DotsFasteners is a trusted and leading Fastener's Manufacturer in India, renowned for delivering premium-quality fasteners that adhere to international and domestic industry standards. We offer a comprehensive range in multiple sizes, materials, and grades to cater to the varying requirements of industrial, construction, and infrastructure sectors.
Dots Fasteners – Leading Bolt Manufacturer in India
Dots Fasteners is a top-tier manufacturer and supplier of high-quality bolts in India. With a robust inventory and ready stock for export and domestic supply, we specialize in manufacturing bolts that meet custom specifications and international quality standards.
We are India’s largest manufacturer of large-diameter bolts and nuts in high tensile and stainless steel grades, catering to major contractors and consultants across critical industries such as power, renewable energy, wind energy, and infrastructure.
As a trusted bolt manufacturer and supplier, we also offer a comprehensive range of Hex bolts, nuts, stud bolts, and other fasteners, with customization available to meet unique client needs.
Bolt Applications & Industry Uses
Bolts are vital components in numerous industries due to their strength, reliability, and ease of installation and removal. High tensile bolts play a crucial role in steel construction projects because of their high yield strength and ability to withstand significant compression and tension forces.
✅ Industrial Applications of Bolts:
- Sugar Industry
- Cement Industry
- Shipbuilding Industry
- Chemical Industry
- Petrochemical Industry
Why Choose Dots Fasteners?
- India’s largest manufacturer of custom and large-diameter bolts
- Ready stock and fast delivery for domestic and international markets
- Specialized in high tensile and stainless steel bolts
- Customized solutions as per client drawings and specifications
- Trusted by leading infrastructure and energy sector contractors
Bolt Specifications – Dots Fasteners
At Dots Fasteners, we manufacture a wide range of industrial bolts with precise specifications, adhering to global standards and client requirements.
🔩 Basic Specifications
| Parameter | Details |
|---|---|
| Bolt Size | M02 to M160, Custom Sizes Available |
| Bolt Length | 3 mm to 1000 mm |
| Thread Types | UNF, BSW, BSF, METRIC, UNC, or as per requirement |
| Forms | Hex, Square, Round, Threaded (as per gauge) |
| Head Drive Types | Six-Lobe, Phillips, Phillips/Slot, Slotted |
📐 Standards Available
We manufacture bolts according to a wide range of international standards:
- IS: IS 1364
- ISO: ISO 4014, ISO 4017, ISO 4016, ISO 4018
- DIN: DIN 933, DIN 931, DIN 558, DIN 601, DIN 7968, DIN 7990, DIN EN 14399-4
- BS: BS 1083, BS 1768
- ASME: ASME B18.2.1, ASME B18.5
- JIS: JIS B1180
- EU/Other: CSN 21301, EU 24016
⚙️ Thread Configuration
- Inch Threads: ASME B1.1 – Class 2A/3A & 2B/3B (Unified Threads)
- Metric Threads: ASME B1.13M – Class 6h-6G (Coarse Threads)
- Threads can be rolled or cut, horizontally or vertically tapped.
🏭 Production & Raw Material
| Type | Details |
|---|---|
| Raw Material | JSPL, Mukund Steel, Tata Steel, Dhamma Steel, Usha Martin |
| Production | M2–M24: Cold Forging M24–M100: Hot Forging Custom: Machining & CNC |
📦 Packaging Options
- Bulk in cartons or pallets
- Small boxes/cartons
- As per customer requirements
🎯 Finishing & Surface Coating
✅ Surface Coatings:
- PTFE Coated
- Phosphate Coated
- Teflon Coated
- Zinc Coated (Blue, Black, Yellow, White)
- Hot-Dip Galvanized (HDG)
- Cadmium Coated
- Xylon Coated
✅ Bolt Finishing Options:
- Self-Colour
- Passivated
- Bright Zinc Plated (BZP)
- Sherardized
- Dacromet Coating
- Zinc-Nickel Plated
- Black Oxide
- Anodizing
📄 Certifications
- Dual Certified as per ASTM & ASME Codes
- Test Certificates: EN 10204 / 3.1 Manufacturer Test Certificate
- Additional Certifications:
- PED 97/23/EC Certified
- Merkblatt AD 2000 W2 Certified
🔧 Popular Bolt Types
- Hex Bolts
- Flange Bolts
- Hex Head Bolts
- Lag Bolts
- Square Bolts
- Eye Bolts
- U Bolts
- T Bolts
- Countersunk Bolts
Bolts – Forms & Availability
At Dots Fasteners, we manufacture and supply a diverse range of bolt types in various materials and sizes, tailored to meet industrial requirements across multiple sectors.
📦 Product Range & Sizes
| Product | Size Range |
|---|---|
| Stainless Steel Heavy Hex Bolts | M02 to M160, Custom Sizes Available |
| Stainless Steel Hollow Hex Bolts | M02 to M160, Custom Sizes Available |
| Carbon Steel Hollow Allen Bolts | M02 to M160, Custom Sizes Available |
| Alloy Steel Machine Bolts | M02 to M160, Custom Sizes Available |
| Incoloy Socket Head Bolts | M02 to M160, Custom Sizes Available |
| Titanium Hex Flange Bolts | M02 to M160, Custom Sizes Available |
| Nickel Eye Bolts | M02 to M160, Custom Sizes Available |
| Alloy 20 Lag Bolts | M02 to M160, Custom Sizes Available |
| Hastelloy J Bolts | M02 to M160, Custom Sizes Available |
| Titanium U Bolts | M02 to M160, Custom Sizes Available |
| Cu-Ni (Copper-Nickel) Shoulder Bolts | M02 to M160, Custom Sizes Available |
| Monel Elevator Bolts | M02 to M160, Custom Sizes Available |
| SMO 254 Hanger Bolts | M02 to M160, Custom Sizes Available |
| Inconel Allen Bolts | M02 to M160, Custom Sizes Available |
🔧 Customization Options
- Material Grade: SS, MS, Carbon Steel, Alloy Steel, Titanium, Nickel Alloys, etc.
- Threading: Metric & Inch Series
- Coatings: Zinc, PTFE, HDG, Cadmium, Dacromet & more
- Head Types: Hex, Allen, Flange, Eye, J, U, T, Countersunk, etc.
- Certification: EN 10204 / 3.1, ASTM/ASME, PED, AD 2000 W2