Best Nuts, Bolts & Washers Manufacturer in India

We are leading Nuts & Bolts manufacturer and we offer our nuts & bolts in a wide variety.

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Nuts & Bolts Manufacturer in India

Teshi Group is a leading Flanges Manufacturer in India. Our range of Flanges is exclusively designed for several piping applications of various industries Such as Petroleum, Chemical, Hydraulic, Food, Metallurgy, Mechanical Equipment, Industrial Furnace, Valve accessories and Pipe Fittings and Other Industries.  We have types of flanges that include Socket Weld Flanges, Slip-On Flanges, Threaded Flanges, Blind Flanges, and more. Flanges are designed and developed in accordance with the IQS (International Quality Standards). We also offer customized Flanges as per the customer’s requirement.

Teshi Group is a Leading Supplier of Nuts & Bolts in India

Teshi Group is a major supplier of flanges in India. Teshi Group is India’s most reliable flanges supplier in India. Our high-quality flanges, sensible customer service and in-house flanges processing capabilities have made us one of the emerging and leading suppliers of flanges in India. Teshi Group is an ISO 9001:2015 certified & IBR approved company that has existed since 1981. Teshi Group is a worldwide prime flanges manufacturer. So, we are known as one of the top-rated flanges manufacturers in India.

Types of Nuts & Bolts

Nut-Bolts Specification, Grades & Material

Nuts & Bolts
Specification
Nuts & Bolts Types
Coupling Nuts, Flange Nuts, Hex Nuts, Lock Nuts, Slotted Nuts, Carriage bolts, Flange Bolts, Hex Head Bolts, Plow Bolts, Allen Bolts etc.
Class
150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. available with NACE MR 01-75
Size
M3 X 6MM to M48 X 300 generally conforming to IS 1363(Part 1 & 2) 2002, 3/16” X 1/2” to 2” X 12” in BSW threads generally conforming to BS 916,M2 to M60 generally conforming to IS 1363(Part 3)2002 (Hex Nut) and to IS 1364(Part 4)2003 (Lock (Thin) Nut), 1/8” to 2” in BSW threadsgenerally conforming to BS 916, 1/2” to 3” in BSP threadsgenerally conforming to IS 3468-1991, 1/4" to 1" in BSW threads, M6 to M24 in MM threads, M5 to M12generally conforming to IS 2585-2006, 1/8” to 1/2” in BSW threads,M6 to M24, M6 x 12 to M10 x 25mm, Lifting Hooks M8 to M48, Eye Bolt (Small Eye) M8 x 40 to M24 x 200, Eye Nuts M12 to M 20, M10 to M48 generally conforming to IS 2232-1967, 3/8" to 2" in BSW threads M3 to M48 generally conforming to IS7002-2005 1/4" to 1" in BSW, UNC, UNF and BSF threads. M6 to M16 1/4" to 5/8" in BSW threads M6 x 25mm to M20 x 100mm 1/4" x 1" to 3/4" x 4" 6 x 12mm to 24 x 100mm generally conforming to IS 1929/1982 and IS 2155/1982 1/4" x 1/2" to 1" x 4" 1/4" x 1 1/2" to 1/2" to 12" Special C.P. Carriage bolts with Nut and Washers 1/4" x 1 1/2" to 3" (for C.P.Aldrops) 3mm to 64mm generally conforming to IS 2016/67 1/8" to 2" 12mm to 24mm Suitable for pipe sizes of 3/4" to 12" with bolt dia of 8mm to 12mm 5/16" x 3" to 7" suitable for pipes of 1" to 2" 5/16" x 3" to 7" M6 to M20 in 1Mtr & 2Mtr length M6 to M16
Types
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Nuts & Bolts
Grade
Stainless Steel
ASTM /ASME A/SA 213 / 249 / 269 / 312 / 358 CL. I to V – 304 , 304L , 304H, 309S ,309H , 310S, 310H , 316 , 316TI , 316H , 316 LN , 317 , 317L , 321 , 321H , 347 , 347 H , 904L
Duplex Steel
ASTM/ASME A/SA 789, 790 – UNS NO S 31803, S 32205, S 32550, S 32750, S 32760.
Carbon Steel
ASTM A106 Gr. A, B & C API 5L Gr. A / B, X42 ,X52 ,X60 ASTM A 53 Gr. A/B
Alloys Steel
ASTM /ASME A/SA 213 / 335 / 691 – P5,P9,P11,P12,P22,P91
Nickel Alloys
Nickel Alloys 200, Nickel Alloys 201
Hastelloy
Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
Inconel
Inconel 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

Nuts & Bolts
Dimension Standards

ASME B15.5 & B16.47, AWWA, IS 1538, IS 6392, EN1092 etc.

