Fasteners

Fasteners

At Diya Steelloy, we offer a comprehensive range of high-quality Fasteners designed to meet the stringent demands of construction, manufacturing, automotive, and industrial applications. Our fasteners portfolio includes a variety of Bolts, Nuts, Screws, Washers, Rivets, and Anchors made from premium-grade Stainless Steel, Carbon Steel, Alloy Steel, and other specialized materials. These fasteners ensure excellent mechanical strength, corrosion resistance, dimensional accuracy, and reliability for secure assembly and long-lasting performance.

Available Grades of Fasteners

Material Type Available Grades
Alloy Steel SA387 Grade 11 / SA387 Grade 12 / SA387 Grade 22
Corten Steel A242 / A588 / IRSM 41-97

Dimensional Table for Bars

Fastener Type Size Range Standards Material Grades Applications
Bolts M4 to M64 / ¼" to 2½" ISO, ASTM A325, DIN, ASME CS Grade 8.8 / 10.9, SS 304/316 Structural connections, machinery assembly
Nuts M4 to M64 / ¼" to 2½" ISO, DIN, ASME CS Grade 8, SS 304/316 Fastening with bolts and screws
Screws #4 to #24 / M2 to M12 ISO, ASTM, DIN CS, SS 304/316 Machinery, electrical, woodwork fastening
Washers Various diameters ISO, DIN CS, SS 304/316 Load distribution, spacing, sealing
Rivets 3mm to 25mm diameter ISO, ASTM Aluminum, CS, SS Permanent joining in metal sheets, structures
Anchors Various sizes IS, ASTM, DIN CS, SS, Alloy Steel Concrete fastening, heavy-duty mounting

Types of Fasteners

Bolts

Bolts are fundamental fasteners used to securely join components in various mechanical and structural applications. Available in multiple head types such as hex head, carriage, eye, and shoulder bolts, they come in a wide range of sizes and grades to suit different load and environmental requirements. Manufactured from premium materials including carbon steel, alloy steel, stainless steel, and heat-treated steel, these bolts provide exceptional tensile strength, durability, and corrosion resistance. Bolts are commonly used in construction, automotive, machinery, and industrial equipment for reliable and strong fastening solutions.

Bolts
Key Features:-

  • Available in various head styles including hex, carriage, eye, shoulder, and more.

  • Manufactured according to standards like ASTM, DIN, ISO, and ASME to ensure quality and compatibility.

  • Made from high-strength materials such as carbon steel grades 4.6, 8.8, alloy steel grades 10.9, 12.9, and stainless steel 304/316.

  • Offers excellent tensile strength, fatigue resistance, and corrosion protection for demanding environments.

  • Widely used across construction, automotive, heavy machinery, infrastructure, and equipment assembly industries.



Nuts

Nuts are essential fasteners used in conjunction with bolts and screws to securely clamp parts together. Available in various types such as hex nuts, lock nuts, wing nuts, cap nuts, and flange nuts, they are designed to provide reliable fastening and resistance to loosening under vibration and stress. Manufactured from high-quality materials including carbon steel, stainless steel, alloy steel, and brass, these nuts offer excellent strength, corrosion resistance, and durability. Nuts are widely used in construction, automotive, machinery, electrical, and industrial equipment applications to ensure firm and safe assembly.

Nuts
Key Features:-

  • Available in multiple styles including hex, lock, wing, cap, flange, and square nuts.

  • Manufactured as per ASTM, DIN, ISO, and ASME standards for guaranteed fit and performance.

  • Made from durable materials such as carbon steel grades 4, 8, stainless steel 304/316, and alloy steel.

  • Designed to resist loosening under vibration with options like nylon insert lock nuts and prevailing torque nuts.

  • Extensively used in automotive, construction, heavy machinery, electrical equipment, and infrastructure projects.



Screws

Screws are versatile fastening components used to join materials by drilling into them with their helical threads. Available in a variety of types such as machine screws, wood screws, self-tapping screws, sheet metal screws, and socket head cap screws, they offer reliable holding power in metals, wood, plastics, and composites. Manufactured from premium materials including carbon steel, stainless steel, alloy steel, and brass, these screws provide excellent strength, corrosion resistance, and durability. Screws are widely used across construction, automotive, electronics, furniture, and machinery industries for secure and precise assembly.

