3/4" 5/8" ASTM F436 Hardened Washer And F436M Type 1 Lock/Flat Washers

ASTM F436 Round Structural Washer
 

ASTM F436 thru hardened structural flat washers are used under bolt heads or nuts to increase the bearing surface area, or to offer protection so that the nut or bolt can

be rotated without distortion of the bearing surface. They are designed for general purpose and structural use with bolts, nuts, studs, and other internally and externally threaded fasteners. Dimensional specifications are governed by ASTM F436. Dimensionally comparable to the low carbon SAE Washer, but manufactured from a higher grade of steel and heat treated. F436 washers are suitable for use with many fastener grades including B7, B16, L7, and A325 and A490 structural bolts. Also used with fasteners covered in A354 and A449.
Yokelink supply ASTM F436 & F426M flat washer ranging from 1/4″ to 4″ inclusive. Meanwhile These heat treated washers are for general purpose and structural use and are suitable for use with A325 and A490 structural bolts. F436 Material Grade are hardened flat washers which have a Rockwell Hardness value ranging between 38 to 45 HRC. These washers can either have a plain finish or can be hot dipped galvanized. The hardened flat F436 Washer is used under bolt nuts and head in order to increase the bearing area.

When you need ASTM F436 Round Structural Washer, refer to above our catalog. We offer them in a full selection of sizes. Provide the size, diameter or part number. Our ASTM F436 Round Structural Washer are available plain or with hot dip galvanized (HDG) finish. To get a quote on these bolts, leave your message, or send us an email. You can also call us to get answers to your questions and place your order.