Engineering Resources

Engineering Data
Engineering Reference Handbook
How to Specify Custom Parts
Engineering Reference Handbook

Bus Bars Washers - C Shaped
Clamps and Brackets Washers - Centering
Expansion Plugs Washers - Countersunk
Grounding Straps Washers - Finishing
Insulators Washers - Flat
Jumpers Washers - Lock
Retaining Rings Washers - Odd Shaped ID
Sheet Metal Nuts and Strips Washers - Odd Shaped OD
Solder Lugs Washers - Retaining
Spacers Washers - Retention
Spring Clips Washers - Shoulder
Tags Washers - Split
Washers - Spring
Washers - Tab, Key, and Notch
Washers - Terminal Cup


Centering Washers

Centering Washer - Style 1

Definition: Centering washers are available in three styles depending on the requirements of the application. Centering washer – Style 1 is used to recess and center the bolt or nut head while the flange supports the washer on the end of the hole or spring.

Style 1 Centering Washers are available in the following materials and finishes:

  • Cold Rolled Steel (Steel): Black Oxide, Cadmium types I & II, Chrome, Degreasing, Bright Nickel, Pickling, Phosphate, Silver, Bright Tin, Hot Tin Dip, and Zinc types I & II

Centering Washer: 5760 - Style 1

Example: Centering Washer Style 1


Centers and recesses screw in hole or spring.



Centering Washer - Style 2

Definition: Centering washers are available in three styles depending on the requirements of the application. Centering washer – Style 2 is used to center the bolt or screw in an oversized hole while the flange supports the washer on the end of the hole.

Style 2 Centering Washers are available in the following materials and finishes:

  • Cold Rolled Steel (Steel): Black Oxide, Cadmium types I & II, Chrome, Degreasing, Bright Nickel, Pickling, Phosphate, Silver, Bright Tin, Hot Tin Dip, and Zinc types I & II

Centering Washer: 5760 - Style 2

Example: Centering Washer Style 2



Centering Washer - Style 3

Definition: Centering washers are available in three styles depending on the requirements of the application. Centering washer – Style 3 is used to recess and center the bolt or nut head in a holes in applications that don’t need a supporting flange.

Style 3 Centering Washers are available in the following materials and finishes:

  • Cold Rolled Steel (Steel): Black Oxide, Cadmium types I & II, Chrome, Degreasing, Bright Nickel, Pickling, Phosphate, Silver, Bright Tin, Hot Tin Dip, and Zinc types I & II

Centering Washer: 5760 - Style 3

Example: Centering Washer Style 3