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2 way Lock nuts

Welcome to Teshi Fasteners’ 2-Way Lock Nuts page, where precision meets reliability. As a leading manufacturer, supplier, and exporter of fasteners in India, we offer a superior selection of 2-way lock nuts designed to secure your projects with unmatched stability.

Leading Manufacturer, Stockist, Supplier, and Exporter of 2-Way Lock Nuts in India

Teshi Fasteners is renowned for producing high-quality 2-way lock nuts that ensure secure fastening in critical applications. Our 2-way lock nuts are available in various sizes, materials, and finishes, making them suitable for a wide range of industrial and commercial uses. Whether you need them for automotive, machinery, or construction projects, our products are designed to meet your most demanding needs.

About 2-Way Lock Nuts

2-way lock nuts are specialized fasteners designed to prevent loosening under vibration or torque, ensuring a tight and secure fit. Unlike standard nuts, 2-way lock nuts feature a locking mechanism that engages with the bolt threads, providing resistance to loosening from both directions. This makes them ideal for applications where maintaining tightness is critical, such as in machinery, automotive assemblies, and structural connections.

At Teshi Fasteners, our 2-way lock nuts are manufactured to meet the highest industry standards, ensuring exceptional performance and long-lasting durability. Available in a variety of materials including carbon steel, stainless steel, and alloy steel, our lock nuts offer excellent resistance to corrosion and wear, making them suitable for harsh environments.

Key features of 2-Way Lock Nuts include:

  • Dual Locking Mechanism: Provides locking action in both directions, ensuring a secure fit and preventing loosening due to vibrations or torque.
  • Enhanced Grip: Designed with special threading or locking inserts that enhance grip and maintain tension, even under heavy loads.
  • Durable Construction: Typically made from strong materials such as carbon steel, stainless steel, or alloy steel, ensuring long-lasting performance.
  • Corrosion Resistance: Often coated with protective layers like zinc plating, PTFE, or galvanization, providing resistance to rust and corrosion, especially in harsh environments.
  • Versatile Applications: Suitable for use in various industries including automotive, machinery, construction, and heavy equipment, making them a versatile choice for secure fastening.
  • Compliance with Standards: Manufactured to meet or exceed international standards such as ASME, DIN, and ISO, ensuring consistent quality and reliability.
  • Reusability: Unlike some locking nuts, 2-Way Lock Nuts can be reused multiple times without losing their locking ability, offering cost efficiency.
  • Vibration Resistance: Specifically designed to resist loosening from vibration, making them ideal for applications in engines, machinery, and other high-vibration environments.

The benefits of using 2-Way Lock Nuts include:

  • Secure Fastening: The dual locking mechanism ensures a tight and secure fit, preventing nuts from loosening under vibration or torque, which is crucial in maintaining the integrity of assemblies.
  • Versatility: Suitable for a wide range of applications across industries such as automotive, construction, heavy machinery, and more, making them a versatile choice for engineers and builders.
  • Reusability: Unlike some locking nuts, 2-Way Lock Nuts can be reused multiple times without compromising their locking ability, offering long-term cost savings.
  • Enhanced Safety: By preventing accidental loosening, 2-Way Lock Nuts contribute to the safety and reliability of critical structures and machinery.
  • Durability: Constructed from strong materials like carbon steel or stainless steel, and often coated for corrosion resistance, they provide long-lasting performance in various environments.
  • Resistance to Vibration: Specifically designed to resist loosening due to vibration, making them ideal for use in engines, machinery, and other high-vibration applications.
  • Compliance with Standards: Manufactured to meet industry standards such as ASME, DIN, and ISO, ensuring consistent quality, reliability, and compatibility with other components.
  • Cost-Efficiency: Their reusability and durability reduce the need for frequent replacements, leading to lower maintenance costs over time.

2-Way Lock Nuts: Grades & Standard Specifications

Explore our detailed guide on 2-way lock nuts, covering grades, standards, and specifications. Learn how our products meet the highest industry standards, ensuring superior performance and reliability across various applications.

2-Way Lock Nuts Standard Specifications

StandardsEU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
SizesM02 to M33
Length3 mm to 200 mm
MaterialsHigh Tensile, Carbon Steel, Stainless Steel, Inconel, Incoloy, Hastelloy, Monel, Silicon Bronze, Phosphor Bronze, Aluminium Bronze, Nickel, Brass, Copper, Copper Nickel, Nitronic, Nimonic, ASME, ASTM
CoatingPTFE Coated, Hot Dip Galvanized, Yellow Zinc Plated, Blue Zinc Plated, Black Zinc Plated, Zinc Cobalt Plated, Aluminium Zinc Flake Coated, Black Phosphate, Zinc Plated, Nickel Plated
High Tensile Grades8.8, 10.9, 12.9, 14.9
FormingHot Forged, Cold Forged

2-Way Lock Nuts Materials / Grades

MaterialsGrades
Stainless SteelASTM / ASME SA 312 GR. TP 304 , 304L , 304H, 309S ,309H , 310S, 310H , 316 , 316TI , 316H , 316 LN , 317 , 317L , 321 , 321H , 347 , 347 H , 904L .
High Tensile8.8, 10.9, 12.9, 14.9
Duplex SteelUNS NO S 31803, S 32205, S 32550, S 32750, S 32760.
Carbon SteelASTM / ASME A 335 GRP 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91
Alloys SteelASTM / ASME A/SA 193 / 194 – B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
Nickel AlloysNickel Alloys 200, Nickel Alloys 201
HastelloyHastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
InconelInconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L

Applications & Uses of 2-Way Lock Nuts

2-way lock nuts are essential in numerous industries due to their secure locking capabilities. Common applications include:

  • Automotive: Used in engine assemblies, chassis, and other critical components to prevent loosening under vibration.
  • Construction: Applied in structural connections where maintaining tightness is crucial for safety and stability.
  • Machinery: Ideal for securing moving parts and machinery that operate under dynamic loads or vibration.
  • Aerospace: Used in aircraft components where reliable fastening is essential under extreme conditions.
  • Industrial Equipment: Ensures the secure assembly of equipment that experiences regular movement or vibration.
  • Marine Applications: Suitable for use in environments exposed to saltwater, providing resistance to corrosion and loosening.