• Nominal washer sizes are intended for use with comparable nominal screw or bolt sizes.
  • Inside and outside diameters shall be concentric within at least the inside diameter tolerance.
  • The 0.734" and 1.469" outside diameters avoid washers which could be used in coin operated devices.
  • Washers shall be flat within 0.005" for basic outside diameters up to and including 0.875" and within 0.010" for larger outside diameters.
Unit of Measure

Manufacturer

Manufacturer

Industrial Fasteners Institute

Specifications

Product

Washers

Unit of Measure

English

Nominal Washer Size

No. 2

Nominal Washer Size (Decimal)

0.0860 in

Series

Wide

Basic Inside Diameter (A)

0.094 in

Tolerance for Inside Diameter (A)

+0.000 in-0.005 in

Basic Outside Diameter (B)

0.344 in

Tolerance for Outside Diameter (B)

+0.000 in-0.005 in

Basic Thickness (C)

0.032 in

Max. Thickness (C)

0.036 in

Min. Thickness (C)

0.028 in

Codes and Standards

Codes and Standards

ASME B18.22.1 1965 (R1998)
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