(10000 pcs) #4, Tooth Lock Washers, External Tooth, 18-8 Stainless Steel, Black Oxide

DIMENSIONAL ATTRIBUTES | Diameter (Nominal): #4 | Diameter (Dimension): 0.1098" | Inside Diameter (Minimum): 0.115" | Inside Diameter (Maximum): 0.123" | Outside Diameter (Minimum): 0.245" | Outside Diameter (Maximum): 0.26" | Thickness (Minimum): 0.012" | Thickness (Maximum): 0.018" | PRODUCT ATTRIBUTES | Category: Tooth Lock Washers | System of Measurement: Inch | Brand: Aspen Fasteners | Form and Design: External Tooth | Material: Stainless Steel | Material Grade: 18-8 Stainless Steel | Coating: Oxidized | Coating Color: Black | Hardness Rating: Rockwell C20-C45 | Origin: Origin Undefined | Standards and Specifications: ASME B18.21.1 | NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.

• Tooth washers are made with small sharp and twisted teeth that, when compressed, prevent loosening.
• Effective as a lock washer when used with a soft substrate, such as aluminium or plastic.
• In electrical applications, the teeth create a grounding surface to improve the connection.
• 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
• Stainless steel significantly improves resistance to tarnishing or corrosion.