Model NO.: A325/A490
Application: Machinery & Construction
Finish: Hot Galvanized
Bolts Standard No.: ASTM A325/A490
Nuts Standard No.: ASTM A194/A563
Washers Standard No.: SAE/ASTM F436
Size: 1/2"-1 1/2"
Thread Length: 1.00"-2.25"
Usage: Industrial Machinery, Structural Applications
Delivery Lead Time: 30-35 Days After 30% Deposit
Trademark: MY
Transport Package: 25kg per Box, 36 Boxes per Pallet
Specification: ASTM, DIN, ANSI, ISO, JIS
Origin: China
HS Code: 73182200
Product Name | ASTM A325 Heavy Hex Structural Bolt |
Standard | ASTM |
Material | Carbon Steel, Alloy Steel, Stainless Steel |
Size | 1/2"-1 1/2" |
Class | Type 1 |
Surface Treatment | Plain, Black Oxide, Zinc Plated (Yellow), Hot-Dipped Galvanized |
Delivery Lead Time | Typically 30-45 working days |
Certificate | ISO 9001:2008 |
Package | 25kg per box, 36 boxes per pallet |
Sample | Free sample available upon request |
Export Market | USA, Canada, Brazil, UK, France, Germany, Spain, Italy, Switzerland, Dubai, Singapore, Malaysia, Japan, South Korea, etc. |
Product Display


Milfast Advantages
1). Superior Quality Control
2). Competitive Pricing
3). OEM Accepted
4). Custom Design and Logo Welcome
5). 24-Hour Customer Support
Manufacturer Introduction
Ningbo Beilun Milfast Metalworks Co., Ltd. was established based on the principles of international standards such as DIN, ANSI, ASTM, JIS, BSW, and EN. With a wide range of materials including carbon steel, alloy steel, and more, we have developed extensive expertise in cold heading, heat treatment, and other metal processing technologies. We specialize in manufacturing various fasteners like Stud Bolts, Hex Bolts, Flange Bolts, Hex Nuts and Flange Nuts, Flat Washers, Spring Washers, and Non-Standard Products. Our commitment to quality and customer satisfaction has led us to build long-term relationships with clients across South Korea, the Middle East, Europe, India, and South America.
Service
Our tagline, "FOEGED FROM INTEGRITY, BUILT FROM SECURITY," reflects our business philosophy. We prioritize product quality, following strict industry and customer standards to ensure consistency, reliability, and customer satisfaction. Our customers are at the core of everything we do, and we strive to be a responsible corporate citizen while delivering value through every project.
We are involved in offering PTFE Bush that is highly popular for its anti-corrosive properties. Manufactured in compliance with the set industry standards, we assure the utmost quality of the product offered. Conceding to the diverse requirements and demands of our valued patrons, we make the offered range of bushes available in various sizes in the market.
PTFE Bush,Pigmented PTFE Bush,Reinforced PTFE Bush,Pure PTFE Bushes
LIAONING HUARI NEW MATERIALS CO., LTD. , https://www.ptfebush.com