Manufacturers, Supplier & Stockist in Kolkata


Bolt Manufacturers, Suppliers & Exporter in Kolkata – Caliber Enterprise

Bolt Manufacturer in Kolkata

Caliber Enterprise is a top Bolt Manufacturer in Kolkata, Our bolts are meticulously manufactured to exhibit exceptional resistance to corrosion and extreme heat conditions. We take pride in catering to our client's diverse needs by providing bolts in various materials, sizes, and grades.

We are a leading Bolt Manufacturer in Kolkata, known for its expertise as a top-notch Bolt Supplier in Kolkata. Our company adheres to both Indian and International standards, including ASME, AISI, ASTM, ANSI, DIN, BS, IS, and JIS, to ensure the highest quality of bolt production. With a comprehensive inventory, we offer a wide range of bolts that are readily available for export and supply.

Bolt Manufacturers in Kolkata - About Hex Bolt, Allen Cap Bolt

Caliber Enterprise is a prominent Bolt Supplier in Kolkata. To ensure the production of high-quality bolts, we use cutting-edge technology, well-established procedures, evolving methodology, and highly skilled employees. We are a well-known company. For the production of bolts, our team of professionals carefully selects premium-grade raw materials. We are a highly regarded Bolt Manufacturer. We provide a wide range of bolt products in various grades and materials, such as Stainless Steel, Carbon Steel, Mild Steel, Nickel, Aluminium, Nickel Alloy, Duplex, and Super Duplex Steel.

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SS Bolt Sizes, Grades & Standard Specification in Kolkata

With our dedication to quality and dependability, we have established ourselves as a widely renowned Bolt Manufacturer in Kolkata. Our skilled staff meticulously selects premium grade raw materials to manufacture bolts that match the specific needs of our clients.

Bolt Size, Grade & Specification
Bolt size M 02 to M 160, Custom Sizes
Bolts Length 3 mm to 200 mm
Bolt UNF, BSW, BSF, METRIC, UNC, or as required
Standard of Bolts IS1364, ISO 4014, ISO 4017, DIN 933, DIN 931, BS 1083, BS 1768, ASME B18.2.1, JIS B1180, DIN 558, ISO 4018, DIN-EN14399-4, DIN 601, ISO 4016, CSN 21301, EU 24016, DIN 7968, DIN7990, ASME B18.2.1, B18.5
Form of Bolts Hex, Threading, Square, Round as per Gauge Etc.
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamma Steel, Usha Martin, etc.
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Popular Types of Bolts Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Countersunk Bolts, etc.
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate of Bolts as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production process M24-M100: hot forging, M2-M24: Cold Forging, for custom-made connecting element machining and CNC
Head drive of Bolts Six-Lobe, Phillips, Phillips/Slot, Slotted etc
Packing of Bolts IN BULK: canton, pallet, Small Boxs / carton/pallet, or customer request
Surface Coating PTFE Coated Bolts
Phosphate Coating
Teflon Coating
Zinc Coating
Hot Dipped Galvanizing Coating
Cadmium Coating
Xylon Coating
Bolts finishing Coatings & Finishes: Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating, Dacroment, nickel-plated, anodizing, plated zinc-nickel
Zinc (blue, black, yellow, white), black oxide,

Top Selling Types Of Bolt in Kolkata

We take satisfaction in offering a wide range of high-quality fasteners in a variety of sizes, grades, and specifications. If you need high-quality Fasteners, don't hesitate to contact us! Caliber Enterprise is a well known Bolt Supplier.

We are a leading Bolt Manufacturers, Suppliers & Stockist in Kolkata

— Caliber Enterprise
Manufacturer & Stockist of all Types of Bolt

Application & Uses of Bolt Fasteners

Caliber Enterprise recognizes the critical relevance of fasteners in these circumstances. Our commitment is to produce bolts of unparalleled quality, dependability, and performance. Bolts are utilized in a variety of applications such as engineering, construction, fabrication, and manufacturing.





Power Plants

Power Plants



  • Bolt Used in Oil & Gas
  • Bolt Used in Power Plant
  • Bolt Used in Machine
  • Bolt Used in Petrochemical
  • Bolt Used in Medical
  • Bolt Used in Agricultural
  • Bolt Used in Paper & Pulp
  • Bolt Used in Ship Building

Bolt Additional Information

  • Payment Modes: LC (Letter of Credit), TT (Telegraphic Transfer or Wire Transfer), Cheque, and others.
  • Packaging: Bolt are packaged with caution and safety so they reach our client’s as good as he would expect. Packaging Charges Extra.
  • Port of Dispatch: Mumbai ports in the Maharashtra state of India.
  • Tax: 18% GST.

Client Project Report of Bolt

Our SS Bolts are highly regarded in Kolkata and have been used in various locations and sectors throughout India. Caliber Enterprise is dedicated to being a reliable Bolt Manufacturer that delivers high-quality products at competitive prices with on-time delivery. If you have any inquiries about our products or services, feel free to reach out to us via email at or via WhatsApp at +91 22 6615 1701.

Bolt Client Project Report
Product supplied Cities
SS Bolt Supplied To Oil & Gas Industry Mumbai
All types of Bolt Supplied Bangalore, India
Hex Bolt Chennai
Carbon Steel Bolt New Delhi

Prominent Bolt Exporter in the following Countries

We are well-known for our high-quality products and have gained a reputation as a reliable Bolt Supplier. For new clients, we offer regular shipping to a variety of countries. If you require high-quality bolts, look no further than Caliber Enterprise. Caliber Enterprise is a prominent Bolt Exporter that provides its services across various countries, including Saudi Arabia, Kuwait, Oman, UAE, Mexico, and more.

Leading Bolt Supplier in listed Cities.

We take pride in our reputation as a reliable supplier of high-quality bolts. Our sales offices are located in over 15 states and more than 30 cities across India. Caliber Enterprise is a top rated Bolt Stockist in various Indian cities, including Ahmedabad, Bangalore, Karnataka, Hyderabad, and many others. If you're in search of a dependable Bolt Manufacturer, look no further than Caliber Enterprise. Additionally, we are a leading Bolt Supplier, providing our customers with a wide range of bolts to suit their needs.

  • Bolt Supplier in Mumbai
  • Bolt Supplier in Bangalore
  • Bolt Supplier in Hyderabad
  • Bolt Supplier in Pune
  • Bolt Supplier in Chennai
  • Bolt Supplier in Kolkata
  • Bolt Supplier in Ahmedabad
  • Bolt Supplier in Surat
Trusted by Genuine Clients

We got the rivet guns on the day promised the quality was far better than what we expected in the price.

Kavita Jha

I ordered Stainless steel 304 pipes from Sandco Metal Industries for my plumbing work and I was impressed with their quality and strength.

Anita Jain

You should choose Sandco Metal Industries if you require pipes for any purpose. They offer a wide range of great quality products.

Sunita Vishwakarma

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Contact Details

If you have any query about our service please contact with us


Caliber Enterprise, Shop No.13, Pallanji House, Raja Ram Mohan Roy Road, Next Petrol Pumps, Mumbai- 400004

Phone Number:
+91 22 6615 1701
+91 22 2380 3873

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  • Quality Inspection
  • Iso certified company

19 Yrs

Manufacturing & Supplying Experience

ISO Certified

ISO Certified

Affordable Pricing

Affordable Pricing

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