McMaster-Carr

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Adjustable Dovetail Swivel Attachment

Adjustable-Height Sleeve

Angle Bracket

Any-Angle Cone Support

Arm

Attaching-End Mounting Pad

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Ball-and-Socket Adapter

Ball-and-Socket Connector

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27,270 Products

Fabricating and Machining

Workholding and Positioning Bases

Position objects on workbenches and assembly stations

3 products

Vises

Secure workpieces in place

371 products

Clamps

Hold workpieces securely in place

814 products

Welding Positioners

Mount workpieces for circular welds

4 products

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

12 products

Swivel Pads

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

58 products

Electronic-Component Positioning Stands

Pin components against a circuit board to free up your hands for soldering

1 product

Spring Clamp Workholders

Secure small parts in spring clamps to keep hands free for soldering, gluing, and assembling

7 products

Small Parts Positioners

Position and install tiny springs and wires

17 products

Picks

Hold, separate, and position small parts such as wire and springs

127 products

Retrievers

Grab and pull objects out of hard-to-reach spots

66 products

Dovetail Blanks

Machine a blank workpiece with precut dovetails and locating slots for easy setup

5 products

Clothespins

Hold light items, secure covers, and seal bags

4 products

Tongs

Grip and handle objects without touching them

49 products

Packing Seal Installation Tools

Install packing into hard-to-reach areas without damaging the packing

2 products

Magnetic Retrievers

Pick up screws, nuts, and other small magnetic objects

39 products

Magnetic Workholding Plates

Keep metal workpieces firmly in place for grinding, drilling, and electrical discharge machining

72 products

Vacuum Workholding Plates

Secure parts too thin to be held in clamps and vises for milling, drilling, routing, and finishing

8 products

Tweezer Tip Caps

Protect tweezer tips from damage

1 product

Locking Pliers

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

62 products

Hemostats

Grip and move small parts for intricate work in tight spaces

35 products

Tweezers

Grasp small objects that are too small to pick up by hand

341 products

Packing Seal Pullers

Pull packing out of pump and valve seals

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

2 products

Plier Sets

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

15 products

Slip-Joint Pliers

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

22 products

Wire-Gripping Pliers

Pull, bend, and cut wire; also known as lineman's pliers

32 products

Screw-Extracting Pliers

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

3 products

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

75 products

Long-Nose Pliers

Grab, bend, and position wire and other small parts

126 products

Wire-Forming Pliers

Loop and bend wire; also known as round-nose pliers

15 products

Parallel-Jaw Pliers

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

12 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

154 products

Rotary Tables

Rotate your work 360° for easy access to different angles

6 products

T-Slot Fixture Plates

Position workpieces with T-slot nuts, bolts, and setup studs for precise machining

4 products

T-Slot Covers

Snap into T-slots to block chips, debris, and small parts from falling in

6 products

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

142 products

T-Slot Clamp Supports

Hold up clamps to keep them in place when they're unclamped

7 products

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

181 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

234 products

Spring Stops

Push back against workpieces to hold them in place against stops and rails

22 products

Tooling Ball Covers

Protect tooling balls when not in use

1 product

Tooling Ball Mounts

Create a raised mounting point for tooling balls

4 products

Tooling Balls

Create a physical reference point for aligning workpieces in fixturing

45 products

Locating Rails

Locate the side of a workpiece in your fixture without milling a permanent slot

8 products

Index Plungers

Align parts that have mating bushings for more precision than standard spring plungers

6 products

Milling Tables

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

3 products

T-Tracks

Add fixturing to flat surfaces on machines such as table saws, CNC routers, and drill presses

17 products

Grippers

Clamp against uneven or irregularly shaped parts such as castings for a secure hold

59 products

Sine Plates

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

4 products

Pin Removal Blocks

Remove a range of pin sizes from workpieces by tapping them into holes with a punch and hammer

