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.

Yokelink supply a vast range of Fasteners for various industries, including construction, automotive, machinery, energy, electronics, and more. To ISO, DIN, ANSI/ASME, BS, and JIS standards, including: Nuts, Bolts, Screws, Washers .

There are hundreds of combinations of materials, heads, threads, plating, heat treating, and secondary operations. The materials and finishes including Steel, Brass, Stainless Steel, Aluminum, Zinc plating, Galvanized and Black.

We provide standard and specialised Fastener solutions, coupled with industry customers. We can also have the flexibility, capacity and expertise to manufacture fully customised Fasteners specific to your application.

YOKELINK FASTENERS INCLUDING:

• Heavy Hex Bolt (ASTM A325/A325M, ASTM A490/A490M, EN14399-3, EN14399-4, JIS B1186(F10T), GB1228, AS1252, IS3757)
• Tension Control Bolt(ASTM F1852, F2280, EN14399-10, S10T, GB3632)
• Shear Connector (ISO13918, AWSD1.1 / 1.5, GB/T 10433, JIS B1198)
• Hex Bolt (DIN933 / DIN931, ISO4014 / 4017, EN15048, SAE A307, AS1110, JIS B1180 grade 4.8,8.8,10.9)
• Foundation Anchor Bolt ("L","J","U","I" type with 4.8, 8.8 and 10.9 grade. ASTM F1554 GR 36, 55, 105 )
• Thread Rod including Stud Bolt (DIN975 / 976, A193 B7)

Main Applications We Serve:

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