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JM Hardware Custom High-Strength Bolt with Internal Thread
In the warm glow of the shop, the JM Hardware Custom High-Strength Bolt with Internal Thread slips into place like a silent guardian—built to take the strain so your work never falters. Its precision-cut internal thread and custom heat-treated alloy deliver rock-solid clamping power, corrosion resistance, and a fit so exact it feels tailor-made. Whether anchoring a trail railing or finishing a bespoke machine, it turns a small connection into lasting confidence.
Product features
JM Hardware's custom high-strength bolt with internal thread is precision-engineered from high-performance alloys (stainless steels, Inconel, Monel, Hastelloy, carbon and alloy steels) in sizes 1/4"–4" and M5–M100 with lengths up to 6m, available in multiple grades (4.8–12.9, ASTM A193/A320, etc.) and finishes (zinc plating, hot-dip galvanizing, PTFE, Dacromet, black oxide) to meet international standards. Its robust materials, coatings and mechanical properties provide durable, corrosion-resistant load-bearing performance across oil & gas, petrochemical, power, marine, construction and aerospace applications, while the internal thread design streamlines assembly and replacement of accessories like sight glasses, mechanical seal seats and flanged connections to minimize thread wear and maintenance time. The hollow, internally threaded geometry enables secure engagement with studs or nuts for fastening thick plates and awkward installations (concrete roof trusses, beam suspensions and anchor bolts), and each part is supported by tensile, hardness and corrosion testing plus customizable packaging for project-ready supply.
We serve
We serve engineers and buyers with precision‑engineered, custom high‑strength bolts featuring internal threads. Our service delivers tailored material selection (alloy steel, stainless, heat‑treated options), exact thread and tolerance control, and fast prototyping to accelerate product development. Full batch testing—tensile, hardness, and non‑destructive inspections—ensures consistent performance in demanding applications. Flexible OEM/ODM production, low minimum orders, clear lead times, and traceable quality documentation (material certs, inspection reports) simplify procurement. Responsive technical support and packaging/logistics solutions protect components through delivery. We prioritize reliability, traceability, and fast turnaround so your assemblies meet specification and schedule. Partner with us for dependable fast-fit fastening solutions.
Why choose us
We serve precision-engineered fastening solutions: JM Hardware’s custom high-strength bolts with internal thread deliver exceptional tensile strength, tight tolerances, and corrosion-resistant finishes. We serve designers, fabricators, and maintenance teams with tailored thread sizes, lengths, and materials for demanding structural, automotive, and industrial applications. We serve fast turnaround through dedicated production scheduling, in-line quality inspection, and batch traceability. We serve confidence with engineering support, sample validation, and testing reports to ensure fit and performance. We serve scalable quantities — prototype to production — with competitive pricing and reliable logistics, simplifying procurement and ensuring assemblies remain safe, durable, and on schedule worldwide, every time.
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.