Spacers | McMaster-Carr

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44,687 Products

Fastening and Joining

Spacers

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

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Washers

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

Insulating Washers

Insulating Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Finishing Washers

Finishing Washers

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

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Cross-Bracing Washers

Cross-Bracing Washers

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Shim Stock

Cut into custom shapes for leveling and aligning fasteners, machinery components, and more

Unthreaded Inserts

Unthreaded Inserts

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

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Jack Screws

Secure computer cables and panels

Power Transmission

Plain Bearings

With no moving parts, the simplest type of bearing

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Bearing Nuts

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

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Shaft Collars

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

Rod End Inserts

Rod End Inserts

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

Bore Reducers

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

Machinable Shaft Ends

Machinable Shaft Ends

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

Shaft Couplings

Shaft Couplings

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

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Fabricating and Machining

Drill Bushings

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

Locating and Support Buttons

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

Locating and Support Pads

Locating and Support Pads

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

Locating Rails

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

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

Broach Shims

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

Clamp Holding Washers

Clamp Holding Washers

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

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Door Silencers

Close doors quietly and keep them from rattling in their frames

Grommets

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

Door Stops

Keep doors from slamming into and damaging walls

Surface Guards

Protect walls and other flat surfaces from impact

Crane Bumpers

Resist heavy hits on cranes to protect walls or beams and extend crane life

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

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

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Electrical

DIN Rail Spacers

DIN Rail Spacers

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

DIN Rail Stops

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

Electrical Enclosure Mounts

Electrical Enclosure Mounts

Secure electrical boxes to the floor or a pole

Electrical-Terminal Washers

Electrical-Terminal Washers

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

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Material Handling

Wheel Reducer Bushings

Wheel Reducer Bushings

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

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

Dock Bumpers

Prevent damage to docks and vehicles by absorbing impacts

Communication

Tag Washers

Bolt onto surfaces to mount tag rings and ties

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)