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JM Hardware Stud Bolts & U-Bolts - Custom Sizes & Coatings
JM Hardware Stud Bolts & U-Bolts are made-to-order, high-strength fasteners available in custom lengths, diameters and thread types for industrial, automotive and marine uses. They come in multiple materials and coatings (stainless or alloy steel; galvanized, zinc, hot-dip, PTFE and other corrosion-resistant finishes), offering excellent corrosion resistance, precise tolerances and reliable mechanical strength. Fast production, strict quality control and compliance with industry standards mean a dependable fit, long service life and easier installation.
Product features
JM Hardware stud bolts and u bolt products are available in custom sizes (1/4”–4”, M5–M100, lengths up to 6m) and a wide selection of materials from carbon and stainless steels to Inconel, Monel and Hastelloy, meeting multiple mechanical grades and international standards. With optional finishes such as zinc plating, hot-dip galvanizing, PTFE, dacromet and black oxide plus tensile, hardness and corrosion testing, they offer high strength, corrosion resistance and reliable long-term value for industrial applications. Structurally offered as double- or single-ended studs, fully threaded rods and anchor configurations with threads on one or both ends, these fasteners enable secure nut engagement, easy replacement during maintenance and compatibility with project-specific coatings and supply services.
Company profile
JM Hardware is a specialist manufacturer of stud bolts and U‑bolts, delivering custom sizes, materials, and protective coatings to industrial and construction customers. Combining precision machining, strict quality control, and ISO-aligned processes, our product range supports high-strength, corrosion-resistant fastenings for pipelines, machinery, and structural systems. We offer flexible minimums, fast prototyping, and engineering guidance to tailor parts to specification. Value-driven services include traceable material certificates, surface treatments (hot-dip galvanizing, zinc plating, PTFE), competitive lead times, and worldwide logistics. Committed to reliability and cost-effectiveness, JM Hardware partners with OEMs and distributors to ensure consistent performance and long-term service life and support.
Enterprise core strength
JM Hardware is a precision fastener manufacturer specializing in stud bolts and U-bolts, offering custom sizes, grades and protective coatings to meet industrial specifications. Combining modern CNC production, stringent quality control and ISO-certified processes, we deliver durable, corrosion-resistant components from stainless steels to high-strength alloys. Customer-focused engineering support enables fast prototyping, tailored heat treatments and batch traceability. Competitive lead times, scalable capacity and global logistics ensure reliable supply for construction, oil & gas, marine and machinery sectors. Committed to long-term partnerships, JM Hardware provides consistent quality, technical expertise and value-driven pricing to optimize performance and reduce total cost of ownership.
Product Introduction
Stud bolts are used in large-scale equipment that requires installation accessories, such as sight glasses, mechanical seal seats, and reduction racks. When in use, one end is screwed into the main body, and the other end is fitted with a nut after the attachment is installed. Since the attachment is often disassembled, the thread will be worn or damaged. It is very convenient to use stud bolts to replace. In addition, it is also suitable for connecting thick plates and places where it is inconvenient to use hexagonal bolts, such as concrete roof truss, roof beam suspension monorail beam suspension, etc.
Product Parameters
Manufacturing Capabilities of Stud Bolt at JM Hardware® | |
Size: | 1/4”-4”, M5-M100; Length: <=6m |
Material: | Hastelloy,Monel,Inconel,Nickel, Duplex Stainless Steel, Carbon Steel, Alloy Steel, Stainless Steel, Brass |
Grade: | ASTM A453 660 A,B,C,D, SS 304, 316/316L, 310/310S, 314, 317/317L, 904LASTM A193 Gr.B7, B7M, B16, A193.B8,B8M; A320 L7,L7M |
Finish: | Plain, Zinc Plated(Clear/Blue/Yellow/Black/Green)(ROHS), Black oxide, Nickel, Dacrotized, H.D.G., Mechanical galvanized, PTFE(Teflon),Xylan,Zinc Flake |
Different Types for Stud Bolts Available at JM Hardware®
Stud bolts are known by several names depending on the region or industry, including:
Double-ended bolt
Single-ended bolt
Fully-threaded rods
Threaded rods
Stud bolts
Anchor bolts (in specific applications)
These bolts feature threads on both ends and are typically used with nuts to secure flanged connections or other components.
Double-ended bolt
Single-ended bolt
Fully-threaded rods
Threaded rods
Anchor bolts (in specific applications)
Stud Bolt with 2H nut
Materials Available at JM Hardware® Used in Stud Bolt Manufacturing
At JM Hardware®, we offer stud bolts in a wide variety of materials to ensure optimal performance in different environments, including:
Carbon Steel
Commonly used for general-purpose applications. Offers good strength and affordability.
Stainless Steel (SS304, SS316, SS316L, etc.)
Ideal for applications requiring corrosion resistance, such as marine environments or chemical processing plants.
Alloy Steel
Provides excellent strength and durability, making it ideal for high-stress applications like power plants and oil & gas.
