Steel Spacers | McMaster-Carr

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Electrical Insulating

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

Yes

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Threading

Threaded on Both Ends

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How can we improve?

27,802 Products

Fastening and Joining

Spacers

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

1,809 products

Standoffs

Separate, position, or connect components in assemblies

2,577 products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

3,380 products

Lock Washers

Resist vibration to prevent fasteners from loosening

1,563 products

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

113 products

Sealing Washers

Prevent fluids from leaking around fasteners

231 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

229 products

Thread Adapters

Join threads of a different type, size, and gender

2,876 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

3,352 products

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

791 products

Unthreaded Inserts

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

49 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

12 products

Jack Screws

Create vibration-resistant connections between D-sub cords and panels

22 products

Threaded Rod Collars

Hold and position parts on a threaded rod

76 products

Fabricating and Machining

Drill Bushings

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

4,035 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

163 products

Locating and Support Pads

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

6 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

92 products

Locating Rails

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

8 products

Slotted Bushings

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

34 products

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

12 products

Broach Shims

Slide between a keyway broach and bushing to control the keyway's depth when cutting more than once

29 products

Power Transmission

Sleeve Bearings

With no moving parts, the plainest type of bearing

73 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Linear Bearings

Minimize friction as parts move along a shaft

421 products

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

412 products

Mounted Bearings

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

93 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Thrust Bearings

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

25 products

Shaft Collars

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

2,710 products

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

181 products

Rod End Inserts

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

29 products

Pulley and Sprocket Bushings

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

663 products

Bore Reducers

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

25 products

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

56 products

Flexible Shaft Coupling Hubs

Pair with spiders, discs, or grids for a complete flexible shaft coupling

14 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,120 products

Crane Bumpers

Absorb impact to protect your crane—and surrounding walls and beams—when it comes to a stop

20 products

Door Stops

Keep doors from slamming into and damaging walls

16 products

Strut Channel Framing and Fittings

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

311 products

Vibration-Damping Mounts

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

7 products

Measuring and Inspecting

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

Material Handling

Wheel Reducer Bushings

Reduce the inside diameter of a bearing to fit a particular axle size

20 products

Tie-Down Washers

Angled sides align and hold tie-down straps

5 products

Forklift Fork Spacers

Stop pallets from hitting the front of your forklift during loading

3 products

Communication

Tag Washers

Bolt onto surfaces to mount tag rings and ties

18 products

Fluid Handling

Pipe Collars

Clamp pipe passing through floors and walls

24 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

DIN Rail Stops

Keep components such as terminal locks and relays from shifting on rails

4 products