Square Nut Manufacturers in India
Rebolt Alloys is a leading Square Nut Manufacturer in India. With excellent manufacturing facilities and in house capability. Square Nuts comes in unique shape that provides a better grip and prevents the nut from turning. Dome Nuts are used with bolts for strong joints and withstand high torque rates. Our team of experienced engineers and technicians ensure that all Square Nut meet the highest standards of quality and safety. With our commitment to customer satisfaction and timely delivery, we have been able to build a strong reputation for Square Nut Supplier in Mumbai.
Square Nut are excellent due to their ability to withstand rotation and provide more locking strength. Square Nut are easier to tighten and release with a wrench or pliers and are less likely to strip or damage the threads on the bolts because of their square shape. Square Nuts has ability to be used in areas where clearance is limited. Since they have a lower profile compared to hex Nut, they can be used in tight spaces where hex nut would not fit.

Stainless Steel Square Nut Manufacturer, Inconel Square Nut Supplier, Monel 400 Square Nut Exporter, Square Weld Nut Manufacturer in India
As a Square Nut Manufacturer in India, we are committed to providing our customers with the highest quality products at competitive prices. We manufacture these Square Nut in a variety of dimensions, grades and types like Square Nut, Heavy Square Nut, Square Nut, Dome Nut, Nylock Nut, Wing Nut, Lock Nut, Closed Nut, Coupler Nut, Cap Nut, Cross Hole Nut, Slotted Round Nut. Our expertise in handling custom orders positions us among the most trusted suppliers of Square Nut, allowing us to complete orders of various shapes and sizes while ensuring the highest level of client satisfaction. We are also leading Dome Nut Manufacturer in India.

Specifications of Square Nut
Standard Square Nut specifications as per fasteners manufacturers.
Square Nuts Standard | EU, IFI, CSN, Italian, ASME, British BS, Indian IS, ISO, DIN, Polish PN, SAE |
Square Nuts Sizes | M6 to M42 |
Square Nuts Length | 1/8″ – 4″ |
Square Nuts Forming | Hot Forged Square Nuts & Cold Forged Square Nuts |
Finish on Square Nuts | HDG, Zinc Plated, Zinc Flake, Black Oxide, Xylan or as customer request |
Packing of Bolts | Wooden pallet, Small Boxs / Carton / Pallet, or as customer request |
Grades | |
Stainless Steel | ASTM / 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 Steel | UNS NO S 31803 , S 32205 , S 32550 , S 32750 , S 32760. |
Hastelloy | ASTM / ASME A 335 GRP 1 , P 5 , P 9 , P 11 , P 12 , P 22 , P 23 , P 91 |
Alloys Steel | ASTM / ASME A/SA 193 / 194 - B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M |
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 |
Square Nut Dimension Chart
Nominal Size | F | C | H | |||||
Width Across Flats | Width Across Corners | Thickness | ||||||
Basic | Max | Min | Max | Min | Basic | Max | Min | |
1⁄2 | 13⁄16 | 0.812 | 0.788 | 1.149 | 1.052 | 7⁄16 | 0.458 | 0.418 |
5⁄8 | 1 | 1.000 | 0.969 | 1.414 | 1.300 | 35⁄64 | 0.569 | 0.525 |
3⁄4 | 11⁄8 | 1.125 | 1.088 | 1.591 | 1.464 | 21⁄32 | 0.680 | 0.632 |
7⁄8 | 15⁄16 | 1.312 | 1.269 | 1.856 | 1.712 | 49⁄64 | 0.792 | 0.740 |
1 | 11⁄2 | 1.500 | 1.450 | 2.121 | 1.961 | 7⁄8 | 0.903 | 0.847 |
11⁄8 | 111⁄16 | 1.688 | 1.631 | 2.386 | 2.209 | 1 | 1.030 | 0.970 |
11⁄4 | 17⁄8 | 1.875 | 1.812 | 2.652 | 2.458 | 13⁄32 | 1.126 | 1.062 |
13⁄8 | 21⁄16 | 2.062 | 1.994 | 2.917 | 2.708 | 113⁄64 | 1.237 | 1.169 |
11⁄2 | 21⁄4 | 2.250 | 2.175 | 3.182 | 2.956 | 15⁄16 | 1.348 | 1.276 |
Dimensions per ASME B18.2.2 1987 |
Square Nut Available Sizes
Square Nuts Sizes | |||
Square Nuts Sizes | Square Nuts size chart | Square Nuts size guide | Square Nuts dimensions |
3/8″-16 Grade 5 Finished Square Nuts | 1/2″-13 Yellow Grade 8 Finished Square Nuts | 1/4″-20 Grade 2 NE Steel Square Nuts | |
5/16″-18 Grade 2 NE Steel Nylon Insert Square Nuts | 1/2″-13 ASTM A563 Grade A Steel Square Nuts | 3/8″-16 ASTM A563 Grade A Steel Square Nuts | |
3/4″-10 A194 2-H Plain Finish Heavy Hex Nut | 5/8″-11 A194 2-H Plain Finish Heavy Hex Nut | 3/8-16 Low Carbon Plated Heavy Hex Nut | |
5/16″-18 Acorn Square Nuts 18-8 Stainless Steel | 1/2″-13 Acorn Square Nuts 18-8 Stainless Steel | 5/16″-18 Case Hardened Square Nuts | |
5/8-18 Square Nuts | 3/4-16 Square Nuts | 5/8″-11 Case Hardened Square Nuts | |
7/8″-14 SAE J995 Grade 2 Plain Finish Steel Square Nuts | 1″-8 SAE J995 Grade 2 Plain Finish Steel Square Nuts | 3/8″-16 x 0.620″ – 0.655″ Width Bridge Spot Square Nuts | |
1/4″-20 Wide Spot Weld Square Nuts | 3/4-10 x L2-1/4 x W1″ Coupling Square Nuts | 3/8-16 x L1-3/4 x W5/8 Coupling Square Nuts | |
1/4-20 Plated Cold Square Nuts | 5/16-18 Plated Cold Square Nuts | 1/2″-13 Grade A Plain Finish Steel Regular Square Nuts | |
3/8″-16 Grade A Finish Steel Regular Square Nuts | 5/8″-11 Grade A Finish Steel Regular Square Nuts | M6-1.0 Class 5 Finish Steel Regular Square Nuts |
Applications Of Square Nut
- Oil & Gas Industry
- Power Plant
- Marine & Ship Building Industry
- Refining Industry
- Automotive Industry
- Pharmacutical Industry
- Engineering Sector
- Engine & Turbines
- Aerospace Industry
- Construction Industry

