Work-Holding Clamps | McMaster-Carr

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Clamping Action

Clamp Type

Mount Type

System of Measurement

Thread Size

Handle Position When Clamped

Handle Style

Material

Overall Length When Clamped

Holding Capacity

1,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

Body Material

Maximum Clamping Clearance

Length

Vise Type

Arm Length

Number of Mounting Holes

Plunger Travel

Holding Screw Thread Size

Stud Diameter

Holding Screw Tip Material

Handle Material

REACH

DFARS Specialty Metals

Grip Style

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

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2,379 Products

Fabricating and Machining

Clamps

Hold workpieces securely in place

814 products

Vises

Secure workpieces in place

369 products

Spring Clamp Workholders

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

7 products

Vacuum Workholding Plates

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

8 products

Workholding and Positioning Bases

Position objects on workbenches and assembly stations

3 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

Clothespins

Hold light items, secure covers, and seal bags

4 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

Fixture Clamps

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

319 products

T-Slot Clamp Supports

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

7 products

T-Tracks

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

2 products

Step Blocks

Support setup clamps for quick height adjustments

10 products

Fixture Kits

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

21 products

V-Blocks

Hold round workpieces

40 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

22 products

Parallel Keepers

Keep parallels in place against vise jaws

2 products

Fixture Tables

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

42 products

Locating Pin Retractors

Extend and retract locating pins to protect them when fixtures are moving

4 products

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

16 products

Measuring and Inspecting

Square Holding Clamps

Position squares for repeat checking and marking

1 product

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 Holders

Position and hold variance indicators in place for accurate readings

36 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

5 products

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

2 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

22 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

125 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

6 products

Building and Machinery Hardware

Cam Handles

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

106 products

Positioning Arms

Mount and position tools, small electronics, and displays

5 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

2 products

Fastening and Joining

Document Clips

Hold loose papers together without creating a permanent mark

2 products