Metric Supports | McMaster-Carr

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Compliant with Exemptions

Not Compliant

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Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

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Electrically Insulating

Bearing Type

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Round with Support Rail

Shaft Mount Type

19,416 Products

Material Handling

Pipe Supports

Brace pipe, tube, and conduit that needs to be routed between studs or elevated off the floor

74 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

663 products

Pipe Hangers

Suspend pipe, conduit, and tube from rods, hooks, and straps

340 products

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

866 products

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

478 products

Riser Clamps

Wide flanges support vertical pipe passing through floors

38 products

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

29 products

Pipe Cradles

Add support to prevent insulation from tearing when routing insulated pipe through loop hangers

20 products

Robot Pedestals

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

4 products

Lanyards

Pull, hang, tie down, and tether objects with the attached fittings

2 products

Conveyor T-Slot Bolts

Drop into the T-slot to mount components

12 products

Building and Machinery Hardware

Leveling Mounts

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

305 products

Vibration-Damping Mounts

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

223 products

Leveling Mount Inserts

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

15 products

Protective Feet

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

2 products

Strut Channel Framing and Fittings

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

532 products

T-Slotted Framing and Fittings

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

242 products

Locking-Slotted Framing and Fittings

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

4 products

Flush-Fit Framing Rails

Join flush-fit framing rails to build smooth stair and platform railings

1 product

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

8 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

400 products

Brackets

Connect surfaces in an assembly

112 products

Cam Handles

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

47 products

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

1 product

Power Transmission

Linear Bearings

Minimize friction as parts move along a shaft

318 products

Bearing Housings

Mount your own bearings in place

20 products

Sleeve Bearings

With no moving parts, the plainest type of bearing

1,172 products

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

277 products

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

263 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

4 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

15 products

Ball Bearings

Create less friction than other bearings for use at high speeds

1,451 products

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

774 products

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

420 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

72 products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

8 products

Electric Slides

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

55 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

556 products

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

8 products

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

263 products

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

8 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

5 products

Air Slides

Convey grippers, printing heads, and other loads back and forth on a carriage

114 products

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

34 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

223 products

End Supports for Ball Screws and Precision Lead Screws

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

3 products

Carriages and Guide Rails

Carry loads along guide rails on accurate and repeatable paths in automated systems

393 products

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

73 products

Gas Spring Mounts

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

121 products

Track Rollers

Support and carry objects as they move along conveyor systems

4 products

Telescoping Rails

Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms

40 products

Positioning Slides

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

23 products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

1,030 products

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

11 products

Ball Splines and Bearings

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

51 products

Fastening and Joining

Standoffs

Separate, position, or connect components in assemblies

1,395 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

1,017 products

Thread Adapters

Join threads of a different type, size, and gender

2,334 products

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

4 products

Studs

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

6 products

Weld Nuts

Weld to metal surfaces to add permanent threads

3 products

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

18 products

Threaded Rod Collars

Hold and position parts on a threaded rod

10 products

Fabricating and Machining

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

29 products

T-Slot Nuts

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

120 products

T-Slot Bolts

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

105 products

T-Slot Covers

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

6 products

T-Slot Fixture Plates

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

3 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

736 products

Tooling Balls

Create a physical reference point for aligning workpieces in fixturing

4 products

Fixture Kits

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

16 products

Setup Studs

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

307 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

37 products

Fixture Tables

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

15 products

Slotted Bushings

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

7 products

Support Blocks

Support setup clamps for quick height adjustments

3 products

T-Tracks

A versatile foundation for custom fixturing setups

14 products

Fixture Keys

Locate fixtures and vises on your machine table

16 products

Grippers

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

6 products

Angle Plates

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

3 products

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

34 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

1 product

Fixture Clamps

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

75 products

Jaw Fixtures

Mount to a milling machine, drill press, or other flat surface to grip workpieces

8 products

Die Bushings

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

3 products

Swivel Pads

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

7 products

C-Clamps

Temporarily secure workpieces together or to a work surface

15 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

2 products

Electrical Power, Networking, and Controlling

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

2 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

115 products

Cable and Hose Carriers

Route, protect, and guide moving cable

164 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

52 products

Gauge Blocks

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

193 products

Micrometer Heads

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

1 product

Alignment Pins

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

15 products

Scales

Bench-top, hanging, floor, and conveyor scales

1 product

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

31 products