Workholding | McMaster-Carr

Filter by

System of Measurement

Thread Size

Material

Length

Mount Type

Clamping Action

Export Control Classification Number (ECCN)

1C999

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

REACH

Clamp Type

Head Diameter

Grip Style

Width

Color

Stud Length

Body Material

Thread Length

Threading

Threaded on Both Ends

Fastener Head Type

Handle Style

Height

Shape

Overall Length

Diameter

Nose Material

15,276 Products

Fabricating and Machining

Fixture Clamps

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

373 products

T-Slot Nuts

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

290 products

T-Slot Clamp Supports

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

7 products

T-Slot Fixture Plates

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

4 products

T-Slot Bolts

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

137 products

T-Slot Covers

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

6 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Fixture Kits

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

48 products

Spring Stops

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

22 products

Grippers

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

107 products

Support Blocks

Support setup clamps for quick height adjustments

16 products

Fixture Squares

Build different fixtures on multiple sides of the same block

21 products

Angle Plates

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

61 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

168 products

Locating Rails

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

8 products

Setup Studs

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

608 products

Tooling Balls

Create a physical reference point for aligning workpieces in fixturing

45 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

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

16 products

Pin Removal Blocks

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

1 product

V-Blocks

Hold round workpieces

55 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

53 products

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

6 products

Collet Fixtures

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

15 products

Fixture Tables

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

42 products

Grid Fixture Plates

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

1 product

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

209 products

Locating Pin Lock Screws

Secure removable locating pins

2 products

Parallel Keepers

Keep parallels in place against vise jaws

2 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

22 products

Setup Blocks

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

10 products

Milling Tables

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

3 products

Rotary Tables

Rotate your work 360° for easy access to different angles

6 products

Locating and Support Pads

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

6 products

Pegs for Part Presentation Plates

Create custom layouts on part presentation plates with peg holes

1 product

Fixture Keys

Locate fixtures and vises on your machine table

39 products

Sine Plates

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

4 products

Index Plungers

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

6 products

Slotted Bushings

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

10 products

Sine Bars

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

2 products

T-Tracks

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

17 products

Part Presentation Plates

Attach to stands to position parts exactly where they're needed for workers and robots

5 products

Rotary Angle Indexers

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

2 products

Part Presentation Stands

Position parts for easy, repeated access for workers, robots, and other machines

5 products

Rotary Table Chuck Mounting Kits

Everything you need to precisely mount lathe chucks to rotary tables

10 products

Clamps

Hold workpieces securely in place

749 products

Clamp Holding Screws

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

52 products

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

12 products

Vises

Secure workpieces in place

176 products

Vise Stops

Prevent horizontal movement within machine vises to keep workpieces in place

5 products

Vise Jaws

Hold material in vises for machining

119 products

Vise Repair Kits

Replace commonly worn parts in vises

10 products

Vise Jaw Liners

Place over vise jaws to protect workpieces from marring

50 products

Vise Bases

Hold and rotate a vise

2 products

Vise Handles

Replace handles in vises

5 products

Vise Tube Holders

Grip tubing in place while you cut, flare, or expand the end

Hold lightweight objects such as beakers and other lab equipment

12 products

Spring Clamp Workholders

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

7 products

Electronic-Component Positioning Stands

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

1 product

Workholding and Positioning Bases

Position objects on workbenches and assembly stations

3 products

Vacuum Workholding Plates

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

8 products

Vacuum Workholding Plate Gasketing

Seal off the in-use areas of vacuum chucks

3 products

Swivel Pads

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

58 products

Dovetail Blanks

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

5 products

Magnetic Workholding Plates

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

72 products

Tweezer Tip Caps

Protect tweezer tips from damage

1 product

Tweezers

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

340 products

Welding Positioners

Mount workpieces for circular welds

4 products

Clothespins

Hold light items, secure covers, and seal bags

4 products

Wire-Forming Pliers

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

17 products

Jam Removers

Clear objects that are blocking conveyors, chutes, and hoppers

13 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

Jaw Covers for Pliers

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

2 products

Slip-Joint Pliers

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

22 products

Parallel-Jaw Pliers

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

13 products

Magnetic Chip Collectors

Attract steel chips to remove them from machinery, clothing, and the floor

3 products

Locking Pliers

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

51 products

Hemostats

Grip and move small parts for intricate work in tight spaces

35 products

Tongs

Grip and handle objects without touching them

49 products

Magnetic Retrievers

Pick up screws, nuts, and other small magnetic objects

41 products

Pliers Sets

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

15 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

81 products

Long-Nose Pliers

Grab, bend, and position wire and other small parts

132 products

Lathe Chuck Stops

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

4 products

Lathe Chuck Collet Adapters

Save time by converting a 5C collet into a lathe chuck, or vice versa

3 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

90 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

13 products

Lathe Chucks

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

29 products

Lathe Drivers

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

11 products

Lathe Mandrels

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

33 products

Lathe Centers

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

50 products

Lathe Spindle Stops

Load material in the same spot every time for consistent machining from piece to piece

3 products

Milling Machine Collet Blocks

Hold workpieces to machine parallel or square edges and drill crossholes

2 products

Milling Machine Collets

Install in a milling machine collet chuck or holder to tightly grip tool bits

188 products

Retention Knobs

Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle

21 products

Lathe Collets

Insert into a lathe collet chuck or holder to tightly grip workpieces

162 products

Lathe Collet Stops

Prevent parts from pushing back into the collet while machining

2 products

Lathe Tool Holder Bushings

Increase the diameter of drill bits and other shank-style cutting tools to fit CNC lathe tool blocks

