Dale Company
Top U-Bolt Manufacturer Since 1959
square washersWhat are Square Channel & Dock Washers?

Dale Fastener Supply stocks a variety of Square Strut Washers, Square Channel Washers, and Square Dock Washers that are made from zinc-plated steel, hot-dipped galvanized steel, and 316 stainless steel and are available in various sizes. Square washers are often used in construction where building codes specify the channel washer as a structural component of framing and other subsystems, or in channels or struts.

Galvanized Square Washers, Hot Dipped

Most commonly used in harsh environments as it offers more corrosion resistance than zinc and zinc yellow-chromate. Additionally, offers a level of anti-vibration that prevents the loosening of fasteners.

Part Number Bolt Size Width Thickness
HDGSW14 1/4 1 5/8″ 1/4″
HDGSW38 3/8″ 1 5/8″ 1/4″
HDGSW12 1/2″ 1 5/8″ 1/4″

Stainless Steel Square Washers, 316 SS

Ideal for everyday fastening applications, our 316 stainless steel square washers combine corrosion resistance capabilities with high yield strength.

Part Number Bolt Size Width Thickness
316SW14 1/4″ 1 5/8″ 1/4″
316SW38 3/8″ 1 5/8″ 1/4″
316SW12 1/2″ 1 5/8″ 1/4″

Zinc Plated Square Washers

Protects substrate metals, such as steel and iron, by preventing corrosion and rusting. This coating is ideal for wet environments where parts are subjected to higher levels of humidity.

Part Number Bolt Size Width Thickness
ZPSW14 1/4″ 1 5/8″ 1/4″
ZPSW38 3/8″ 1 5/8″ 1/4″
ZPSW12 1/2″ 1 5/8″ 1/4″