Screws
Key Features:-

  • Available in multiple head styles including flat, pan, round, hex, and socket heads.

  • Complies with international standards such as ASTM, DIN, ISO, and ANSI for quality assurance.

  • Constructed from high-grade carbon steel, stainless steel 304/316, alloy steel, and brass for enhanced durability.

  • Designed to provide strong holding power and resistance to loosening in various materials and environments.

  • Widely utilized in automotive, construction, electrical, electronic devices, furniture manufacturing, and industrial machinery.



Washers

Washers are essential hardware components used to distribute the load of fasteners such as bolts and screws, preventing damage to the surface and reducing loosening from vibration. Available in various types including flat washers, spring washers, lock washers, fender washers, and sealing washers, they enhance the performance and longevity of bolted joints. Manufactured from high-quality materials such as carbon steel, stainless steel, alloy steel, and brass, our washers offer excellent corrosion resistance, durability, and dimensional accuracy. They find applications across automotive, construction, machinery, electronics, and plumbing industries.

Washers
Key Features:-

  • Available in multiple types including flat, spring, lock, fender, and sealing washers for diverse applications.

  • Manufactured as per international standards like ASTM, DIN, and ISO ensuring high precision and quality.

  • Produced using premium materials such as stainless steel 304/316, carbon steel, alloy steel, and brass for durability and corrosion resistance.

  • Effectively distributes load and prevents surface damage while providing resistance against vibration-induced loosening.

  • Widely used in automotive, construction, electrical equipment, machinery, and plumbing industries for secure fastening.



Rivets

Rivets are permanent mechanical fasteners widely used to join metal sheets and structural components where welding or threading is not feasible. Available in various types such as solid rivets, blind rivets, tubular rivets, and split rivets, they provide reliable, vibration-resistant joints in diverse applications. Manufactured from high-quality materials including aluminum, steel, stainless steel, copper, and brass, our rivets ensure excellent strength, corrosion resistance, and durability. They are extensively used in aerospace, automotive, construction, shipbuilding, and electronics industries for strong, long-lasting fastening solutions.

Rivets
Key Features:-

  • Available in multiple types including solid, blind (pop), tubular, and split rivets to suit different joining needs.

  • Manufactured according to ASTM, ISO, and DIN standards for consistent quality and performance.

  • Made from premium materials like aluminum, stainless steel, carbon steel, copper, and brass for strength and corrosion resistance.

  • Provides permanent, vibration-resistant joints ideal for applications where welding is unsuitable.

  • Widely used in aerospace, automotive, shipbuilding, construction, and electronics for robust fastening solutions.



Anchors

Anchors are specialized fasteners designed to securely attach structures and equipment to concrete, masonry, or other solid substrates. Available in various types such as mechanical anchors, chemical anchors, wedge anchors, sleeve anchors, drop-in anchors, and expansion anchors, these fasteners provide exceptional holding strength and reliability. Manufactured from high-quality materials including carbon steel, stainless steel, and galvanized steel, our anchors are engineered to withstand heavy loads, vibrations, and environmental exposure. They are widely used in construction, infrastructure, industrial machinery, and civil engineering applications to ensure safe and durable installations.

Anchors
Key Features:-

  • Available in multiple types including wedge, sleeve, drop-in, chemical, and expansion anchors for versatile applications.

  • Compliant with ASTM, DIN, and ISO standards to ensure reliable performance and safety.

  • Manufactured using premium materials such as carbon steel, stainless steel, and galvanized steel for corrosion resistance and durability.

  • Designed for high load-bearing capacity and excellent vibration resistance in demanding construction and industrial environments.

  • Extensively used in construction, civil engineering, industrial machinery mounting, and infrastructure projects.



Applications of Fasteners


  • Widely used in construction and structural engineering to join steel frameworks, beams, and columns securely.

  • Essential in automotive and aerospace industries for assembling parts with high precision and strength requirements.

  • Used in machinery and equipment manufacturing to fasten components that require durability and resistance to vibration.

  • Applied in electrical and electronic assemblies where secure and reliable fastening is critical for safety and performance.

  • Commonly utilized in household appliances and furniture manufacturing for easy assembly and maintenance.

  • Used in infrastructure projects such as bridges, railways, and pipelines to provide strong and lasting connections.

  • Critical in marine and offshore industries where corrosion resistance and high-strength fastening are mandatory.

Products

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