M10 to M100
Wide Metric Range In Stock
C51900, C52100 & C54400
Multi-Grade Bronze Alloys
Non-Sparking
Safe For Hazardous Areas
NACE, PED & ISO
Certified Manufacturer
Fast Dispatch
Ready Stock & Export Packing
ASTM & DIN
Standards Compliant Bolting
Non-Magnetic
Ideal For Electrical Parts
Direct Factory Price
No Middleman Markup
Phosphor Bronze Fasteners Snapshot
Metric Range
M10 to M100
Custom Sizes
Up to M160
Length
2mm to 300mm
Standard
ASME B18.2.1 & DIN Standards
US Standard
ASTM B103 / B139
Grades
C51000, C51900, C52100, C54400
MTC
EN 10204/3.1B
Environment
Salt Water & Mild Acids
Thread Pitch
Fine & Coarse Thread
Finish
Plain, Galvanized, DACROMET
Head Type
Hex, Pan, Button, Socket Cap
Melting Point
950°C
Table of Content
- Phosphor Bronze Fasteners Specification
- UNS C51000 Hexagon Nut Size Chart
- Types of Phosphor Bronze Fasteners
- C510 Bronze Hex Bolt Fasteners Applications
- Phosphor Bronze vs Silicon Bronze Difference
- Alloy 510 U Bolt Torque Chart
- Phosphor Bronze Fasteners Price List
- 510 Phosphor Bronze Lock Nut Chemical Composition
- Phosphor Bronze Mechanical Properties
- UNS C52100 Hex Nut Physical Properties
- Phosphor Bronze Nut Weight Chart
- Alloy 510 U Bolt Equivalent Grades
- Alloy 510 Square Bolt DIN & ISO Designations
- Corrosion & Non-Magnetic Properties Of ASTM B139 Phosphor Bronze
- Electrical Conductivity Uses Of CW459K Phosphor Bronze
- Manufacturing Process DIN Of Phosphor Bronze Fasteners
ISO Certified UNS C51900 Bolt and Nut Manufacturer in India
Vision Alloys supplies premium Phosphor Bronze Fasteners worldwide for industrial use. These fasteners offer strong corrosion resistance and electrical conductivity. Sizes range from M3 to M64 diameters available. Common types include bolts, nuts, screws, and washers. They suit marine, electrical, and shipbuilding applications well. Tensile strength typically ranges between 415 and 620 MPa. We ensure quick delivery for bulk industrial orders. Ready stock and consistent bulk fulfillment support regular export orders to the USA, Canada, UK, Spain, Poland, Nigeria, Netherlands, and Mexico, each shipment backed by full mill test certification. Singapore, Germany, Italy, Ireland, Denmark, Brazil, and Australia receive frequent shipments through the same certified supply chain. In the Middle East, we maintain dedicated logistics support for UAE, Saudi Arabia, Qatar, and Turkey, with reliable stock reaching Doha, Riyadh, Dammam, Abu Dhabi, Al Jubail, and Al Khobar
- M10 – M100
- M2 – M20
- 2mm to 300mm
- Fine
- Coarse
- Cold Forging
- Hot Forging
- CNC Machined
- A
- B
- C
- D
- E
- G
- 950°C
- ASTM B103 / B139
- C51000, C51900, C52100, C54400
- Plain, Electric Galvanized
- Oxidation, DACROMET
- Phosphating, Zinc Impregnation
- CNC Lathe
- Thread Rolling
- Making Machines
- 100% Tested with MTC EN 10204 3.1/3.2
- UTS
- UNR
- UN8
- BSW
- UNF
- UNC
- UNM
- BSF
- ACME
- Head Painting