Square Nut Manufacturers in India
Rebolt Alloys
Square Nut Manufacturers and Supplier in India
We supply Square Nut in different cities like Mumbai, Chennai, Surat, Coimbatore, Kolkata, Jamnagar & Vijayawada. We are happy to quote you Square Nut at best price. Each month we supply large amount of Square Nut to different customers in India. The complete lists of locations we supply Square Nut are mentioned in below table.
City we Supply Square Nut | |||||
Mumbai | Ahmedabad | Jaipur | Surat | Pune | Delhi |
Ludhiana | Gujarat | Sivakasi | Kerala | Indore | Rajahmundry |
Bhosari | Vijayawada | Firozabad | Nagpur | Rajkot | Siliguri |
Salem | Raipur | Chennai | Hyderabad | Kolkata | Rohtak |
Darjeeling | Panna | Jalandhar | Bhubaneswar | Prayagraj | Durgapur |
Peenya | Pimpri-Chinchwad | Channapatna | Kharagpur | Nashik | Bareilly |
Varanasi | Haldia | Rourkela | Bangalore | Vadodara | Thiruvananthapuram |
Patna | Trivandrum | Tiruppur | Gandhinagar | Angul | Gawlior |
Coimbatore | Kannur | Bokaro Steel City | Belagavi | Rudrapur | Jabalpur |
Square Nut Supplier & Exporter in India
Rebolt Alloys state itself as emerging and leading Square Nut Supplier in Saudi Arabia, UAE, Malaysia, Singapore, Africa and other countries world wide. Our mainly focus on Exporting Nut world wide anywhere in the world, we established ourself as leading Square Nut Exporter in India. We export numbers of Custom Square Nut containers each month to India ports.
Countries We Export Square Nut | |||
Oman | Qatar | Kuwait | Germany |
Mexico | Canada | Saudi Arabia | United Kingdom |
United States | South Africa | Malaysia | UAE |
Singapore | Sri Lanka | Australia | Brazil |
France | Italy | Greece | Nepal |
Shipping Policy
Rebolt Alloys has a comprehensive shipping policy in place in order to ensure that customers get their products as soon as possible. The company makes every effort to complete orders as quickly as possible since it recognises how important timely Square Nuts delivery is to the success of our customers' projects.
In cases an item is out of stock or back-ordered, Rebolt Alloys will notify the customer and provide an estimated delivery date. Rebolt Alloys ensures that all orders are well-packaged to prevent damage during transit. In cases where an item is received damaged, customers can contact the company's customer support team for assistance.
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