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?

The bolt consists of a head and a cylindrical body with screw threads along a portion of its length. The nut is the female member of the pair, having internal threads to match those of the bolt. Washers are often used to prevent loosening and crushing.

How do I choose nuts for bolts?

Coarse-threaded nuts and bolts are the most common and have more space between the threads. They’ll be labeled with a higher thread pitch. 2. Fine-threaded nuts and bolts with lower thread pitches have smaller gaps between the threads, giving them a tight, stronghold.

What are the differences between nuts and bolts?

A nut is a component that fits over the end of a bolt and helps it hold objects in place. A bolt is a non-tapered fastener that uses a washer and nut to hold objects together.

What are the types of bolts?

Anchor Bolts, Blind Bolts, Carriage Bolts, Double End Bolts, Eye Bolts, Flange Bolts, Hex Bolts, Machine Bolts, and Machine Screws, Penta-Head Bolts, Round Head Bolts, Shoulder Bolts, Socket Head Bolts, Square Head Bolts, T-Head Bolts, U-Bolts.

What are Allen bolts made of?

Hex cap screws/ Allen Bolts feature a washer face under the head and a chamfered point, whereas a hex bolt does not have a washer face or chamfered threads. They are made of low-carbon steel and are very common in construction or repair projects.
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.

Why do we use Allen bolts?

The primary advantage of Allen bolts over hex bolts is that the tool used to do them up can be smaller than the head itself. So they are perfect for if you have a bolt that’s down inside a narrow opening. You can stick the Allen key down into the hole and do up the bolt.

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.

How do you measure a coupling nut?

A coupling nut can be measured by its internal threads (X) as well as its measurement across its hexagonal flats (B) and profile height (A).

How long is a coupling nut?

Typically, sizes range from about #10 to 1 1/2″. Sizes less than 1/4″ appear as a number size (the larger the number the larger the size) while sizes that are 1/4″ and larger are specified in inches, usually fractional rather than decimal. Nut width and length vary with the size of the coupling nut.

What are flange bolts used for?

Hex flange bolts are used on vehicle frames, especially truck frames, and anywhere a hex washer head bolt is needed. The large bearing surface distributes clamping force over a large area, allowing them to be used with irregular and oversized holes.

Do you need a washer with a flange bolt?

The addition of steel washers to a fastener system is recommended to improve the translation of torque input into bolt preload. Washers provide a smooth bearing surface, reducing friction between nut and flange. This effect is greatest when washers are through-hardened.

What do flanged nuts do?

Flange nuts have a washer-like base to distribute pressure over a greater surface area and ensure the fastener stays tight. They are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.

How do you measure a flange nut?

Stretch the tape measure across the nut’s diameter to the flat side directly across from the one you pulling from. If the nut is metric, count the number of lines on the tape measure to find the measurement. If you count 9 lines, the size is a 9-mm (millimeter) nut.

When would you use a hex bolt?

Hex bolts can be used in tight spaces to secure wood, metal, plastic, and other materials. Hex bolts are commonly used in buildings, bridges, docks, and highway structures, but you can find hex bolts in all industries and all homes. In most cases, you’ll use a wrench or a spanner to tighten or loosen hex bolts.

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