1 product

Fixturing Clamps

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

319 products

Angle Plates

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

61 products

Fixture Tables

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

42 products

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

16 products

Fixturing Squares

Build different fixtures on multiple sides of the same block

18 products

Grid Fixture Plates

Use threaded and unthreaded holes to position workpieces for precise and repeatable machining

1 product

Locating and Support Pads

Position larger workpieces and fixtures than locating and support buttons; also known as rest pads

6 products

Step Blocks

Support setup clamps for quick height adjustments

10 products

Collet Fixtures

Mount on milling machines and other surfaces to grip and release parts with 5C collets

6 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

22 products

Drill Bushing Sleeves

Press into your jig fixture so you can swap different bushings in and out without causing wear

59 products

Drill Bushing Lock Sleeves

Press into your jig fixture so you can swap in different bushings and lock them to prevent spinning

3 products

Parallel Keepers

Keep parallels in place against vise jaws

2 products

Sine Bars

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

2 products

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

6 products

Fixturing Kits

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

48 products

V-Blocks

Hold round workpieces

40 products

Fixture Keys

Locate fixtures and vises on your machine table

39 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

61 products

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

6 products

Slotted Bushings

Pair with a standard bushing to prevent alignment pins from binding in your fixture

10 products

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

619 products

Lathe Chuck Stops

Consistently position short parts in lathe chucks without spacers to reduce setup time

1 product

Lathe Chucks

Mount to a lathe's spindle to hold round workpieces; also known as scroll chucks

3 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

13 products

Lathe Chuck Jaw Boring Rings

Hold machinable lathe chuck jaws in place to securely grip workpieces and make accurate cuts

8 products

Lathe Chuck Jaws

Hold round workpieces on lathe chucks

47 products

Lathe Centers

Use in a lathe's headstock or tailstock to support the end of a workpiece

23 products

Lathe Drivers

Use with lathes to turn workpieces when machining between centers; also known as lathe dogs

8 products

Lathe Mandrels

Grip the inside of hollow or bored workpieces to machine them in a lathe; also known as arbors

33 products

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

61 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

Router Tables

Set up on a workbench to hold your router in place and help guide straight cuts

3 products

Broach Holders

Secure rotary broaches in lathes, milling machines, and CNC machines

6 products

Cutting Mats

Place under material you're cutting or punching to protect work surfaces

3 products

End Cutters

Wide jaws cut steel wire, nails, and small rivets close to the surface; also known as nippers

8 products

Press Plates

Lay on the crossbeams of presses to make a sturdy base for removing bearings, bushings, and arbors

4 products

Fabric-Stretching Pliers

Grip and pull thin materials without tearing them

9 products

Gas Fitting Pliers

Perfect for adjusting burners and gas pipe fittings of various sizes

4 products

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

251 products

Turntables

Rotate to reposition machinery and equipment

94 products

Tripod Head Adapters

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

1 product

Laboratory Jacks

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

7 products

Tool Support Arms

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

5 products

Monitor Stands

Support a monitor at viewing height

6 products

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Tripods

Stabilize cameras and other equipment

4 products

Tablet and Laptop Holders

Snap in tablets and laptops to mount them on stands and positioning arms

3 products

Prop Rods

Prop hood, trunk, and other lids open at a variety of angles

1 product

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

Lid Supports

Keep lids on cabinets, hatches, and chests open and then close them smoothly or softly

