Studs

Stud bolts are fastening elements representing a rod with threads on both ends or along the entire length, designed to connect various components. Their primary purpose is to provide a strong, rigid, and durable connection, especially effective in areas with limited access. Stud bolts can withstand significant axial loads, making them widely used in equipment, flange assemblies, and other critical components.

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Size (inch)
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Thread type

Name	Height nuts, m (mm)	Length, l (inch)	Length, l (mm)	Material	Size	Size (inch)	Standard	Steel grade	Thread type	Weight 1 pc (kg)
Stud M80x185mm, 2 nuts M80, 2 washers M80	80	—	185	black	M80	—	—	A193 Gr. B7 / A194 Gr. 7 / F436	—	17.55
Stud M80x185mm, 2 nuts M80, 2 washers M80	80	—	185	black	M80	—	—	A320 Gr. L7 / A194 Gr. 7 / F436	—	17.55
Stud M80x185mm, 2 nuts M80, 2 washers M80	80	—	185	black	M80	—	—	A193 Gr. B7 / A194 Gr. 2H / F436	—	17.55
Stud M20x185mm, 2 nigh strengh nuts M20	20.7	—	185	black	M20	—	—	A193 Gr.B 16 / A194 Gr. 7	—	0.57
Stud M20x185mm, 2 nigh strengh nuts M20	20.7	—	185	black	M20	—	—	A193 Gr. B7M / A194 Gr. 2HM	—	0.57
Stud M20x185mm, 2 nigh strengh nuts M20	20.7	—	185	black	M20	—	—	A193 Gr. B7M / A194 Gr. 7M	—	0.57
Stud M20x185mm, 2 nigh strengh nuts M20	20.7	—	185	black	M20	—	—	A320 Gr. L7 / A194 Gr. 7	—	0.57
Stud M20x185mm, 2 nigh strengh nuts M20	20.7	—	185	black	M20	—	—	A193 Gr. B7 / A194 Gr. 2H	—	0.57
Stainless steel stud M68x4x500 DIN 976-1: dimensions, weight and description	0	—	500	Stainless	M68x4	—	DIN 976-1	X6NiCrTiMoVB25-15-2 / 1.4980	—	12.67
Stainless steel stud M68x4x500 DIN 976-1: dimensions, weight and description	0	—	500	Stainless	M68x4	—	DIN 976-1	X6CrNiMoTi17-12-2 / 1.4571 / 316Ti / A5	—	12.67

Stud bolts of all sizes according to ASME standards. Selection by length and diameter, competitive pricing, and delivery to the destination point. Stud bolts are fastening elements in the form of cylindrical rods with external threads, used for reliable connection of structures under increased mechanical, thermal, and vibration loads. They are installed using nuts and washers, ensuring high assembly accuracy and allowing disassembly without loss of joint strength. All products are manufactured from carbon and alloy steels, as well as corrosion-resistant alloys such as Incoloy, Hastelloy, and Alloy grades. The products comply with international ASME and ASTM standards (for example, ASTM A193 for alloy steel stud bolts and ASTM A320 for low-temperature applications), ensuring reliability and long service life in operation.

Threaded studs from M6 to M30: sizes and pricing

Threaded studs ranging from M6 to M30 are versatile fastening elements widely used in construction, power engineering, oil and gas, and the chemical industry. The broad size range allows selection of the optimal solution for applications with different load requirements and assembly precision.

The price of studs depends on diameter, length, material, and order volume. All products are certified and comply with ASME B1.1, ASME B18.31.2, and ASTM A193/A194 standards (bolting materials and nuts for high-load connections). This ensures compatibility with industrial equipment and reliable performance in aggressive environments, temperature fluctuations, and vibration conditions.

Galvanized studs: advantages and applications

Galvanized studs are threaded fastening elements with a protective zinc coating along the entire length, used for installing pipes, equipment, and structural components. The zinc coating protects steel from corrosion, extends service life, and ensures stable performance even under high pressure and temperature conditions. Such studs are widely used in pipelines, thermal power engineering, and oil and gas, chemical, and petrochemical industries.

The products are manufactured in accordance with ASTM F2329 (zinc coating for fasteners), ASTM A153, and ASME B18.2.1, guaranteeing strength, tightness of connections, and full compliance with international industrial standards.

FAQ

1. How should studs be combined with nuts and washers to ensure maximum joint strength?

Using nuts and washers that match the material grade and applicable standards minimizes corrosion risks and mechanical damage while ensuring reliable tightening and even load distribution.

2. What types of threads are used on studs and how do they affect connection reliability?

Common thread types include metric, imperial, and specialized threads. Proper selection ensures compatibility with pipeline components and resistance to operational loads.

3. Are there specific considerations when installing studs in limited-access areas or complex assemblies?

In such cases, studs with appropriate length and thread configuration should be selected, and specialized tightening tools may be required to ensure proper installation without damaging the components.

Comments

1. What additional fastening components are recommended when using studs to improve reliability?

Lock washers, jam nuts, and sealing gaskets are often used to enhance joint stability and sealing performance.

2. Can studs be reused after disassembly?

Reuse is possible if there is no damage to the threads or deformation, but visual inspection is recommended and replacement should be considered if any defects are detected.

3. Can studs be used without washers?

In some cases it is possible, but washers are generally recommended to ensure even load distribution and protect the contact surfaces.

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