- Bagging
- Thread Locking
- Hex Head
- Pan Head
- Button Head
- Socket Cap Head
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Buy Phosphor Bronze Bolts, Nuts & Studs at Low Cost Worldwide
Supplier of Phosphor Bronze Hex Bolts in Size M10 to M100 With EN 10204/3.1B MTC
| Bolt Diameter | Dia (inch) | Dia (mm) | Nut Across Flats |
|---|---|---|---|
| M10 | 0.3937 | 10 | 17 |
| M12 | 0.4724 | 12 | 19 |
| M16 | 0.6299 | 16 | 24 |
| M20 | 0.7874 | 20 | 30 |
| M24 | 0.9449 | 24 | 36 |
| M30 | 1.1811 | 30 | 46 |
| M36 | 1.4173 | 36 | 55 |
| M48 | 1.8898 | 48 | 75 |
| M56 | 2.2047 | 56 | 85 |
| M64 | 2.5197 | 64 | 95 |
| M80 | 3.1496 | 80 | 115 |
| M100 | 3.937 | 100 | 145 |
Dealer and Distributor of Alloy 510 Phosphor Bronze U Bolts as Per ANSI B28.2.4 1M Standards at Lowest Price in Mumbai
Phosphor Bronze Hex Bolts
- Hex head, coarse or fine thread
- DIN 933 and DIN 931 sizing
UNS C54400 Hex Bolts
- High fatigue-resistant PB104 grade
- Used for stressed joints
510 Phosphor Bronze Hex Nuts
- Hex, jam and lock nut styles
- Class 2A medium fit standard
Phosphor Bronze Stud Bolts
- Double end and continuous thread
- Custom length up to 300mm
UNS C51900 Threaded Rod
- Full length coarse threading
- Cut to size on request
Phos Bronze U Bolts
- ANSI B28.2.4 1M compliant
- Pipe clamp and mounting use
Alloy 510 Eye Bolts
- Lifting and rigging use
- Non-sparking, non-magnetic build
UNS C51000 Carriage Bolts
- Square neck, round head design
- Timber and marine hardware use
Buyer’s Perspective
“Which phosphor bronze grade suits electrical parts?”
- C51000 offers the best conductivity
- Non-magnetic, safe near sensitive equipment
- C52100 suits higher load contacts
- Share load and current data first
Marine & Offshore
Electrical Components
Chemical Processing
Hardware & Construction
Aerospace & Automotive
Industrial Machinery
Copper-Tin-Phosphorus
Bearings & Bushings
Marine Fittings
Copper-Silicon Alloy
Welded Assemblies
Boat Fittings
PED Approved Phosphor Bronze Fasteners supplier in india
“How tight should phosphor bronze bolts be torqued?”
- Follow the dry torque chart values
- Reduce torque 20-25% if lubricated
- Avoid over-tightening soft bronze threads
- Confirm torque for your exact size
| Nominal Diameter (in) | Threads Per Inch | Torque Dry (ft-lb) | Torque Lubricated (ft-lb) |
|---|---|---|---|
| 1/4″ | 20 | 6.5 | 4.8 |
| 5/16″ | 18 | 13.2 | 10.0 |
| 3/8″ | 16 | 23.5 | 17.7 |
| 7/16″ | 16 | 37.6 | 28.2 |
| 1/2″ | 13 | 57.4 | 43.0 |
| 9/16″ | 12 | 82.7 | 62.1 |
| 5/8″ | 11 | 114.2 | 85.7 |
| 3/4″ | 10 | 203 | 152 |
| 7/8″ | 9 | 326 | 245 |
| 1″ | 8 | 490 | 368 |
| 1-1/4″ | 7 | 853 | 639 |
| 1-1/2″ | 6 | 1484 | 1113 |
$
Price List
Phosphor Bronze Fasteners Price Per Kg
Prices vary by size, grade and finish. Bulk orders receive direct factory pricing. Contact our team for a current quotation.
“Do bronze fasteners cost more than stainless steel?”
