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Sales Systems Limited Products and Services > Fasteners Reference Guide > Washers > Lock Washers > Extra-Duty Helical Spring Lock Washers > Item # EDHSLW0250XXX  
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Item # EDHSLW0250XXX, Extra-Duty Helical Spring Lock Washer, 0.260" I.D.



  • Dimensions are in inches.
  • Formerly designated Extra Heavy Helical Spring Lock Washers.
Standard Stock Material
  • Carbon Steel
  • Stainless Steel
  • Phosphorus Bronze





Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Washers

Unit of Measure

English

Nominal Washer Size

1/4 in

Nominal Washer Size (Decimal)

0.2500 in

Max. Inside Diameter (A)

0.260 in

Min. Inside Diameter (A)

0.252 in

Max. Outside Diameter (B)

0.533 in

Min. Mean Section Thickness (ti + to)/2

0.084 in

Min. Section Width (W)

0.132 in

Min. Bearing Width (BW)

0.092 in

Material

Carbon Steel
Phosphorus Bronze

Stainless Steel


Codes and Standards

Codes and Standards

ASME B18.21.1 1999


Distributor of Industry Standard and Military Specification Threaded Fasteners