Specifictaion
| Parameter |
Specification Details |
| Types |
Bolts, Nuts, Screws, Washers, Studs, Rivets, Pins |
| Material Grades |
Stainless Steel (304, 316, 310), Carbon Steel, Alloy Steel, Brass, Copper, Titanium |
| Special Alloys |
Inconel 600/625/718, Hastelloy C-22/C-276, Monel 400/K500, Duplex & Super Duplex (2205/2507) |
| Standards |
ASTM, ASME, DIN, ISO, BS, ANSI, SAE |
| Sizes |
M1.6 to M100 (Metric), 1/8" to 4" (Inch) |
| Thread Types |
Metric (Coarse/Fine), UNC, UNF, BSW, NPT, BSP |
| Head Types (Bolts) |
Hex Head, Socket Head, Button Head, Flat Head, Pan Head |
| Drive Types (Screws) |
Slotted, Phillips, Torx, Allen/Hex |
| Finish/Coatings |
Zinc Plated, Hot Dip Galvanized, Black Oxide, PTFE (Xylan), Dacromet |
| Tensile Strength |
400 – 1,200 MPa (depending on grade) |
| Hardness |
As per material & heat treatment – typically 20 to 40 HRC |
| Applications |
Construction, Oil & Gas, Petrochemical, Marine, Aerospace, Automotive, Power Plants |
| Certification |
EN 10204 3.1 / 3.2, RoHS Compliance, Material Test Certificates (MTC), Third-Party Inspection |
Types of Fasteners
Threaded Bars
Threaded Bars, also known as threaded rods or stud bolts, are long metal rods that are fully threaded from end to end and used to fasten or stabilize objects in a wide variety of construction and industrial applications. These bars are designed for high tensile strength and secure anchoring, making them ideal for concrete reinforcement, structural bolting, pipeline supports, and heavy machinery assembly. Threaded bars are available in various materials, including carbon steel, stainless steel (304, 316), alloy steel, brass, and special alloys like Inconel, Monel, and Hastelloy for enhanced corrosion resistance in harsh environments.
Coating
-
Electro Galvanized
-
Hot Dip Galvanized
-
Black
-
Dracomet
-
Zinc Plated
Specification of Threaded Bars
| Standard |
ASTM / ASME / BS / DIN / JIS / BS EN ISO / IS |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Size Range |
M6 to M100 in metric series,¼” to 4” in imperial.. |
Stud Bolt
A stud bolt is a type of threaded fastener used primarily in industrial applications to join two components together, typically in high-pressure environments such as piping systems, pressure vessels, and flanged connections. Unlike a standard bolt, a stud bolt is a metal rod threaded on both ends, with no head. It is usually used in conjunction with two nuts—one on each end—to secure components tightly. Stud bolts come in various lengths, diameters, and materials to suit different operational requirements, including resistance to heat, pressure, and corrosive environments.
-
Electro Galvanized
-
Hot Dip Galvanized
-
Black
-
Dracomet
-
Zinc Plated
Specification of Stud Bolts
| Standard |
ASTM / ASME / BS / DIN / JIS / BS EN ISO / IS |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Size Range |
M6 to M100 in metric series,¼” to 4” in imperial.. |
Anchor Bolts
Anchor bolts are essential fasteners used to attach structural and non-structural elements to concrete. They are typically embedded into concrete foundations to secure columns, machinery, or equipment in place, providing stability and resistance to movement caused by dynamic loads, vibrations, or environmental forces such as wind and earthquakes. Anchor bolts come in various shapes and configurations, including L-shaped, J-shaped, wedge, sleeve, and straight rods with threaded ends. The selection depends on the application requirements and load conditions.
-
Electro Galvanized
-
Hot Dip Galvanized
-
Black
-
TIN
-
PTFE
Specification of Anchor Bolts
| Standard |
ASTM / ASME / BS / DIN / JIS / BS EN ISO / IS |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Size Range |
M6 to M100 in metric series,¼” to 4” in imperial.. |
U Bolts
U-bolts are U-shaped fasteners with threaded ends on both legs, designed primarily to support and secure pipes, tubes, or round objects to a surface. They are commonly used in plumbing, automotive, construction, and marine applications. The curved section of the U-bolt wraps around the object, while the threaded ends pass through a mounting surface and are secured with nuts and washers. U-bolts come in various sizes and materials, such as carbon steel, stainless steel, and galvanized steel, to suit different load requirements and environmental conditions.
