Counterbore Spacers | McMaster-Carr

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System of Measurement

Screw Size

OD

Material

Stainless Steel

ID

Washer Type

Countersink Angle

Finish

Black Zinc Plated

Thickness

0.015" to 0.019"

0.017" to 0.021"

0.020" to 0.025"

0.023" to 0.028"

0.028" to 0.034"

0.037" to 0.045"

0.084" to 0.104"

0.094" to 0.114"

0.097" to 0.117"

0.115" to 0.135"

0.130" to 0.151"

0.198" to 0.218"

0.271" to 0.291"

0.2 mm to 0.3 mm

Overall Height

Color

Shape

Height

Hardness

Rockwell 15N 80

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Mounting Hole Diameter

Counterbore Diameter

Specifications Met

Maximum Temperature

Performance

Abrasion Resistant

Corrosion Resistant

Electrically Insulating

Minimum Temperature

Mounting Surface Height

Sleeve OD

How can we improve?

229 Products

Fastening and Joining

Finishing Washers

Finishing Washers

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

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

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

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