Why Global Buyers Choose Vision Alloys for A4-80 Bolts

M3 to M36

A4-80 Metric Size Range

SS 316

A4-80 Base Material

25+ Countries

Trusted Global Exporter

NACE & PED

Certified for Oil & Gas Use

Ready Stock

Fast Export Dispatch

Xylan, PTFE & Teflon

Special Coating Options

ISO 3506-1 & DIN 931

Standards Compliant Bolting

Direct Factory Price

No Middleman Markup

A4-80 Bolts specification

A4-80 Bolts Overview


Metric Range
M3 to M36

Imperial Range
1/8″ to 1.1/2″

Length
10mm to 200mm

Standard
ISO 3506-1, DIN 931/933

US Equivalent
ASTM F593 / F594

Raw Material
Europe, India, S. Africa

MTC
EN 10204/3.1B

Environment
Salt Water & Mild Acids

Thread Type
Full Thread & Half Thread

Coating
Xylan, PTFE, Teflon, Plain

Head Type
Hex, Countersunk, Socket

Service Temp.
-200°C to 400°C
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NACE Certified A4-80 Stainless Steel Hex Bolts Manufacturer in India As Per DIN 931 Standard

Vision Alloys exports A4-80 bolts to more than 25 countries, with strong demand from the USA, Canada, UK, Spain, Germany, Italy, Ireland and Denmark, alongside growing markets in South Africa, Poland, Nigeria, Netherlands, Mexico, Singapore, Brazil and Australia. In the Middle East, we ship directly to UAE, Saudi Arabia, Qatar and Turkey, with dedicated delivery lanes to Doha, Dammam, Riyadh, Abu Dhabi, Al Jubail and Al Khobar. Established in 2015, we ship every order on a committed schedule with complete export documentation, which is why customers across these regions trust us for consistent A4-80 bolts supply

A4-80 Bolts Specification

A4-80 Bolts Size
A4-80 Bolts Size
  • M3 to M36
A4-80 Bolt Size Manufactured
Sizes Can Be Manufactured
  • Up to 1.1/2″

 

SS 316 A4-80 Bolt Length
A4-80 Stainless Steel Bolt Length
  • 6 mm to 200 mm
A4-80 Stud Bolt Thread Pitch
ISO 3506-1 A4-80 Stud Bolt Thread Pitch
  • Fine
  • Coarse
A4-80 Screw Manufacturing Methods
SS A4-80 Screw Manufacturing Methods
  • Cold Forging
  • CNC Machined
  • Hot Forging
A4-80 Bolt Tolerance
DIN 931 A4-80 SS Bolt Tolerance
  • +/-0.01mm to +/-0.05mm

 

A4-80 Bolt Melting Point
Stainless Steel A4-80 Nut Melting Point
  • 1400°C
A4-80 Fasteners Standards
A4-80 Fasteners Standards
  • ISO 3506-1, ISO 3506-2
  • ISO 10642
  • DIN 931, DIN 933, DIN 934
  • ASTM F593, ASTM F594
A4-80 Bolt MOQ
ISO 10642 A4-80 Bolt MOQ
  • 5 Pieces

 

A4-80 Bolt Surface Finish
SS 316 A4-80 Fasteners Surface Finish
  • Plain, Passivated
  • Xylan, PTFE, Teflon Coated
A4-80 SS Nuts Machines
A4-80 SS Nuts Machines
  • CNC Lathe
  • Thread Rolling
  • Nut Forming Machines
A4-80 Bolt Testing
ISO 10642 A4-80 Threaded Rod Testing
  • 100% Tested with MTC EN 10204 3.1/3.2

 

A4-80 Bolt Thread Types
A4-80 Bolt Thread Types
  • UNC
  • UNF
  • Metric Coarse
  • Metric Fine

 

A4-80 Fastener Types
SS A4-80 Fastener Types
  • A4-80 Hex Bolt
  • A4-80 Stud Bolt
  • A4-80 SS Nuts
  • ISO 10642 A4-80 Threaded Rod
  • A4-80 Washer

 

A4-80 Bolt Value Added Services
A4-80 Stainless Steel Hex Bolts Value Added Services
  • Head Marking
  • Thread Locking
  • Custom Bagging
A4-80 Bolt Head Types
SS A4-80 Bolt Head Types
  • Hex
  • Countersunk
  • Socket Cap
  • Button

 

A4-80 SS Nuts ISO Standards
A4-80 SS Nuts ISO Standards
  • ISO 4032
  • ISO 4033
  • ISO 4017
  • ISO 10642
A4-80 Bolt Thread Class
SS 316 A4-80 Stud Bolt Thread Class
  • 6g (external)
  • 6H (internal)
  • Custom class on request

 

 

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Supplier of ISO 3506-1 A4-80 Stud Bolts and Nuts With Various Threads at Low Cost in USA and UK

We supply A4-80 stud bolts and matching nuts in UNC, UNF, and metric thread types, machined to ISO 3506-1 tolerances and dispatched with full mill test certification for buyers in the USA and UK

ISO 3506-1 A4-80 Stud Bolts Thread Types

A4-80 Bolts supplier in India offers M3 to M36 sizes




UNC
Coarse Thread



UNF
Fine Thread



Metric Coarse
M3 to M36



Metric Fine
M8 to M36



BSW
1/4″ to 1.1/2″



BSF
1/4″ to 1.1/2″



ACME
Trapezoidal Thread



UNR
Rounded Root Thread

 

