Hongniu Fasteners ASTM F436 Square Beveled Gasket Heavy Duty Structural Washer for Steel Connections

• Customization: Available
• Type: Flat Gasket
• Material: ODM/OEM
• Model NO.: ASTM F436
• Combination Washer Structure: ODM/OEM
• Combination Washer Packaging: ODM/OEM
• Spring Washer Type: ODM/OEM
• Shipping Time: Around 7-40 Days
• Freight: Real-Time Quotation
• Thickness: ODM/OEM
• Dia: ODM/OEM
• Transport Package: Carton Package
• Specification: ODM/OEM
• Trademark: ODM/OEM
• Origin: China
• Package Size: 35.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 23.000kg

Product Description

Choose us, choose quality. Your reliable partner in fastening solutions.

Support the production and customization of various fasteners.
In Chinese, "Hongniu" means strength and excellence.
Our products live up to our name — high-quality fasteners that take your products to the next level.

Hongniu Automotive Parts Co., Ltd

Business cooperation is based on honesty and trust.
We will do our utmost to be your reliable and long-term supplier, safeguarding the quality of your products.
Our relationship is not merely that of a buyer and a seller — we are partners who depend on each other to create both wealth and reputation.

Product Overview

ASTM F436 Square Beveled Washers are designed for structural applications where beams or channels have sloped flanges. The beveled surface ensures proper load distribution and alignment between the bolt head/nut and the bearing surface. They are widely used in steel structure assembly, bridge construction, and heavy machinery.

1. Strictly conforms to ASTM F436 Standard
2. Stable bearing performance under high loads
3. Accurate bevel angle for precise installation
4. Corrosion-resistant coating for outdoor use
5. Custom dimensions and surface treatments available

Item	ASTM F436 Square Beveled Washer
Standard	ASTM F436 Type 1 / Type 3
Material	Carbon Steel / Weathering Steel
Surface Finish	Plain / Zinc Plated / Hot Dip Galvanized / Black Oxide
Hardness	38–45 HRC
Bevel Angle	1:6 or customized
Outer Diameter (OD)	50–150 mm
Inner Diameter (ID)	18–36 mm
Thickness	4–12 mm
Shape	Square with Beveled Surface
Grade	A325 / A490 Compatible
Package	Bulk, Cartons + Pallet, or Customized
Origin	Jiangsu, China

Finish Advantages

Packaging & Delivery

Carbon Steel: cost-effective and durable
Stainless Steel (A2/A4): excellent corrosion resistance
Alloy Steel: high tensile strength and wear resistance

1. Packaging: Bulk in cartons, plastic bags, or customized boxes
Carton Size: 25kg / carton
2. Pallet: Standard export wooden pallet
3. Lead Time: 7–25 days depending on order quantity
4. Shipping: By sea, air, or express (DHL, FedEx, UPS)

Applications

1. Structural steel connections
2. Bridges and heavy construction projects
3. Tower and column assembly
4. Equipment baseplates
5. Machinery and automotive industries appliances

Company Profile

Company introduction

Yangzhou Hongniu Import and Export Co., Ltd. is the foreign trade subsidiary of Jiangsu Hongding Automotive Parts Co., Ltd.
It was founded in June 2000. Located in Tangzhuang Town Industrial Park, Gaoyou City, with convenient transportation.
The company covers an area of 35000 square meters and currently has over 300 employees, including 70 high-level and intermediate professional and technical personnel. Registered capital of 20 million yuan, total assets of 78 million yuan, and fixed assets of 56 million yuan. 
Main products: Various types of automotive parts and fasteners, castings and forgings, etc. 
Widely used in industries such as aerospace, machinery, wind power, textiles, automotive manufacturing, petroleum, forging, etc.
We have maintained cooperative relationships with dozens of large and medium-sized enterprises in China, and are highly valued by our customers due to our good reputation and excellent quality.

Why Choose Us 

1. 20+ Years Manufacturing Experience
2. ISO9001 Certified Factory
3. Support OEM / ODM & Custom Packaging
4. Fast Delivery and Competitive Price
5. Professional Export Team for the Europe, Australia, North and South America,etc.

Certifications

FAQ

Please feel free to talk more with us!

Q1: What is the minimum order quantity?
A1: Products in stock with no MOQ. If you need us to produce, the MOQ is 10,000pcs.
Q2: Can you provide a sample? 
A2: Sure, some samples are provided free of charge, but not including freight. 
Q3: How long is your delivery time? 
A3: Generally, it is 10-15 days if the products are in stock. or it is around 30 days to produce, and it is according to quantity. 
Q4: What is your payment method? 
A4:  T/T, 30% deposit in advance, balance payment before loading.  Order less than 5,000USD, 100% payment to reduce the bank charges. 
Q5: Can you customize the product according to the requirements of drawing sheets and so on? 
A5: Yes, please feel free to talk more details with us and send us the design drafts.