- Bronze usually costs more per kg
- Longer service life offsets upfront cost
- Best for marine and electrical duty
- Ask for a side-by-side quote
Exporter of UNS C52100 Stud Bolts in UNC, NPTF and UNF Threads, View Phosphor Bronze Temperature Range and Chemical Composition
Phosphor Bronze
Grade 510
Pb 3.00-4.00%
Sn 3.50-4.50%
Fe 0.10% max
Zn 1.50-4.50%
P 0.01-0.50%
CE Approved Phosphor Bronze Fasteners manufacturer in india
Refer UNS C54400 Threaded Rod Physical Properties and Phos Bronze Screws Weight Chart
| Stud Size | Weight (kg per 100 pcs) |
|---|---|
| M1 | 0.03 |
| M1.2 | 0.054 |
| M2.5 | 0.28 |
| M3.5 | 0.514 |
| M4 | 0.81 |
| M7 | 3.12 |
| M12 | 17.3 |
| M16 | 33.3 |
| M20 | 64.4 |
| M24 | 110 |
| M30 | 223 |
| M36 | 393 |
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Get a Quote From Phosphor Bronze Fasteners Stockist in India
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DIN 933
DIN 931
DIN 934
DIN 985
DIN 125A
DIN 127B
DIN 912
DIN 916
Key Properties
Corrosion & Non-Magnetic Behaviour At A Glance
ISO Certified Phosphor Bronze Fasteners stockist in India
“Will phosphor bronze bolts rust in seawater?”
- No, bronze does not rust like steel
- Surface may develop a green patina
- Patina does not weaken the fastener
- Rinsing reduces long-term patina buildup
Grounding Hardware
Switchgear Fasteners
Terminal Connectors
Panel Board Hardware
Bar Stock Intake
Forging (Cold / Hot)
Thread Rolling
CNC Finishing
Hardness & Composition Test
PMI Verification
Phosphating / Oxidation / Plain Finish
Sustainability & Recyclability
Closed-Loop Recycling
Scrap, turnings & rejects
100%
100%
Reduced Virgin Input
Furnace-ready scrap stream
Up to 90%
~85%
Extended Service Life
Marine & offshore duty
25+ Years
~60% Lower
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Global Supply Locations
Global Reach
Where We Supply Phosphor Bronze Fasteners
Countries & Cities Served Worldwide
North & South America
Europe
Middle East
📍 Doha
📍 Dammam
📍 Riyadh
📍 Abu Dhabi
📍 Al Jubail
📍 Al Khobar
Africa
Asia Pacific
Phosphor Bronze Fasteners Client Reference
Project Reference
Phosphor Bronze Fasteners Client Reference
Germany
Electrical Panel Hardware
Brazil
Chemical Plant Bolting
Singapore
Shipyard Fitting Project
United Arab Emirates
Marine Jetty Fastening
Australia
Offshore Platform Bolting
Saudi Arabia
Switchgear Panel Assembly
Phosphor Bronze Fasteners HS Code
Customs Classification Facts
HS Chapter: 74 — Copper & Copper Articles
Heading: 7415 — Threaded Copper Fasteners
Classed With: Brass & Bronze, Not Steel/Titanium
Confirm Exact 8-Digit Code With Your Broker
Vision Alloys Customer Reviews
3.8 out of 5 · 4 Reviews
priti kumari
★★★★★ · 8 years ago
“Quality product and fast delivery. Contacted sales team and received great price and fantastic service for 304 stainless steel fasteners.”
rajesh kumar
8 years ago
“Trusted and Comprehensive Indian Steel Distributor, Supplier, Stockist, Manufacturer and Trader.”
maharaj singh
8 years ago
“India’s top most steel Distributor stockist and supplier”
Is phosphor bronze magnetic?
- No, it is fully non-magnetic
- Safe near compasses and sensors
What sizes do you stock?
- M10 to M100 in ready stock
- Custom sizes up to M160
Can phosphor bronze bolts be reused?
- Yes, if threads show no damage
- Inspect for wear before reuse
Do you provide a mill test certificate?
- Yes, EN 10204/3.1B as standard
- 3.2 certificates available on request
Which phosphor bronze grade should I choose?
- C51000 offers the best electrical conductivity for electrical parts
- C52100 suits higher-load, higher-strength applications such as bolts and structural fasteners
- Vision Alloys is A Manufacturer of Steel Fasteners Company in India
- Dealers and Distributors of Bolting Products in USA, Europe, New Zealand, Algeria, United Kingdom, Morocco, South Africa and Australia, Egypt, Peru, chile, Jordan, Argentina
- Manufacturer and Supplier of Stainless Steel, Nickel Alloy, Titanium, Copper Materials in Mumbai.
- Stockist and Trader of Top Quality High Temperature Alloys for Oil and Gas Industry and Standard & Custom Sizes in EX Stock