Metric Holders | McMaster-Carr

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For Rigid Conduit Trade Size

9,405 Products

Most Likely Products

Retention Knobs

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

10 products

T-Slotted Framing and Fittings

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

670 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

1,091 products

Loop Clamps

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

478 products

Pipe Hangers

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

486 products

Shaft Supports

Support linear motion shafts to prevent bending and rolling under loads

72 products

All Results

Material Handling

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

1,091 products

Loop Clamps

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

478 products

Pipe Hangers

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

486 products

Pipe Supports

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

61 products

Beam Clamps

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

12 products

U-Bolts

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

685 products

Pipe Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

6 products

Riser Clamps

Wide flanges support vertical pipe passing through floors

38 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

42 products

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

1 product

Cable Holders

Mount to a surface to secure and route cable

6 products

Conveyor Guide Mounting Rods

Secure guides and other attachments to conveyors

57 products

Fabricating and Machining

Retention Knobs

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

10 products

Milling Machine Collets

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

52 products

Lathe Collets

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

24 products

Die Grinder Collets

Attach to die grinders to hold grinding bits and burs

1 product

T-Slot Nuts

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

73 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

T-Slot Bolts

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

18 products

Fixture Clamps

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

66 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

17 products

Setup Studs

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

311 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

31 products

Fixture Kits

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

15 products

Fixture Keys

Locate fixtures and vises on your machine table

16 products

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

34 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

9 products

Lathe Tools

Shape workpieces as they rotate on a lathe

3 products

Clamps

Hold workpieces securely in place

21 products

Swivel Pads

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

7 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

670 products

Strut Channel Framing and Fittings

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

48 products

Clamp-On Framing and Fittings

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

8 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

Containers, Storage, and Furniture

Wrench Organizers

Keep wrenches in order at your workstation or when carrying them around your facility

4 products

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

1 product

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

8 products

Cabinets

Store objects on enclosed shelves

1 product

Drums

Ship and store large volumes of liquid or dry materials

5 products

Power Transmission

Shaft Supports

Support linear motion shafts to prevent bending and rolling under loads

72 products

Positioning Slides

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

21 products

Connecting Rods

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

263 products

Gas Spring Mounts

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

11 products

Turntable Bearings

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

32 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

51 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

9 products

Variance Indicator Clamps

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

7 products

Alignment Pins

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

15 products

Fastening and Joining

Retaining Rings

Hold components on a shaft

961 products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

1,151 products

Studs

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

209 products

Anchors

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

4 products

Weld Nuts

Weld to metal surfaces to add permanent threads

3 products

Taper Pins

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

232 products

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

541 products

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

137 products

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

192 products

Single-End Studs

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

47 products

Screwdrivers

Tighten and loosen screws

10 products

Threaded Stud and Rod Drivers

Hold and tighten threaded studs and rods

4 products

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

6 products

L-Keys

Turn fasteners from either end and reach into tight spots

11 products

Socket Inserts

Slip into sockets to keep fasteners from falling out

2 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

51 products

Electrical

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

137 products

Cable and Hose Carriers

Route, protect, and guide moving cable

33 products

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

2 products

Fluid Handling

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

7 products