Unthreaded Metric Spacers | McMaster-Carr

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System of Measurement

Screw Size

ID

OD

Length

Material

Stainless Steel

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

Washer Type

Shape

Color

Finish

Chromate Conversion Coated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Specifications Met

Fed. Spec. QQ-S-698

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Hardness

Export Control Classification Number (ECCN)

Overall Height

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

High Temperature

High Visibility

Impact Resistant

Moisture Resistant

Tensile Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 49,999 psi

80,000 psi or greater

Gender

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

Fastener Strength Grade/Class

Washer Designation

General Purpose

Drill Bit Size

Minimum Temperature

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

How can we improve?

5,272 Products

Fastening and Joining

Spacers

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

Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Insulating Washers

Insulating Washers

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

Finishing Washers

Finishing Washers

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

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Unthreaded Inserts

Unthreaded Inserts

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

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

Fabricating and Machining

Drill Bushings

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

Power Transmission

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

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