19 products

Wedges

Level material, split mated parts, and align machinery

47 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

Measuring and Inspecting

Square Holding Clamps

Position squares for repeat checking and marking

1 product

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

52 products

Variance Indicator Holder Fine-Adjustment Attachments

Install on Starrett variance indicator holders for precise control over positioning

1 product

Variance Indicator Clamps

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

61 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

5 products

Variance Indicator Extension Rods

Lengthen the reach of your variance indicator

19 products

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

18 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

25 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

125 products

Variance Indicator Collets

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

4 products

Surface Plates

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

51 products

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 Plate Covers

Protect the flatness and finish of surface plates in storage

5 products

Micrometer Head Mounting Brackets

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

16 products

Bench Centers

Inspect cylindrical parts for irregularities that could cause wobbles or vibrations

5 products

Shaft Alignment Kits

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

9 products

Alignment Pins

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

148 products

Pipe Flange Aligners

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

17 products

Inspection Parallels

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

8 products

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

2 products

Inspection V-Blocks

Cradle rods and other round workpieces for precision measuring or inspecting

10 products

Scales

Bench-top, hanging, floor, and conveyor scales

4 products

Material Handling

Pick-and-Place Grippers

Join grippers with fingers to grasp and move items in pick-and-place applications

142 products

Pick-and-Place Gripper Finger Mounts

Attach to grippers to add and adjust fingers for grasping and moving various part sizes

7 products

Pick-and-Place Gripper Fingers

Connect to grippers to grasp and move items in pick-and-place applications

52 products

Bulk Bag Lifters

Hook the loops of bulk bags onto the legs to secure them when lifting with forklifts

2 products

Puller Tongs

Sharp ends dig into wood objects to grab and pull them; also known as skidding tongs

3 products

Slings

Grip and lift loads with hoists and cranes; made of webbing, rope, or chain

226 products

Lifting Beams

Stabilize long or unbalanced loads when lifting them; also known as spreader beams

69 products

Pallet Stands

Hold pallets above the floor at a useful working height

5 products

Lift Trucks

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

24 products

Gripper Compensation Devices

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

32 products

Puller Hooks

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

11 products

Drum Lifters

Raise, transport, tilt, or drain drums

28 products

Lift Tables

Lift material to a comfortable working height and adjust as needed

99 products

Cranes

Raise and move heavy or bulky objects overhead

1 product

Lifting Tongs

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

10 products

Panel Lifters

Move large, heavy sheets of plywood, cement board, and drywall

4 products

Forklift Pallet Dumpers

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

1 product

Pail Lifters

Hook to a crane or hoist to pick up pails and pour out contents

1 product

Pallet Pullers

Grip heavily loaded pallets and pull them around for convenient forklift access

4 products

Pallet Trucks

Raise and transport pallets; easier to store than lift trucks

25 products

Drum Grabbers

Adapt forklifts to lift and transport drums

10 products

Railway Track Aligners

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

1 product

Robot Tool Mounts

Attach tools or extensions to robot arms

45 products

Robot Workstations

Create a portable working home for your robot arm

11 products

Robot Tool Changers

Switch out your end-of-arm tools quickly and easily

33 products

Cable Bundling Tools

Quickly organize wires, cables, and cords into bundles

2 products

Conveyors

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

187 products

Conveyor Stands

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

60 products

Material Support Stands

Feed material and hold it steady while machining

47 products

Building and Machinery Hardware

Cam Handles

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

106 products

Knobs

Position, tighten, and secure fixtures and equipment

1,342 products

Adjustable Handles

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

759 products

Indicating Knobs

Control devices and view settings at a glance

89 products

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

6 products

Ball Knobs

Provide grip on control levers and push-pull rods

269 products

Positioning Arms

Mount and position tools, small electronics, and displays

251 products

Tripod Head Adapters

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

1 product

Tool Support Arms

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

5 products

Turntables

Rotate to reposition machinery and equipment

94 products

Laboratory Jacks

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

7 products

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Tripods

Stabilize cameras and other equipment

4 products

Teach Pendant Holders

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

4 products

Brackets

Connect surfaces in an assembly

5 products

T-Slotted Framing and Fittings

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

171 products

Strut Channel Framing and Fittings

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

229 products

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

1 product

Locking-Slotted Framing and Fittings

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

6 products

Fastening and Joining

Spring Plungers

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

1,403 products

Spring Plunger Catches

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

16 products

Thumb Screws

Tighten and loosen by hand without the need for tools

1,519 products

Studs

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

128 products

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

3 products

Welding Pliers

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

2 products

Power Transmission

Turntable Bearings

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

53 products

Positioning Slides

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

160 products

Electric Actuators

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

10 products

Air Cylinders

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

6 products

Brake Spring Pliers

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

1 product

Containers, Storage, and Furniture

Pliers Organizers

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

1 product

Pail Stabilizers

Hold pails in place to prevent them from tipping and sliding

1 product

Tote Boxes

Store and move items around your facility on conveyors and by hand

4 products

Battery Carriers

Add a handle to a large-cell battery to lift and move it

3 products

Tweezer Cases

Organize and protect tweezers

3 products

Fluid Handling

Mixer Clamps

Mount mixers to stands, pipes, or tank rims

9 products

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

Pipe and Pipe Fittings

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

1 product

Electrical

Cord Grip Pliers

Assemble and install cord grips in a range of thread sizes

1 product

Conduit Locknut and Reaming Pliers

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

1 product

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

54 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

Facility and Grounds Maintenance

Painting Supports

Position under workpieces to paint all of their sides without damaging the coating

1 product

Communication

Easels

Hold paper pads and boards up for display

4 products