Industrial Fasteners
From skyscrapers to submarines, from refineries to renewable energy plants—fasteners silently keep the world together. Unifit Metalloys is a leading Industrial Fasteners Supplier in India, providing high-quality screws, bolts, nuts, and stainless steel fasteners for global industries. Every screw, bolt, and nut plays a critical role in ensuring strength, safety, and stability. Choosing the right Industrial Fasteners Supplier in India ensures durability and compliance with standards.
What Are Industrial Fasteners?
Fasteners are mechanical devices designed to hold components together—permanently or temporarily.
Quick Technical Snapshot
| Feature | Details |
|---|---|
| Material Options | Stainless Steel, Alloy Steel, Carbon Steel, Brass, Titanium |
| Common Standards | ASTM, DIN, ISO, ASME, BS |
| Sizes Available | M2 to M100 (diameter), Lengths up to 1 meter |
| Surface Finishes | Zinc Plated, Hot Dip Galvanized, Black Oxide, PTFE Coated |
| Strength Grades | 4.6, 8.8, 10.9, 12.9 (per ISO) |
Types of Industrial Fasteners Supplier in India – Unifit Metalloys’ Prime Bolts & Screws
Screws Manufacturer in India
Screws are threaded fasteners that convert rotational force into clamping force.
Screw Specifications
| Type of Screw | Diameter Range | Length Range | Applications |
|---|---|---|---|
| Machine Screws | M2 – M30 | 5mm – 200mm | Automotive, Electrical |
| Self-Tapping Screws | 2.9mm – 6.3mm | 9mm – 100mm | Sheet Metal, Plastics |
| Socket Head Screws | M3 – M36 | 10mm – 300mm | Heavy Machinery |
Bolts Manufacturer in India
Bolts provide high clamping force and are widely used in structural and industrial projects.
Bolt Specifications
| Type of Bolt | Standard | Size Range | Material Options | Industries |
|---|---|---|---|---|
| Hex Head Bolts | DIN 933/931 | M6 – M100 | SS, Alloy Steel | Oil & Gas, Petrochemical |
| Stud Bolts | ASTM A193 | ½” – 4” | B7, L7, SS316 | Power Plants, Refineries |
| Carriage Bolts | DIN 603 | M5 – M20 | Carbon Steel | Construction, Railways |
Nuts & Washers
Nuts lock bolts securely, while washers distribute load and prevent surface damage.
Nut & Washer Standards
| Fastener Type | Standards | Size Range | Application |
|---|---|---|---|
| Hex Nuts | DIN 934 | M6 – M100 | General Engineering |
| Heavy Hex Nuts | ASTM A194 | ½” – 4” | High-Pressure Systems |
| Flat Washers | DIN 125 | M6 – M100 | Load Distribution |
| Spring Washers | DIN 127 | M6 – M48 | Vibration Resistance |
Comparison : Indian vs International Fastener Standards
Standards Comparison Table
| Parameter | Carbon Steel Fasteners | Stainless Steel Fasteners |
|---|---|---|
| Corrosion Resistance | Low (needs coating) | Excellent (self-passivating) |
| Strength | High tensile strength | Moderate to high |
| Cost | Economical | Higher due to alloy content |
| Maintenance | Requires regular coating | Low maintenance |
| Best Use | Construction, machinery | Marine, chemical, oil & gas |
Stainless Steel Fasteners Manufacturer in India
– A Key Segment of Industrial Fasteners Supplier in India
Stainless steel fasteners are highly corrosion resistant and perform exceptionally well in harsh environments like marine, offshore, and chemical plants.
Stainless Steel Grades Offered
| Grade | Properties | Application |
|---|---|---|
| SS 304 | General corrosion resistance | Food & Pharma |
| SS 316 | Chloride resistance | Marine, Offshore, Chemical |
| SS 310 | High temperature strength | Power & Furnace |
| Duplex 2205 | High strength + corrosion resistance | Oil & Gas, Petrochemical |
Comparison : Indian vs International Fastener Standards
Standards Comparison Table
| Fastener Standard | Country/Region | Scope |
|---|---|---|
| IS (Indian Standards) | India | Local industrial & infrastructure projects |
| ASTM / ASME | USA | Global engineering, petrochemical, oil & gas |
| DIN / ISO | Germany / Global | Widely accepted in Europe & worldwide |
| BS (British Standard) | UK | Aerospace, automotive, power |
Why Choose Unifit Metalloys as Your Industrial Fasteners Supplier in India
At Unifit Metalloys, we specialize in precision-engineered fasteners manufactured to ASTM, ASME, DIN, and ISO standards. Unifit Metalloys has earned a reputation as a trusted Industrial Fasteners Supplier in India for global clients.
Our Technical Capabilities
| Parameter | Details |
|---|---|
| Product Range | Screws, Bolts, Nuts, Washers, Studs, Custom Fasteners |
| Size Range | M2 – M100, Lengths up to 1000mm |
| Grades Offered | SS 304/316/310, Alloy Steel, Duplex, Super Duplex |
| Surface Finish | Zinc, PTFE, HDG, Black Oxide |
| Certifications | ISO 9001:2015, PED, IBR, NACE MR0175 |
Applications from an Industrial Fasteners Supplier in India
- Oil & Gas Refineries – Stud bolts, heavy hex nuts
- Power Plants – High-temperature alloy fasteners
- Petrochemical & Chemical – Stainless steel & duplex fasteners
- Construction & Infrastructure – Structural bolts & washers
- Automotive & Aerospace – Precision screws & nuts
Future Trends in Fastener Manufacturing
- Adoption of smart coatings for longer lifespan
- Increased demand for Duplex & Super Duplex fasteners
- Growth of automation and CNC machining for precision
Top Qualities of a Reliable Industrial Fasteners Supplier in India
Fasteners may look small, but they hold the world together—literally. Whether you need screws, bolts, nuts, or stainless steel fasteners, choosing a reliable manufacturer like Unifit Metalloys ensures safety, durability, and global standard compliance. With our world-class manufacturing, certified quality, and timely delivery, we are your trusted partner for fastener solutions in India and worldwide.
FAQs
Q1. What standards do Unifit Metalloys fasteners comply with?
We manufacture as per ASTM, ASME, DIN, ISO, BS, and customer-specific standards.
Q2. Can you supply customized fasteners?
Yes, we specialize in custom fasteners as per drawings and specifications.
Q3. Do you export stainless steel fasteners?
Absolutely. We supply to USA, Europe, Middle East, and Asia.
Q4. What is the maximum bolt size you manufacture?
We manufacture up to M100 diameter and 1-meter length.
Q5. Which industries commonly use stainless steel fasteners?
Industries include marine, chemical, petrochemical, construction, and power generation.