Flat Washers F436 SAE Structural Hot Dipped Galvanized A325 (ALL SIZES)

Flat Washers F436 SAE Structural Hot Dipped Galvanized A325 (ALL SIZES)

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Description
Description
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🔩 Flat Washers F436 SAE Structural Hot Dipped Galvanized A325 (ALL SIZES)

Product Description

These F436 SAE Structural Flat Washers are designed specifically for use with high-strength structural bolts such as ASTM A325 and A490 bolts. Manufactured from hardened steel and finished with hot-dip galvanizing, these washers offer both excellent strength and corrosion resistance for structural steel connections in outdoor and harsh environments.

The hot-dip galvanized coating meets ASTM F2329 standards, providing a thick zinc layer ideal for exposed steel construction. These washers are made to ASTM F436 specifications, ensuring uniform load distribution under high-tension bolted joints and compatibility with heavy hex structural bolts and nuts.

✅ Key Features:

  • Standard: ASTM F436 / SAE

  • Material: Hardened Carbon Steel

  • Finish: Hot-Dip Galvanized (HDG) to ASTM F2329

  • Compatible With: ASTM A325 / A490 Bolts

  • Use: Steel-to-steel structural connections (bridges, buildings, towers)

  • Benefits: High strength, corrosion resistance, heavy-duty performance

📏 Specifications Table

Washer Size (Bolt Size) Inside Diameter (in) Outside Diameter (in) Thickness Range (in) Hardness (HRC) Minimum Proof Load (ksi)
1/2" 9/16 1-3/8 0.097 – 0.122 38 – 45 100 – 120
5/8" 11/16 1-3/4 0.122 – 0.136 38 – 45 100 – 120
3/4" 13/16 2 0.136 – 0.153 38 – 45 100 – 120
7/8" 15/16 2-1/4 0.153 – 0.170 38 – 45 100 – 120
1" 1-1/16 2-1/2 0.170 – 0.188 38 – 45 100 – 120
1-1/8" 1-3/16 2-3/4 0.188 – 0.208 38 – 45 100 – 120
1-1/4" 1-5/16 3 0.208 – 0.229 38 – 45 100 – 120
1-3/8" 1-7/16 3-1/4 0.229 – 0.253 38 – 45 100 – 120
1-1/2" 1-9/16 3-1/2 0.253 – 0.278 38 – 45 100 – 120

📦 Packaging Notes:

  • Sold in bulk, typically by weight or piece count.

  • Ensure compatibility with galvanized fasteners to avoid galvanic corrosion.

  • Meets A325 assembly requirements when used with HDG bolts and nuts.

Shipping & Return
Shipping & Return
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Returns are easy: Simply contact us for a return, replacement, refund, or any questions you may have about the item you received and we will help you through the process quick and easy. Refund Policy Shipping: Most items ship out within 1 business day. Ship to USA only.