Spacers | McMaster-Carr

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Chromate Conversion Coated

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

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Export Control Classification Number (ECCN)

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 49,999 psi

50,000 psi to 99,999 psi

100,000 psi or greater

Specifications Met

Federal Specification

ISO Standard

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OSHA Compliant 29 CFR 1910.179

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How can we improve?

46,055 Products

Fastening and Joining

Spacers

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

4,774 products

Standoffs

Separate, position, or connect components in assemblies

5,257 products

Washers

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

5,182 products

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

277 products

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

167 products

Lock Washers

Resist vibration to prevent fasteners from loosening

1,659 products

Sealing Washers

Prevent fluids from leaking around fasteners

752 products

Finishing Washers

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

156 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

265 products

Cross-Bracing Washers

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

20 products

Thread Adapters

Join threads of a different type, size, and gender

3,611 products

Shims

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

4,171 products

Shim Stock

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

1,260 products

Unthreaded Inserts

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

69 products

Fastener Assortments

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

13 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

Power Transmission

Sleeve Bearings

With no moving parts, the plainest type of bearing

3,405 products

Flanged Sleeve Bearings

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

2,012 products

Thrust Bearings

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

844 products

Mounted Bearings

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

289 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Bearing Nuts

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

412 products

Linear Bearings

Minimize friction as parts move along a shaft

421 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Shaft Collars

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

2,725 products

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

12 products

Rod End Inserts

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

29 products

Disc Springs

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

181 products

Bore Reducers

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

31 products

Machinable Shaft Ends

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

56 products

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

5 products

Pulley and Sprocket Bushings

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

721 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Fabricating and Machining

Drill Bushings

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

3,936 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

168 products

Locating and Support Pads

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

6 products

Locating Rails

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

8 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

92 products

Die Bushings

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

102 products

Slotted Bushings

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

34 products

Lathe Tool Insert Holder Seats

Replace the seats on your lathe tool insert holder

26 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

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,785 products

Door Silencers

Close doors quietly and keep them from rattling in their frames

3 products

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

32 products

Door Stops

Keep doors from slamming into and damaging walls

70 products

Crane Bumpers

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

20 products

Surface Guards

Protect walls and other flat surfaces from impact

9 products

Vibration-Damping Mounts

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

52 products

Strut Channel Framing and Fittings

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

339 products

Panel Hanging Brackets

Mount and remove panels

58 products

Electrical Power, Networking, and Controlling

DIN Rail Spacers

Slide along rails to separate and organize terminal blocks, relays, and other components

1 product

DIN Rail Stops

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

11 products

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

12 products

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Electrical-Terminal Washers

Prevent wires from slipping out from under screw heads to keep electrical connections intact

6 products

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

1 product

Material Handling

Wheel Reducer Bushings

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

21 products

Conveyor Bracket Spacers

Add distance between brackets and conveyor frames

1 product

Tie-Down Washers

Angled sides align and hold tie-down straps

5 products

Dock Bumpers

Prevent damage to docks and vehicles by absorbing impacts

74 products

Cable Bundle Spacers

Separate two bundles of cable to prevent rubbing and wear

4 products

Forklift Fork Spacers

Stop pallets from hitting the front of your forklift during loading

3 products

Measuring and Inspecting

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

Communication

Tag Washers

Bolt onto surfaces to mount tag rings and ties

18 products

Fluid Handling

Pipe and Pipe Fittings

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

24 products