Hastelloy
Hastelloy can be fabricated by a variety of Methods. Hastelloy alloy fastener can be forged, hot-upset, and impact extruded.
Inconel & Monel
These materials are designed to withstand extreme temperatures, corrosion, and harsh environments.
Duplex and Super Duplex Stainless Steel
hese materials offer a combination of high strength and superior corrosion resistance, particularly in chloride-rich environments.
Surface Treatments Available at JM Hardware®
Zinc Plated
Provides moderate corrosion resistance and is typically used for indoor applications.
Hot-Dip Galvanizing
Offers enhanced protection against corrosion, ideal for outdoor and marine environments.
Black Oxide
Provides a sleek finish with minimal corrosion resistance, suitable for indoor or low-humidity environments.
Teflon (PTFE) Coating
Provides chemical resistance and excellent protection against corrosion in harsh environments, especially in the oil & gas industry.
Dacromet Coating
An advanced coating that offers superior corrosion resistance and is environmentally friendly
Yellow zinc plated
Plating with yellow zinc, or yellow zinc plating, is a surface treatment process that involves applying a thin layer of zinc onto a metal substrate
Grades of Stud Bolts Available at JM Hardware®
Stud bolts are available in several grades, which indicate their strength and mechanical properties. Common grades include:
Grade 4.8, 8.8, 10.9, 12.9
ASTM A193 Grade B7, B7M, B16
ASTM A320 Grade L7, L7M
ASTM A194 Grade 2H, 2HM, 7, 7M, 8, 8M
ASTM A193 Grade B8, B8M
ASTM A325 and A490
Inconel, Monel, Hastelloy
Duplex Stainless Steel
Standards for Stud Bolts Available at JM Hardware®
Our stud bolts are manufactured to meet a wide range of international standards to ensure they adhere to the highest quality and safety requirements. Common standards include:
ASTM (American Society for Testing and Materials)
ANSI (American National Standards Institute)
DIN (Deutsches Institut für Normung)
ISO (International Organization for Standardization)
BS (British Standards)
JIS (Japanese Industrial Standards)
EN (European Standards)
These standards define the dimensional, mechanical, and material properties of stud bolts, ensuring uniformity and reliability across all projects.
Common Projects and Usage Scenarios
Oil & Gas Industry
Used in flanged connections, pressure vessels, and pipelines.
Petrochemical Industry
Withstand harsh chemicals and extreme temperatures in reactors and refineries.
Construction Industry
Anchor bolts and threaded rods are commonly used in concrete and steel structures
Power Plants
Stud bolts secure turbines, boilers, and pressure vessels.
Marine & Offshore Applications
Stainless steel and corrosion-resistant alloys are critical for saltwater environments.
Aerospace & Defense
Specialty alloy stud bolts are used in high-stress, high-temperature environments like jet engines.
Production equipment
Testing Equipment
Tensile Strength Testing
Hardness Testing
Magnetic particle flaw detectorTest report
SGS testing report --310S bolt nut
Third-party testing report-P1
Third-party testing report-P2
JM Hardware® testing report
Test report by third party
ab-anchor boltl 8.8-1
Test report by third party
ab-anchor bolt 8.8-2
Test report by third party
ab-anchor bolt 8.8-3
Packing
Why Choose Us
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
Certificate
Valued Partners
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.
Product Introduction
JM Hardware® is a leading manufacturer of high-quality stud bolts and threaded rods for a variety of industrial applications. Precision engineered and durable, our products are designed to meet the demands of any project. Trust JM Hardware® for all your fastening needs.
FAQ
One possible FAQ for your JM Hardware® Stud bolt/Thread Rod product could be:
Q: What materials are your stud bolts/thread rods made from?
Company Advantages
Welcome to JM Hardware®, your premier destination for high-quality stud bolts and thread rods. As a leading stud bolt manufacturer, we pride ourselves on providing top-notch products that meet and exceed industry standards.
With a strong focus on innovation and customer satisfaction, JM Hardware® is committed to delivering exceptional quality and performance in every product we offer. Our stud bolts and thread rods are manufactured using the finest materials, ensuring durability and reliability in even the most demanding applications.
At JM Hardware®, we understand the importance of precision and attention to detail. Our team of experienced professionals is dedicated to delivering products that meet your exact specifications and requirements. Whether you need standard sizes or custom solutions, we have the expertise and capabilities to meet your needs.
Trust JM Hardware® for all your stud bolt and thread rod needs. Contact us today to learn more about our products and services, and experience the JM Hardware® difference for yourself.
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Contact us
we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.
xarella.huang@jm-fastener.comOur address
Add: Rm.27202, No.295 South Lingyan Road, Pudong,Shanghai,P.R.C
Contact person: xarella.huang
Whatsapp: +86 13681923533
Wechat:+86 18621005605
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Since our establishment in 2006, JM has been adhering to the mission of creating maximum value for customers by providing differentiated services, and making a positive contribution to the society.