Central Steel Supply Company, Marlborough, MA.
Central Steel Supply Company
85 Ames Street
Marlborough, MA 01752
Phone: 800-345-3232 | 508-573-5300
Email: sales@centralsteelsupply.com
Website: www.centralsteelsupply.com
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Structural Washers are hardened washers manufactured to ASTM F436 for high-strength bolting assemblies, offering the durability and load-bearing reliability required for structural steel connections, anchor rods, and other critical applications. Standard Flat Washers, by comparison, are general-purpose washers used to distribute load and protect surfaces in everyday fastening, typically produced in USS and SAE patterns and available in a variety of non-hardened materials and finishes for light to medium-duty applications. Also available in Stainless Steel.
Structural Washers
Unit of Measure
1 

Item Name

Diameter (in)

Grade

Finish

Drawing

1/2 STRUCTURAL WASHER N/A 1/2 N/A F436 N/A Galvanized Plain Zinc

9/16 STRUCTURAL WASHER N/A 9/16 N/A F436 N/A Galvanized Plain Zinc

5/8 STRUCTURAL WASHER N/A 5/8 N/A F436 N/A Galvanized Plain Zinc

3/4 STRUCTURAL WASHER N/A 3/4 N/A F436 N/A Galvanized Plain Zinc

7/8 STRUCTURAL WASHER N/A 7/8 N/A F436 N/A Galvanized Plain Zinc

1 STRUCTURAL WASHER N/A 1 N/A F436 N/A Galvanized Plain Zinc

1 1/8 STRUCTURAL WASHER N/A 1-1/8 N/A F436 N/A Galvanized Plain Zinc

1 1/4 STRUCTURAL WASHER N/A 1-1/4 N/A F436 N/A Galvanized Plain Zinc

1 3/8 STRUCTURAL WASHER N/A 1-3/8 N/A F436 N/A Galvanized Plain Zinc

1 1/2 STRUCTURAL WASHER N/A 1-1/2 N/A F436 N/A Galvanized Plain Zinc

Unit of Measure
1