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Jam Nut

Jam nuts are thin, high-strength nuts designed to lock standard nuts in place and prevent loosening due to vibration and movement. Featuring a reduced thickness, jam nuts are ideal for applications requiring a compact yet secure fastening solution. Commonly used in automotive, machinery, and construction industries, jam nuts offer excellent durability and resistance to corrosion, ensuring reliable performance in various environments.

Size Range
Diameter Metric: M2 to M48
Inch: 0.1 " to 2"
Length ----
Technical Specifications


Dia.semWT. Kg/1000 Pcs
M244.321.20.23
M35.56.081.80.29
M477.742.20.57
M588.872.70.83
M61011.053.21.6
M81314.3843.2
M101718.957.2
M121921.1610.4
M162426.75820.5
M203033.53100.2
M243639.981269.5
M304651.2815139
M365561.3118244
M426572.6121403
M487583.9124617


Proof LoadSize RangeEquivalent Standards
Property ClassDiameterLength
PSIN/mm2GradeMetricInchMetricInchISISODINBSANSIJIS
74000 to 174000510 to 12004 to 12M2 to M480.1 " to 1.9 "------B18.2.2-



Introduction to Jam Nuts


Jam nuts are a type of low-profile hex nut, often used as a locknut to prevent another nut from loosening. These nuts are thinner than standard hex nuts, making them ideal for applications where space is limited or additional locking is required. At Pankaj International, a leading fastener manufacturer in Ludhiana, we produce high-quality jam nuts that meet the highest industry standards, ensuring durability and reliability in various applications.


Manufacturing Excellence at Pankaj International


As one of the best fastener manufacturers in India, Pankaj International employs advanced manufacturing techniques to produce jam nuts with precision and consistency. Our state-of-the-art facilities in Ludhiana are equipped with the latest technology, allowing us to maintain strict quality control measures throughout the production process. Whether you require high tensile bolts, nuts, or specialized fasteners like jam nuts, our products are designed to provide exceptional performance and reliability.


Features and Benefits of Jam Nuts


Jam nuts offer several distinct advantages that make them suitable for a wide range of applications:

  • Low Profile Design: The thin design of jam nuts makes them ideal for applications where space is limited or where additional locking is required without adding significant height.
  • Locking Mechanism: Often used as a locknut, jam nuts can be tightened against another nut to prevent loosening due to vibration or dynamic loads.
  • High Strength: Manufactured from high-grade materials, our jam nuts are capable of withstanding significant stresses and loads.
  • Corrosion Resistance: Available in various finishes, including stainless steel, our jam nuts offer excellent resistance to corrosion, ensuring long-lasting performance in harsh environments.
  • Ease of Installation: The hexagonal shape allows for easy installation and removal using standard tools, providing a secure grip for a wrench or socket.

At Pankaj International, we ensure that our jam nuts deliver these benefits, providing our clients with reliable fasteners for their specific needs.


Applications of Jam Nuts


Jam nuts are essential in various industries due to their robust performance and ability to prevent loosening in dynamic conditions. Common applications include:

  • Automotive Industry: Used in vehicle assemblies, engine components, and other parts where additional locking is required to prevent loosening due to vibration.
  • Construction: Ideal for metal structures, frameworks, and heavy-duty applications, ensuring stability and strength in buildings and infrastructure projects.
  • Industrial Machinery: Providing reliable connections in machinery and equipment subject to high loads and dynamic forces.
  • General Maintenance: Jam nuts are widely used in maintenance and repair work across various industries due to their versatility and ease of use.

By choosing Pankaj International as your fastener manufacturer, you gain access to a wide range of high tensile nuts and bolts, including specialized jam nuts, tailored for these demanding applications.


Why Choose Pankaj International for Your Jam Nuts ?


Pankaj International stands out as a premier fasteners company in India due to our unwavering commitment to quality and customer satisfaction. Our extensive experience in bolt manufacturing, combined with our innovative production techniques, positions us as a leader in the fastener industry. We understand the critical role that fasteners play in your projects, which is why we strive to deliver products that exceed expectations.

Whether you need jam nuts, high tensile bolts, or any other type of fastener, Pankaj International offers a comprehensive range of solutions designed to meet your specific requirements. Contact us today to learn more about our products and how we can assist you with your fastener needs.



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Pankaj International is an ISO Certified Nationwide Manufacturer of Stocked and Custom Nuts, Bolts and Fasteners

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