Lag Bolts

Welcome to Teshi Fasteners’ Lag Bolts page. As a leading manufacturer, we offer a comprehensive selection of high-quality lag bolts designed to meet various industrial and construction needs. Explore our range to find the perfect lag bolts for your specific applications and projects, ensuring durability and reliability in every use.

Teshi Fasteners is a leading manufacturer of lag bolts in India. We provide a diverse selection of lag bolts in various sizes and standards to meet different requirements. Our lag bolts are available in a range of materials and grades, making them ideal for applications such as securing heavy timber, structural components, and reinforcement in construction projects. We offer lag bolts in custom pack sizes as per customer requests, ensuring they are securely packaged with high-quality materials to prevent damage. Teshi Fasteners is recognized as a top lag bolts manufacturer in India.

Lag bolts, also known as lag screws, are heavy-duty fasteners characterized by their large, hexagonal heads and coarse threads. Designed for securing wood and other materials, they are commonly used in construction, woodworking, and structural applications where strong, reliable connections are essential. The large head of the lag bolt provides a strong grip and resistance to loosening, while the coarse threads ensure a secure hold in wood or other materials.

At Teshi Fasteners, we specialize in producing high-quality lag bolts that adhere to rigorous industry standards. Our lag bolts are available in various sizes, materials, and finishes to meet different application requirements. Whether you need bolts for heavy-duty construction or for lighter applications, our selection offers reliable solutions.

We also offer custom manufacturing options to cater to specific project needs, ensuring that our lag bolts provide optimal performance and durability. Known for their strength and reliability, Teshi Fasteners’ lag bolts are ideal for securing structural elements, machinery, and more in both industrial and commercial settings.

  • Hexagonal Head: The large hexagonal head of lag bolts provides a strong grip for tools, allowing for easy tightening and secure installation.
  • Coarse Threads: Coarse threads ensure a strong hold in wood or other materials, making lag bolts ideal for heavy-duty applications.
  • Material Options: Available in a range of materials including carbon steel, stainless steel, and alloy steel to suit different environmental conditions and requirements.
  • Versatile Sizes: Lag bolts come in various sizes to accommodate different project needs, from small-scale applications to large structural reinforcements.
  • Corrosion Resistance: Our lag bolts can be finished with coatings such as zinc plating or galvanization to enhance their resistance to corrosion and extend their service life.
  • High Strength: Made from high-quality materials, Teshi Fasteners’ lag bolts offer exceptional tensile strength, ensuring reliable performance even under significant loads.
  • Custom Manufacturing: We offer custom sizes and specifications to meet your specific project needs, providing tailored solutions for optimal performance.
  • Secure Fastening: The coarse threads and large head of lag bolts provide a strong and reliable grip in wood or other substrates, ensuring that structural components are securely anchored and stabilized.
  • Versatile Applications: Lag bolts are suitable for a wide range of uses, from construction and woodworking to industrial applications, due to their adaptable design and various available sizes.
  • Enhanced Corrosion Resistance: Available with protective coatings such as zinc plating or galvanization, lag bolts offer excellent resistance to rust and corrosion, making them ideal for use in harsh or outdoor environments.
  • High Load-Bearing Capacity: Constructed from high-quality materials, lag bolts have exceptional tensile strength, allowing them to support significant loads and stresses, which is crucial for heavy-duty applications.
  • Easy Installation: Designed for straightforward installation, lag bolts can be quickly and efficiently secured with standard tools, facilitating a smooth and efficient assembly process.
  • Customizable Solutions: Teshi Fasteners offers lag bolts in various sizes and materials, with custom manufacturing options available to meet specific project requirements, ensuring that each bolt performs optimally for its intended use.
  • Durability: Built to withstand demanding conditions, lag bolts provide long-lasting performance and reliability, even in challenging environments or under heavy loads.

Explore our comprehensive guide on lag bolts, including essential aspects such as specifications, standards, and sizes. Discover detailed information on materials and grades to see how our lag bolts meet the highest industry standards, ensuring exceptional performance and reliability for a wide range of applications.

SpecificationDetails
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
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
Sub TypeFully Threaded, Partial Threaded, Metric, Imperial

Lag 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

Lag Bolts Sizes

StandardsSizes
ASME B18.2.1 Lag Bolts3/8 inch to 3 inch
BS 1769 Lag Bolts½ inch to 2 inch
ASME B18.2.3.6M Lag BoltsM12 to M36
ASME B18.2.3.7M Lag BoltsM16 to M36
DIN 6914 Lag BoltsM12 to M36
ISO 7412 Lag BoltsM12 to M36
UNI 5712 Lag BoltsM12 to M36
DIN-EN 14399-4 Lag BoltsM12 to M36

Lag bolts, also known as lag screws, are essential for creating strong and reliable connections in various applications across multiple industries. Here’s a concise overview of their uses:

  • Construction: Ideal for securing wooden beams, joists, and posts in wood frame construction and decking.
  • Timber Engineering: Used in timber connections and heavy timber constructions for robust structural support.
  • Furniture Manufacturing: Commonly used to assemble wooden furniture, ensuring durable joints.
  • Industrial Applications: Effective for machinery mounting and structural reinforcement in industrial settings.
  • Agriculture: Secures agricultural buildings, fence posts, and other wooden structures on farms.
  • Marine: Utilized in boat building, repairs, and dock construction for strong, weather-resistant connections.
  • Residential Projects: Suitable for home improvement, including wooden fixtures, sheds, and other DIY projects.
  • Utility and Infrastructure: Employed in utility pole installation and wooden bridges, walkways, and other infrastructure components.
  • Mining and Oil & Gas: Secures mining equipment and structural components in oil rig construction and maintenance.