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High-Quality Hex Flange Screws made from carbon and stainless steel, sized from 1/4" to 1", offer superior performance for a variety of applications, including concrete bolt installations. With an integrated flange design, these screws provide a large bearing area that enhances load distribution, improves resistance to loosening, and minimizes head indentation during assembly, making them ideal for high-vibration environments. Built with rigorous quality control standards and suitable for truck frame and piping applications, these screws replace traditional hex cap screws and washers, delivering the reliability and durability needed for demanding projects.
**Team Strength:**
At our company, the strength of our team is reflected in our high-quality hex flange screws, crafted from durable carbon and stainless steel., With sizes ranging from 1/4" to 1", our dedicated team of engineers and quality assurance experts work collaboratively to ensure that each screw meets rigorous industry standards. Our commitment to exceptional craftsmanship ensures that every product is not only reliable but also efficient in a wide range of applications. By harnessing the skills and expertise of our diverse team, we deliver components that our customers can trust, reinforcing the integrity and performance of their projects. Experience the power of a united team with our premium products.
**Team Strength: High-Quality Hex Flange Screws**
At the heart of our operation lies a skilled team dedicated to delivering the highest quality hex flange screws, crafted from both carbon and stainless steel. Our engineers and product specialists collaborate closely, ensuring every screw, ranging from 1/4" to 1", meets rigorous standards of durability and performance. This collective expertise not only guarantees superior craftsmanship but also fosters innovation in design and functionality. We pride ourselves on commitment to teamwork, quick response times, and unparalleled customer service, creating a trusted partnership with our clients. Choose our hex flange screws, where team strength translates to unmatched reliability.
Hex Flange Screws (also called Flange Bolts) incorporate a large bearing face (flange) into a one piece head design. The large bearing area under the head of this design provides additional benefits for assemblies over standard hex head cap screws:
Large bearing area under the head distributes clamp load over a larger area to resist fatigue loads. Minimizes indentation of the head into the material being bolted together to prevent loosening. Increases the heads resistance to rotation to prevent loosening in high vibration applications. Eliminates the need for a flat washer.
Hex Flange Screws are commonly called Frame Bolts because of their popularity in the trucking industry for use on assembly of truck frame rails. Hex Flange Screws are also used on pipe flange applications because the larger bearing area under the head helps ensure that the gasket is uniformly compressed to eliminate leaks. Hex Flange Screw can be used in any assembly that is currently using a hex cap screw and washer to eliminate the washer.
Hex Flange bolt | |
Size: | 1/4”-1”,M6-M30 |
Material: | Carbon Steel |
Grade: | A307 Gr. A; SAE J429 Gr.2, 5,8 Class: 8.8, 10.9, 12.9 A2-70, A2-80, A4-70, A4-80 (Stainless Steel) |
Finish: | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G. |
JM Hardware conducts product quality control in strict accordance with ISO 9001 standards to ensure that our products meet high quality standards. Below are our five quality control steps:
These quality control measures constitute JM Hardware's quality management system, and we are constantly striving to improve the quality of our products and are committed to meeting the needs of our customers. We believe that quality control is the key to our success.
JM Hardware® testing report
Registered trademarks
RegisterJM in USA,EU ,UK,Quality Assuranc
Strong R&D Capability
Successfully developed 680+ new products in past 16 years
Rich Industry Experience
JM has the rich experience to supply the high quality fasteners to Project contractor
Mature & professional service teams
Provides 24/7 online and offline services for you,70%stuff have 5+ working experience in JM
Rich export experience
15+ years exported to 70+ countries
Supply one-stop service & DDP term
Help clients purchase other products,realize door-to-door service to make international procurement more convenient
JM Hardware @ has exported its hardware parts to over 85 countries around the world.
We will make unremitting efforts to provide hardware parts with high quality and reasonable prices for our customers.

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