Square Bolts

Welcome to Teshi Fasteners’ Square Bolts page. As a leading manufacturer, we offer a comprehensive range of high-quality square bolts designed to meet various industrial and construction needs. Explore our selection to find the ideal square bolts for your specific applications and projects.

Teshi Fasteners is a prominent manufacturer of square bolts in India. We provide a wide selection of square bolts in various sizes and standards to cater to diverse applications. Our square bolts are available in multiple materials and grades, making them suitable for construction projects such as bridges, buildings, and heavy machinery. We offer customized packing options based on customer requirements, with each pack carefully packaged in high-quality materials to ensure they arrive in optimal condition.

A square bolt is a type of fastener characterized by a square-shaped head, which provides a larger surface area for gripping and turning with a wrench or spanner. It is used to secure two or more components together by threading into a corresponding nut or hole. Square bolts are known for their strength and ability to handle high torque, making them suitable for heavy-duty applications in construction, machinery, automotive, and other industries.

At Teshi Fasteners, we specialize in manufacturing premium-quality square bolts. Our extensive inventory includes a diverse range of square bolts, available for immediate supply and export. We also offer custom manufacturing services to meet specific customer requirements. As one of India’s most trusted and reliable manufacturers, our square bolts are recognized for their superior design and durability, making them ideal for use in the Construction, Engineering, and Industrial sectors.

  • Square Head Design: The square head of the bolt provides a secure grip and prevents slipping during installation, ensuring a stable connection.
  • High Strength and Durability: Constructed from robust materials, square bolts offer excellent strength and durability, making them suitable for heavy-duty applications.
  • Versatile Applications: Ideal for use in various industries, including construction, machinery, and structural projects, where strong and reliable fastening is required.
  • Enhanced Torque Transmission: The square shape allows for better torque transmission compared to other head designs, facilitating easier tightening and loosening.
  • Resistance to Shear Forces: Square bolts are designed to withstand significant shear forces, making them ideal for applications where high loads and stresses are present.
  • Customizable: Available in various sizes, materials, and grades to meet specific application requirements and industry standards.
  • Corrosion Resistance: Often available with protective coatings or in materials that resist corrosion, ensuring longevity and performance in harsh environments.
  • Ease of Installation: The square head design allows for easy use with standard tools, simplifying the installation process.
  • Enhanced Grip: The square head design provides a firm grip, ensuring stability during installation and a secure connection.
  • High Load Capacity: Designed to handle significant loads and stresses, our square bolts are ideal for heavy-duty applications.
  • Versatility: With a variety of sizes, materials, and grades available, our square bolts are versatile and suitable for various industrial and construction needs.
  • Durability: Made from high-quality materials, our square bolts are durable and resistant to wear and tear, ensuring long-lasting performance.

Teshi Fasteners is committed to providing top-quality square bolts that meet the highest standards, offering reliable and robust fastening solutions for your projects.

“Explore our detailed guide on Square Bolts, including essential aspects such as specifications, standards, and sizes. Learn about the various materials and grades we offer to understand how our Square Bolts meet the highest industry standards, ensuring superior performance and reliability across a wide range of applications.”

StandardsEU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE
SizesM2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36, M100 to M160
Length3/8 to 8″
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
CoatingsPTFE 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
Sub TypesFully Threaded, Partial Threaded, Metric, Imperial

Square Bolts 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 .
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

Square Bolts Sizes

StandardsSizes
ASME B18.2.1 Square Head Bolts3/8 inch to 3 inch
BS 1769 Square Head Bolts½ inch to 2 inch
ASME B18.2.3.6M Square Head BoltsM12 to M36
ASME B18.2.3.7M Square Head BoltsM16 to M36
DIN 6914 Square Head BoltsM12 to M36
ISO 7412 Square Head BoltsM12 to M36
UNI 5712 Square Head BoltsM12 to M36
DIN-EN 14399-4 Square Head BoltsM12 to M36
  • Oil & Gas: Essential for secure connections in pipelines, rigs, and equipment.
  • Power Plant: Used in structural assemblies, turbines, and generators for reliable fastening.
  • Machine: Integral for machine assembly and maintenance, ensuring robust performance.
  • Petrochemical: Employed in processing units and reactors for durable connections.
  • Medical: Utilized in medical equipment and devices for precise and secure assembly.
  • Agricultural: Applied in farming machinery and equipment for enhanced durability.
  • Paper & Pulp: Used in processing machinery and equipment for reliable operation.
  • Ship Building: Essential for assembling and securing parts in ship construction.