Zinc-Plated High-Strength Heavy Hex Structural ASTM A490 Bolts
These high-quality heavy hex structural bolts are designed for demanding applications where strength and durability are essential. They are manufactured in compliance with international standards such as DIN, ASTM/ANSI, JIS, EN, ISO, AS, and GB, ensuring compatibility and reliability across different industries.
**Key Features:**
- **Material:** Carbon steel, high-strength steel, stainless steel, and other custom materials available
- **Head Type:** Hex Head Flange
- **Finish Options:** Zinc plating (yellow, white, blue, black), hot-dip galvanizing, black oxide, Dacromet, anodizing, nickel plating, and more
- **Standards:** DIN 6923, DIN 934, DIN 1587, and others
- **Grades Available:** 4.8, 5.6, 8.8, 10.9, 12.9, and more
- **Application:** Ideal for machinery, construction, and structural engineering projects
We offer both standard and customized fasteners, with production processes including cold forging (M2-M24) and hot forging (M24-M100), as well as CNC machining for special requirements. Our stock includes a wide range of grades like 4.8, 8.8, and 10.9, meeting the needs of various industries.
**Why Choose Us?**
- **Professional Manufacturing:** All products are made according to customer specifications
- **Quality Assurance:** Rigorous testing ensures long-lasting performance
- **Cost-Effective Solutions:** Competitive pricing with direct factory supply
- **Custom Services:** We can produce based on samples or drawings provided
- **Fast Delivery:** Lead time is approximately 10–15 days during off-season and 15–30 days during peak season
Whether you're looking for standard fasteners or custom solutions, we provide expert support and reliable service. Free samples are available for standard items. For more details, visit [www.hainafastener.com](http://www.hainafastener.com).
Let us help you find the right fastening solution for your project—contact us today for personalized assistance!
Elastic Warping Machine
The Elastic Warping Machine, also known as spandex warping machine, is a textile machine used to produce elastic fabrics. It is designed to warp a wide range of elastic materials, including spandex, Lycra, and other stretchable fibers.
The machine consists of a creel, a warp beam, a tension control system, and a warping section. The creel holds the spools of elastic yarn, which are then fed into the warping section. The tension control system ensures that the yarn is evenly distributed and maintains a consistent tension throughout the process.
The warping section consists of a series of rollers that pull the yarn through a series of guides and onto the warp beam. The elastic yarn is then wound onto the warp beam, creating a tightly-woven fabric that can stretch and recover without losing its shape.
The Elastic Warping Machine is widely used in the production of a variety of elastic fabrics, including swimwear, athletic wear, lingerie, and medical garments. It is a highly efficient and cost-effective way to produce high-quality elastic fabrics with consistent performance and durability.
Elastic Warping Machine,Horizontal Warper Advantage,Vertical Warper Advantage,Spandex Warper Specification
suzhou cotex international Co.,Ltd , https://www.cotexmill.com