61 products

Window Balancers

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

32 products

T-Slotted Framing and Fittings

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

172 products

Locking-Slotted Framing and Fittings

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

6 products

Strut Channel Framing and Fittings

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

217 products

Cam Handles

For fast clamping, push down on the handle to draw two parts together

106 products

Brackets

Connect surfaces in an assembly

5 products

Overhead Door Spring Winding Rods

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

3 products

Fastening and Joining

Set Screws

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

5,288 products

Studs

Press, weld, or screw in place to add a threaded fastening point

674 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

1,377 products

Spring Plunger Catches

Act as a stop for positioning ball-nose and long-nose spring plungers

16 products

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

14 products

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

3,557 products

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

84 products

Taper Pins

Fit snugly into tapered holes to secure, position, and align components

667 products

Weld Pins

Weld in place for greater rigidity and strength than other pins

28 products

Dowel Pin Stock

Cut to the length you need for positioning and holding parts in place

53 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

184 products

Document Clips

Hold loose papers together without creating a permanent mark

24 products

Wood Joiners

Connect and repair wood pieces and joints

3 products

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

10 products

Welding Pliers

Perform a variety of welding tasks such as spatter removal and wire cutting

2 products

Power Transmission

Positioning Slides

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

155 products

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

119 products

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

6 products

Electric Actuators

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

31 products

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

12 products

Constant-Force Retractors

Attach an object and the spring controls tension as the object is slowly pulled out and back

23 products

Gas Spring Mounts

Attach gas springs to panels, lids, and doors using a bracket or stud

139 products

Gas Springs

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

812 products

Lead Screws and Nuts

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

1,778 products

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

53 products

Chain Pullers

Keep roller chain in place while you add or remove links

4 products

Brake Spring Pliers

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

1 product

Material Handling

Lift Tables

Lift material to a comfortable working height and adjust as needed

85 products

Tool Balancers

Minimize user fatigue by suspending tools to offset their weight

37 products

Vacuum Lifters

Grip and move objects with air- or electric-powered suction

103 products

Vacuum Lifter Dampers

Stick onto vacuum lifters to create a soft surface for moving delicate parts

5 products

Vacuum Lifter Accessory and Replacement Parts

Add accessories such as sensors or replace cups and other parts on your vacuum lifter

23 products

Lift Trucks

Raise and lower heavy loads to stack, pack and unpack, and store them

18 products

Pallet Stands

Hold pallets above the floor at a useful working height

3 products

Tool Retractors

Hang tools and pull them down as needed; let go, and the cable pulls them up and out of the way

41 products

Suction-Cup Lifters

Manually grip and move flat objects using suction cups

40 products

Gripper Compensation Devices

Let grippers grab uneven parts to avoid jams during assembly, picking, and machine tending

32 products

Replacement Pads for Vacuum Pads

Switch out worn vacuum pads

14 products

Vacuum Pads

Add to vacuum cups to move textured items that standard cups can’t pick up

22 products

Forklift Tie-Down Clamps

Create anchor points on forklift forks to secure loads for transport

1 product

Vacuum Fittings

Connect to vacuum cups and compressed air to create suction; also known as venturi devices

14 products

Puller Hooks

Pull crates, bales, and other objects or lift off covers

4 products

Vacuum Cup Levelers

Adjust vacuum cups to lift items with variable heights; also known as spring plungers

11 products

Vacuum Cup Swivels

Rotate and flex so your vacuum cups can grip items at an angle

2 products

Cranes

Raise and move heavy or bulky objects overhead

158 products

Lifting Tongs

Lift tongs by the eye with a crane or forklift to grasp and elevate tall objects or beams

5 products

Vacuum Cups

Connect to vacuum lifters to grip, lift, and move items

588 products

Forklift Forks

Replace worn or damaged forks, or switch to a different length

11 products

Forklift Pallet Dumpers

Shift loads off pallets and into containers from the safety of your forklift

1 product

Material Support Stands

Feed material and hold it steady while machining

47 products

Conveyor Guide Cross Blocks

Join conveyor guide mounting rods at different angles

46 products

Conveyor Guide Mounting Rods

Secure guides and other attachments to conveyors

141 products

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

39 products

Conveyor Guides

Direct and position items on conveyors while keeping them from falling off

113 products

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

5 products

Ball Transfer Plates

Rest on flat surfaces to create platforms for conveying, rotating, and positioning heavy objects

