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Self Locking Washer

Self-locking washers are specially designed components that prevent nuts and bolts from loosening due to vibration, load, or movement by creating friction or pressure, ensuring a secure and stable fastening. They are widely used in automotive, industrial machinery, and construction applications to improve safety, reduce maintenance needs, and maintain long-term reliability of assemblies.

Package ISO 9001: 2015 CERTIFIED
Package EXPORT TO 30+ COUNTRIES
Self Locking Washer
Self Locking Washer
Self Locking Washer
Self Locking Washer
WHY Self Locking Washer

Key Features

Designed to improve fastening performance, protect surfaces, and provide a clean, professional finish.

01
Anti-Loosening Design
Anti-Loosening Design

Self-locking washers prevent nuts and bolts from loosening over time by creating strong friction, ensuring secure and stable fastening even under vibration.

02
High Friction & Spring Action
High Friction & Spring Action

Serrated surfaces and spring-like mechanisms provide strong grip and constant tension, preventing movement and improving fastening reliability.

03
Material Versatility
Material Versatility

Available in steel, stainless steel, and nylon, self-locking washers are suitable for automotive, construction, and industrial applications.

DIMENSIONS & ORDERING

Models, Sizes & Specifications

Self Locking Washer s are available in sizes from M3 to M100+. Thickness ranges from 0.5 mm to 5 mm as per requirement.

Available Materials

Stainless Steel (SS304/SS316) Brass Copper Mild Steel Spring Steel

Pack Configuration

  • Tab-type shims: 8 dimensions × 10 thicknesses
  • SE single-slot: 5 dimensions × 10 thicknesses
  • Pack size: 10 pieces per thickness

Self-Locking Washer Sizes and Dimensions

Bolt Size Top Outside Diameter (A) Bottom Outside Diameter (B) Thickness (T) Weight (grams)
1/2 1-1/4 2-1/4 1/8 35
5/8 1-1/2 2-1/2 5/32 45
3/4 1-3/4 2-3/4 3/16 55
7/8 2 3 7/32 70
1 2-1/4 3-1/4 1/4 95
1-1/8 2-1/2 3-1/2 5/16 130
1-1/4 2-3/4 4 3/8 160
1-1/2 3 4-1/2 7/16 220

Self-locking Washer Specifications, Sizes And Schedules

Specifications Details
Sizes And Schedules M3 to M100
Minimum Order Quantity 100 Unit
Packaging Type ROLL
Bimetallic Material Aluminium and Copper
Shape Round
Surface Finish Metal Coated
Standard AISI, ASTM, DIN, GB
Material Aluminium
Thickness 2-8mm
Industries We Serve

Where Washers  Are Used

Washers are used wherever fast, precise alignment is critical — across all major industrial sectors.

Construction Industry
Construction Industry
Energy and Power Generation
Automotive
Automotive Sector
Marine and Offshore Engineering
Aerospace Industry
Aerospace Industry
Heavy Machinery and Equipment
Oil & Gas
Oil and Gas Industry
Railway Applications
Precision
Self-Locking Washers: Reliable Fastening Solutions by Sachin Shims

At Sachin Shims, we manufacture high-quality self-locking washers designed to prevent loosening and ensure strong, long-lasting fastening in demanding environments. Made from premium materials, they offer excellent performance across construction, automotive, machinery, and industrial applications.

We also provide custom sizes, materials, and designs to meet specific project needs. As a trusted manufacturer in India, we deliver cost-effective and reliable solutions that enhance the safety, stability, and durability of mechanical assemblies.

Performance
Self-Locking Washers by Sachin Shims

At Sachin Shims, we specialize in manufacturing high-quality self-locking washers designed to provide superior fastening security and stability. These washers are engineered to prevent loosening caused by vibration, load shifts, or continuous movement, ensuring strong and reliable performance in automotive, construction, and industrial machinery applications.

Manufactured from durable materials such as stainless steel, carbon steel, and alloy steel, our washers offer excellent resistance to wear, corrosion, and harsh environmental conditions. Their innovative locking design ensures a firm grip, helping maintain secure and long-lasting assemblies even in demanding applications.

We also offer customized self-locking washer solutions in different sizes, materials, and specifications to meet specific project requirements. At Sachin Shims, we are committed to delivering reliable, high-performance fastening solutions that enhance safety, durability, and efficiency.

Types
Self-Locking Washers: Premium Fastening Solutions by Sachin Shims

At Sachin Shims, we manufacture high-quality self-locking washers designed to prevent loosening due to vibration and ensure strong, secure, and long-lasting fastening across automotive, industrial, and construction applications.

  • Stainless Steel Fender Washers – High-strength washers with excellent corrosion resistance, ideal for outdoor, marine, and heavy-duty applications.
  • Galvanized Fender Washers – Zinc-coated washers that provide strong rust protection, suitable for structural and industrial environments exposed to moisture.
  • Aluminum Self-Locking Washers – Lightweight and corrosion-resistant washers offering a balance of strength and reduced weight, ideal for automotive and aerospace use.
  • Plastic Self-Locking Washers – Non-metallic washers with excellent insulation and chemical resistance, used in electrical and plumbing applications.
  • Brass Self-Locking Washers – Durable washers with good corrosion resistance, suitable for decorative and low-stress applications.
  • Rubber-Backed Self-Locking Washers – Washers with vibration damping and sealing properties, ideal for automotive and HVAC systems.

Our precision-engineered washers meet strict industry standards and ensure reliable performance, durability, and safety in all demanding applications.

Packaging
Self-Locking Washer Packaging & Delivery by Sachin Shims

At Sachin Shims, our self-locking washers are manufactured under strict ISO-certified processes and undergo thorough quality checks before packaging. We use premium-grade protective materials to ensure safe delivery without corrosion or damage.

We offer flexible payment options including LC, TT, Cheque, and more. Products are dispatched from Mumbai and Kalamboli ports with land, sea, and air shipping options. All transactions are subject to 18% GST.

Exporter
Self-Locking Washer Exporter

Sachin Shims, based in Mumbai, is a leading exporter of self-locking washers to over 85 countries including the USA, UAE, Saudi Arabia, Canada, and Australia. Our global network ensures timely delivery worldwide.

Our washers meet international standards and are widely used in automotive, construction, and industrial applications for secure and vibration-resistant fastening.

Supplier
Self-Locking Washer Supplier

Sachin Shims is a trusted supplier of self-locking washers in India, offering durable and precision-engineered fastening solutions for construction, automotive, and engineering industries.

We supply across Mumbai, Pune, Bengaluru, Chennai, Hyderabad, and Kolkata with both standard and custom solutions, ensuring reliable performance and timely delivery.

Corrosion Resistance

Manufactured from high-quality materials with excellent rust and corrosion resistance for marine, automotive, and industrial applications.

Versatile Applications

Suitable for construction, automotive, plumbing, manufacturing, and other fastening applications requiring secure and flush fitting.

Custom & Precision Engineering

Available in various sizes, thicknesses, and finishes, manufactured with precision for a perfect fit and reliable performance.

High Strength & Standards Compliance

Built from premium materials for durability and manufactured according to ISO, ASME, and DIN standards for consistent quality.

Also Available

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Applies spring tension in compact bolted joints.
Self  Locking Washer
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Double Tab Washer
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Custom
Custom Shims
Any size, shape, material, or tolerance. Send us your drawing — we'll manufacture it.

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Office Address
160, 2nd Floor, Sunrays Shopping Center,
Charkop Market, Sector No. 5,
Kandivali (West), Mumbai - 400067.
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