Cap Nut Manufacturer in India
Rebolt Alloys is a leading Cap Nut Manufacturer in India. With excellent manufacturing facilities and in house capability. This Cap Nuts main speciality is to provide a smooth and finished look to the end of a threaded rod or bolt. Our team of experienced engineers and technicians ensure that all Cap 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 Cap Nut Supplier in Mumbai.
Cap nuts, also known as acorn nuts, are a type of fastener designed to provide a smooth and rounded finish to the end of a threaded rod or bolt. They are named after their acorn-like shape, with a rounded top and a threaded base that screws onto the end of the rod or bolt. Cap Nuts is their ability to protect the threads from damage, debris, and moisture. The rounded cap covers the exposed threads, preventing them from getting damaged by impact which can prolong the life of the threaded fastener.

Stainless Steel Cap Nut Manufacturer, Cap Nuts Supplier, High Tensile Cap Nut Manufacturer,Duplex Steel Cap Nuts Supplier, Copper Cap Nuts Dealer, Cap Nuts Suppliers in India
Rebolt Alloys is reputed Cap Nut Manufacturer & Supplier in India, we are committed to providing our customers with the highest quality products at competitive prices. We manufacture these Cap Nut in a variety of dimensions, grades and types. Our expertise in handling custom orders positions us among the most trusted suppliers of Cap Nut, allowing us to complete orders of various shapes and sizes while ensuring the highest level of client satisfaction. We are also leading Bolt Manufacturer in India.

Specifications of Cap Nut
Standard Cap Nut specifications as per Cap Nuts manufacturers.
Cap Nuts Specifications | |
Standard & Specifications | IS, DIN, BS, ASTM, IS 4190, ISO, JIS, GB |
Length | 3 mm to 200 mm |
Size | M02 to M33 |
Thread Types | UNC, ACME, Machine, UNF |
Material | Stainless Steel, High Tensile, Nickel Alloy, Alloy Steel, Brass, Aluminium |
Stainless Steel Cage Nuts in Grade | SS 304, SS 304L, SS 309, SS 310, SS 316, SS 316L, SS 317, SS 317L, SS 321, SS 330, SS 347, SS 410, SS 430, SS 440C |
Nickel Alloy Cage Nuts | Hastelloy Cage Nuts, Cupro Nickel Cage Nuts, Nickel Cage Nuts, Monel Cage Nuts, Inconel Cage Nuts, Alloy 20 Cage Nuts |
Finish on Dome 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 |
Cap Nut Dimension Chart
The dimensions may vary depending on the specific manufacturer and the material used to manufacture the Cap Nuts.
One Piece Cap (Acorn) Closed-End Cap Nuts, Low Crown | ||||||||||
Nominal Size or Basic Major Diameter of Thread |
Width Across Flats |
Width Across Corners |
Body Diameter A) |
Overall Height (H) |
Hexagon Height (Q) |
Drill Depth (T) |
Full Thread (U) |
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Max | Min | Max | Min | Max | Min | |||||
6 | 0.1380 | 0.3125 | 0.302 | 0.361 | 0.344 | 0.30 | 0.34 | 0.16 | 0.25 | 0.16 |
8 | 0.1640 | 0.3125 | 0.302 | 0.361 | 0.344 | 0.30 | 0.34 | 0.16 | 0.25 | 0.16 |
10 | 0.1900 | 0.3750 | 0.362 | 0.433 | 0.413 | 0.36 | 0.41 | 0.19 | 0.28 | 0.19 |
1/4 | 0.2500 | 0.4375 | 0.428 | 0.505 | 0.488 | 0.41 | 0.47 | 0.22 | 0.34 | 0.25 |
5/16 | 0.3125 | 0.5000 | 0.489 | 0.577 | 0.557 | 0.47 | 0.53 | 0.25 | 0.41 | 0.31 |
3/8 | 0.3750 | 0.5625 | 0.551 | 0.650 | 0.628 | 0.53 | 0.62 | 0.28 | 0.45 | 0.38 |
1/2 | 0.5000 | 0.7500 | 0.736 | 0.866 | 0.840 | 0.72 | 0.81 | 0.38 | 0.59 | 0.50 |
5/8 | 0.6250 | 0.9375 | 0.922 | 1.083 | 1.051 | 0.91 | 1.00 | 0.47 | 0.75 | 0.62 |
3/4 | 0.7500 | 1.0625 | 1.045 | 1.227 | 1.191 | 1.03 | 1.16 | 0.53 | 0.88 | 0.75 |
Note that this chart is not comprehensive and may vary depending on the specific type and Cap Nuts manufacturer .
Cap Nut Available Size in Stock
Rebolt Alloys is a top Cap Nuts Manufacturers in India, we offer Cap Nuts in different size and grades.
Cap Nuts sizes available | |||
3/8″-16 Grade 2 Zinc Finish Top Cap Nuts | 1/2″-13 Grade 2 Zinc Finish Top Cap Nuts | 1/4″-20 Grade 2 Zinc Finish Top Cap Nuts | |
5/16″-18 Grade 2 Zinc Finish Top Cap Nuts | 3/8″-16 Grade 2 Zinc Finish Top Cap Nuts | 5/8″-11 Grade 8 Yellow Zinc Finish Top Cap Nuts | |
3/8″-16 Grade 18-8 NE Stainless Steel Top Cap Nuts | 3/8″-16 Grade 8 Yellow Zinc Finish Top Cap Nuts | 5/8″-11 Grade C Zinc Finish Steel Top Cap Nuts | |
3/4″-10 Grade 2 Zinc Finish Top Cap Nuts | 1/4″-20 Grade 18-8 NE Stainless Steel Top Cap Nuts | 3/4″-10 Grade 8 Yellow Zinc Finish Top Cap Nuts | |
5/16″-18 Grade 18-8 NE Stainless Steel Top Cap Nuts | 3/8″-16 Grade C Zinc Finish Steel Top Cap Nuts | 3/4″-10 Grade C Zinc Finish Steel Top Cap Nuts | |
1/4″-20 Grade 2 Zinc Finish Top Cap Nuts | 1/2″-13 Grade C Zinc Finish Steel Top Cap Nuts | 5/8″-11 Grade 2 Zinc Finish Top Cap Nuts | |
#10-24 Grade 2 Zinc Finish Top Cap Nuts | 1/2″-13 Grade 2 Zinc Finish Top Cap Nuts | 1/2″-13 18-8 Stainless Steel Finished SS Cap Nuts |
Applications Of Cap Nut
- Oil & Gas Industry
- Power Plant
- Marine & Ship Building Industry
- Refining Industry
- Automotive Industry
- Pharmacutical Industry
- Engineering Sector
- Engine & Turbines
- Aerospace Industry
- Construction Industry

Cap Nut Manufacturers in India
Rebolt Alloys
Cap Nut Manufacturers and Supplier in India
We supply Cap Nut in different cities like Mumbai, Chennai, Surat, Coimbatore, Kolkata, Jamnagar & Vijayawada. We are happy to quote you Cap Nut at best price. Each month we supply large amount of Cap Nut to different customers in India. The complete lists of locations we supply Cap Nut are mentioned in below table.
City we Supply Cap 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 |
Cap Nut Supplier & Exporter in India
Rebolt Alloys state itself as emerging and leading Cap 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 Cap Nut Exporter in India. We export numbers of Custom Cap Nut containers each month to India ports.
Countries We Export Cap 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 Cap 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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