24 products

Conveyors

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

208 products

Conveyor Accessory Mounts

Position guides or sensors to the exact spot needed for your conveyor

56 products

Conveyor Brushes

Position items on conveyor belts and wipe off debris

210 products

Conveyor Stands

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

63 products

Conveyor Brackets

Mount guide clamps, sensors, drip pans, and other attachments to conveyor frames

74 products

Magnetic Conveyor Belt Plates

Keep ferrous objects in place as they move along your conveyor belt

33 products

Robot Positioning Slides

Extend the horizontal reach of your Universal Robots arm

5 products

Robot Bases

Elevate robot arms so they can reach raised surfaces, such as conveyor belts and workstations

24 products

Robot Workstations

Create a portable working home for your robot arm

1 product

Teach Pendant Mounts

Store teach pendants conveniently near robots but out of harm’s way

4 products

Robot Base Mounts

Secure your robot arm to benches, frames, or other surfaces

4 products

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

Dollies

Move furniture and large equipment

125 products

Carts

Transport objects around your facility

6 products

Pallet Trucks

Raise and transport pallets; easier to store than lift trucks

25 products

Ladder Stabilizers

Support ladders at a comfortable distance from walls and structures

2 products

Cable Bundling Tools

Quickly organize wires, cables, and cords into bundles

2 products

Measuring and Inspecting

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

52 products

Variance Indicator Clamps

Secure and position indicators, arms, and other components on holders

61 products

Variance Indicator Holder Fine-Adjustment Attachments

Install on Starrett variance indicator holders for precise control over positioning

1 product

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

18 products

Variance Indicator Extension Rods

Lengthen the reach of your variance indicator

19 products

Variance Indicator Depth Base Attachments

Insert the stem of your variance indicator to convert it into a depth gauge

7 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

5 products

Variance Indicator Contact Point Adapters

Convert variance indicators to work with inch-size contact points or measure hard-to-reach spots

3 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

22 products

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

70 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

Surface Plate Stands

Hold up surface plates at precise support points to maintain accuracy

16 products

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

51 products

Bench Centers

Inspect cylindrical parts for irregularities that could cause wobbles or vibrations

5 products

Surface Plate Covers

Protect the flatness and finish of surface plates in storage

5 products

Variance Indicator Collets

Hold the stem of plunger-style indicators for custom mounting jobs, such as creating depth gauges

4 products

Height Gauge Calibrators

Ensure height gauges are accurate

3 products

Micrometer Head Mounting Brackets

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

16 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

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

148 products

Scales

Bench-top, hanging, floor, and conveyor scales

7 products

Light Boxes

Illuminate your drafting work and view transparencies, slides, and X-rays

12 products

Fluid Handling

Hose Clamp Installation Tools

Tighten hose clamps over hose and fittings to secure them

17 products

Hose and Tube Pliers

Install, remove, or pinch off hose and tube

14 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

1 product

Containers, Storage, and Furniture

Workbench Bases

Replace workbench bases or make workbenches with your own top

15 products

Workbenches

Often used for shop work with durable tops and storage for tools

19 products

Desks

Stand up or sit down to work in offices and plants

19 products

Standing Desk Converters

Change any desk or table into a stand-up-height work surface

3 products

Tables

Fixed-height, adjustable-height, and folding tables

85 products

Computer Stands

Adjust the shelves to hold computers and components at a comfortable working height

4 products

Table Legs

Replace table legs or make tables with your own tabletop

5 products

Plier Organizers

Keep a variety of plier sizes and styles organized on benchtops or in drawers

1 product

Shelf Brackets

Mount and support shelves

3 products

Shelving

Store a variety of items

856 products

Tweezer Cases

Organize and protect tweezers

3 products

Cabinets

Store objects on enclosed shelves

227 products

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

1 product

Electrical

Wire and Cable Push-Pull Rods

Maneuver cable inside drop ceilings and walls

4 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

Electrical Cords

Connect equipment and devices to a power supply

7 products

Electrical Connector Pliers

Firmly grasp electrical components without damaging them or surrounding parts

4 products

Spark Plug Pliers

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

1 product

Safety Equipment

Eyeglass Lanyards

Hang eyeglasses around your neck for easy access

1 product