Nuts & Bolts Packaging & Delivery Details

Pay Mode Terms- L/C (Letter of Credit), T/T (Bank Transfer), Other

Port of Dispatch- Any Port from India

Packaging Details- Flanges are packaged with caution and safety so they reach our client’s as good as he would expect. Packaging Charges Extra.

Tax- 18% GST only for domestic delivery. No GST for other countries.

Frequently Asked Questions

Most frequent questions and answers

What is a Bolts or Nuts?

A bolt is a type of fastener that is used to hold two or more objects together. It is typically made up of a cylindrical shaft with a head on one end and threads on the other. The head of the bolt is designed to be tightened by a wrench or a tool while the threads on the other end are used to screw into a nut or thread into a material. Bolts are typically used in construction, manufacturing, and other heavy-duty applications.

A nut is a type of fastener that is used in conjunction with a bolt to hold two or more objects together. It is typically a cylindrical piece of metal or other material with internal threads. The nut is screwed onto the threads of the bolt and tightened against the object that the bolt is holding together. Nuts come in a variety of sizes and types, such as hex nuts, wing nuts, and lock nuts.

What types of nuts are available?

There are many types of nuts available, including hex nuts, wing nuts, lock nuts, flange nuts, and square nuts. Hex nuts are the most common and have six sides for a wrench to grip. Wing nuts can be tightened and loosened by hand. Lock nuts have a mechanism to prevent them from vibrating loose. Flange nuts have a built-in washer-like flange that spreads the load. Square nuts have four sides and are used in square-holed or keyway-slotted workpieces.

What are the types of bolts?

There are many types of bolts available, each with their own specific characteristics and uses. Some common types of bolts include:

  1. Hex head bolts: These are the most common type of bolt and have a six-sided head that can be tightened or loosened with a wrench.

  2. Carriage bolts: These have a round head with a square shoulder that resists rotation when tightened into wood.

  3. Lag bolts: These are heavy-duty wood screws with a hex head and are used for attaching heavy items such as decks, fences, and outdoor structures.

  4. Eye bolts: These have a circular ring on one end and are used for attaching ropes or cables.

  5. U-bolts: These are shaped like the letter “U” and are used for attaching pipes or other round objects.

  6. Shoulder bolts: These have a cylindrical body with a shoulder that is used to provide a bearing surface.

  7. Flange bolts: These have a built-in washer-like flange that spreads the load and are used in automotive and other high-stress applications.

  8. Structural bolts: These are designed for use in structural connections in construction and have a heavy hex head and a large, flat washer.

These are some of the most common types, but there are many other specialized types of bolts available as well, each suited for specific applications.

What are the differences between nuts and bolts?

Bolts and nuts are both types of fasteners that are used to hold two or more objects together, but they have some key differences:

  1. Threads: Bolts have threads on the end that screws into a nut or thread into a material, while nuts have internal threads that match the threads of the bolt.

  2. Size: Bolts are typically larger in diameter than nuts and are used for more heavy-duty applications.

  3. Shape: Bolts typically have a cylindrical shape with a head on one end and threads on the other, while nuts are cylindrical with internal threads.

  4. Function: Bolts are inserted through a hole in one piece of material and then tightened by turning a nut on the other side of the material. Nuts are screwed onto the threads of the bolt and tightened against the object that the bolt is holding together.

  5. Grade: Bolts are often graded according to their strength and durability, while nuts are graded based on their material, finish and strength.

  6. Application: Bolts are used in construction, manufacturing, and other heavy-duty applications, while nuts are used in a wide range of applications, such as machinery, vehicles, and household items.

What are nuts used for?

Nuts are used to secure a bolt or screw in place by being tightened against the item that the bolt or screw is holding together. They come in a variety of sizes and types, such as hex nuts, wing nuts, and lock nuts.What do you use a coupling nut for?
Coupling nuts, also known as extension nuts, are elongated internally threaded nuts used to join two male threads. Coupling nuts are often used for joining threaded rods or hanger bolts in a variety of applications that require extending threaded rods or attaching like items.

What are the different grades of bolts?

Bolts are often graded according to their strength and durability. The most common grades are:

  • Grade 2: Low-strength, general-purpose bolts.
  • Grade 5: Medium-strength bolts that are heat-treated.
  • Grade 8: High-strength bolts that are heat-treated and made of alloy steel.

What are the different materials that washers can be made from?

Washers can be made from a variety of materials, including steel, stainless steel, brass, aluminum, and plastic. The material chosen will depend on the specific application and the level of corrosion resistance required. Stainless steel and brass are commonly used in marine and outdoor applications because of their resistance to corrosion.

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