Specification of U Bolts
| Standard |
Metric & Imperial Size |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Pipe Size Range |
¼”NB to 48”NB |
| Threaded Size Range |
1/4″(M06) to 2″(M52)” |
Hex Bolts
Hex bolts, also known as hex cap screws or hex head bolts, are a type of fastener characterized by a six-sided (hexagonal) head and a partially or fully threaded shaft. They are commonly used in construction, machinery, automotive, and structural applications to fasten wood, steel, and other materials. Hex bolts are designed for use with a wrench or socket, allowing for high torque during installation and removal. They come in various sizes, thread pitches, and material grades to suit different mechanical and environmental requirements.
Specification of Hex Bolts
| Standard |
Metric & Imperial Size |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Pipe Size Range |
¼”NB to 48”NB |
| Threaded Size Range |
1/4″(M06) to 2″(M52)” |
Nuts
Nuts are essential fastening components used in conjunction with bolts, screws, or threaded rods to securely join two or more parts together. Typically hexagonal in shape to allow easy tightening with a wrench or socket, nuts have internal threads that match the external threads of their corresponding fasteners. They come in a wide range of types, including hex nuts, lock nuts, wing nuts, flange nuts, and cap nuts, each designed for specific applications and performance requirements. Materials commonly used for nuts include carbon steel, stainless steel, brass, and nylon, with various coatings such as zinc plating or galvanization for enhanced corrosion resistance.
Washers
Washers are thin, flat, disk-shaped components used in conjunction with bolts, screws, or nuts to distribute load, reduce friction, and protect surfaces during fastening. They are typically placed between the fastener head or nut and the material being fastened, helping to prevent damage to the surface and ensuring a more secure connection. Washers come in various types, including flat washers (for load distribution), spring washers (for maintaining tension and preventing loosening), and lock washers (for resisting vibration and rotational movement). They are made from materials such as steel, stainless steel, brass, plastic, or rubber, depending on the application and environmental conditions.
Specification of Washers
| Standard |
ASTM / ASME / BS / DIN / JIS / BS EN ISO / IS |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Diameter Range |
M03 TO M110 AND 1/8” TO 3” Bigger sizes can be manufactured as per order |
Screws
Screws are versatile threaded fasteners used to join materials by being driven into them, typically without the need for a nut. Unlike bolts, screws create their own internal thread in the material as they are turned, making them ideal for applications involving wood, metal, plastic, or drywall. They come in a wide variety of types, including wood screws, machine screws, self-tapping screws, and sheet metal screws, each designed for specific materials and purposes. Screws also feature different head styles—such as flat, pan, or hex—and drive types like Phillips, slotted, or Torx, allowing for compatibility with various tools.
Specification of Screws
| Standard |
DIN / BS EN ISO |
| Material |
Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, Inconel, Hastelloy, Incoloy, Monel, Copper, Brass & Copper Nickel etc. |
| Diameter Range |
M03 TO M100 AND 1/8” TO 3” |
Steel Fastners
Steel fasteners are essential hardware components used to mechanically join or affix two or more objects together, offering strength, durability, and versatility across a wide range of industries. These fasteners are made from various grades of steel—such as carbon steel, alloy steel, and stainless steel—each chosen based on factors like strength, corrosion resistance, and environmental conditions. Common types of steel fasteners include bolts, nuts, screws, washers, studs, and rivets, all available in different sizes, thread types, and coatings (such as zinc, black oxide, or hot-dip galvanizing) to suit specific applications.
Specification of Steel Fastners
| Size |
M5 to M1000 |
| Length |
3 mm to 200 mm |
| Types |
Bolts, Nuts, Screws, Studs, Screw, Hex Set Screw, Socket Screw, Sockets,
Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw,
Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut,
Cap Screw, Hex Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Structural Bolts
Hex Head Bolts, J Bolts, Socket Hexagon Head Screw, U- Bolts, Hex Coupling Nut,
Mushroom Head Square Neck Bolts, Anchor Bolt, Wing Screw, Eye Bolt,
Foundation Bolts, T-Head Bolts |
| Form |
Hex Bolt, Square Bolt, Stud Bolt, Threaded Bar, Allen Bolt, Flat Screw, Grub Screw,
Hex Nut, Square Nut, Plain Washer, Hardlock Nut. |
