Metric Spacers | McMaster-Carr

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System of Measurement

Thread Type

Metric Trapezoidal

Length

Screw Size

Material

Stainless Steel

OD

ID

Thread Size

Shape

Thickness

0.2 mm to 0.3 mm

0.2 mm to 0.4 mm

0.2 mm to 0.5 mm

0.203 mm to 0.508 mm

0.3 mm to 0.4 mm

0.3 mm to 0.5 mm

0.4 mm to 0.5 mm

0.4 mm to 0.6 mm

Gender

Shaft Diameter

Hex Size

Thread Length

Color

Mount Type

Unthreaded Hole

Unthreaded Through Hole

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

Flame Retardant

High Misalignment

Washer Type

RoHS

Compliant with Exemptions

REACH

Hardness

Durometer 50 OO

Durometer 70 OO

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Finish

Chromate Conversion Coated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Tensile Strength

Less than 10,000 psi

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

Thread Pitch

How can we improve?

13,566 Products

Fastening and Joining

Spacers

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

Standoffs

Separate, position, or connect 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

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

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Shims

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

Shim Stock

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

Unthreaded Inserts

Unthreaded Inserts

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

Fastener Assortments

Fastener Assortments

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

Threaded Rod Collars

Threaded Rod Collars

Hold and position parts on a threaded rod

Power Transmission

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Thrust Bearings

Thrust Bearings

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

Bearing Nuts

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

Mounted Bearings

Mounted Bearings

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

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

Bore Reducers

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

Disc Springs

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

Rod End Inserts

Rod End Inserts

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

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

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

Parallels

Raise workpieces above your vise to create clearance for cutting tools

Die Bushings

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

Slotted Bushings

Slotted Bushings

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

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

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Grommets

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

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

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