Price List of A4-80 Stainless Steel Bolts


$
Price List
A4-80 Bolts Manufacturer, Buy SS A4-80 Bolt at Lowest Export Price


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Wide Stock of Stainless Steel A4-80 Anchor Bolt and Screws in Various Sizes With Third Party Inspection Reports

Our warehouse in Mumbai holds ready stock of A4-80 anchor bolts and screws across all standard sizes, with third-party inspection reports available on request for every export shipment

A4-80 SS Nuts and Bolt Size Chart

NACE Certified A4-80 Bolts manufacturer in India, offers various sizes with third party inspection to USA, Europe, Saudi Arabia and UK

A4-80 Bolt Size M6 M8 M10 M12 M16 M20 M24 M30 M36
Thread Pitch (Coarse) 1.0 1.25 1.5 1.75 2.0 2.5 3.0 3.5 4.0
A4-80 Hex Bolt Width Across Flats 10mm 13mm 16mm 18mm 24mm 30mm 36mm 46mm 55mm
A4-80 Bolt Head Height 4mm 5.5mm 6.4mm 7.5mm 10mm 12.5mm 15mm 18.7mm 22.5mm
A4-80 SS Nuts Width Across Flats 10mm 13mm 17mm 19mm 24mm 30mm 36mm 46mm 55mm

 

ISO 10642 A4-80 Threaded Rod Size M6 M10 M12 M16 M20 M24
Standard Rod Length 1000mm 1000mm 1000mm 1000mm 1000mm 1000mm
SS 316 A4-80 Screw Length 10-80mm 15-100mm 20-120mm 25-150mm 30-180mm 35-200mm

 

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Get A4-80 SS Nuts and Threaded Rod at factory price, fast delivery to Europe and the Middle East


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Types of A4-80 Stainless Steel Fasteners

A4-80 Bolts Supplier in India, Get SS A4-80 Hex Bolt in UNC, UNF, Metric Threads at Low Cost

A4-80 Hex Bolt

A4-80 Hex Bolt

  • Standard six-sided head
  • ISO 3506-1 dimensions
  • High-load fastening use
SS A4-80 Stud Bolt

SS A4-80 Stud Bolt

  • Headless, double-end thread
  • Used with A4-80 SS Nuts
  • Flange & pressure joints
A4-80 SS Nuts

A4-80 SS Nuts

  • ISO 4032 hex nut form
  • High-torque clamping load
  • Marine & offshore joints
ISO 10642 A4-80 Threaded Rod

ISO 10642 A4-80 Threaded Rod

  • Continuous full-length thread
  • Cut to custom length
  • Anchoring & hanging systems
Stainless Steel A4-80 Washer

Stainless Steel A4-80 Washer

  • Flat, spring & lock forms
  • Even load distribution
  • Prevents surface damage
SS 316 A4-80 Screw

SS 316 A4-80 Screw

  • Machine & self-tapping types
  • Fine and coarse thread
  • General industrial fastening
Stainless Steel A4-80 Anchor Bolt

Stainless Steel A4-80 Anchor Bolt

  • Wedge & sleeve type options
  • Concrete & base-plate fixing
  • Structural steel foundations
A4-80 Socket Head Cap Screws

A4-80 Socket Head Cap Screws

  • Internal hex drive head
  • Compact, high-torque fastening
  • Machinery & equipment assembly
DIN 931 A4-80 Set Screws

DIN 931 A4-80 Set Screws

  • Headless, fully threaded body
  • Locks parts against rotation
  • Shaft & collar fixing
Refer to the SS 316 A4-80 Fasteners Torque Chart and Material Properties

Use the torque values below as a starting reference for SS 316 A4-80 fasteners, actual tightening torque should always be confirmed against your project’s engineering drawing or bolting specification.

A4-80 Bolt Torque Chart

Approximate dry torque values for A4-80 Stainless Steel Bolt tightening, confirm exact torque with your engineering drawing before installation.

A4-80 Bolt Size M6 M8 M10 M12 M16 M20 M24
A4-80 Bolt Torque (Nm) Approx. 9.9 24 48 83 205 400 690

 

ISO 3506-1 A4-80 Bolts Chemical Composition

Chemical Composition
A4-80
ISO 3506-1
Higher Cold Work
Mn2.00
C0.08
Si1.00
P0.045
Cr16.0-18.5
S0.030
Ni10.0-15.0
Mo2.00-3.00

A4-80 Bolt Manufacturer in India Offering Corrosion Resistance Bolts at Low Cost

DIN 931 A4-80 Equivalent Grades

PED Approved A4-80 Bolts meet strict pressure equipment directive standards

Grade Equivalents
A4-80 Bolt
5 standards
🇺🇸 UNSS31600 / S31603
🇩🇪 WNR1.4401 / 1.4404
🇺🇸 ASTMF593 Alloy Group 2
🇯🇵 JISSUS 316
🌐 ISOISO 3506-1 A4-80

Equivalent Grade Chart for Global Buyers Sourcing A4-80 Bolts

Buy ISO 10642 A4-80 Threaded Rod For Offshore, Oil and Gas Industries With Fastest Delivery

Our ISO 10642 A4-80 threaded rod is cut and packed to order for offshore, oil and gas projects, with priority dispatch schedules to keep site installation timelines on track

A4-80 Threaded Rod Applications

A4-80 Bolts stockist in India maintains ready stock for fast dispatch

Applications

Marine & Shipbuilding

Offshore Oil & Gas

Chemical Processing

Desalination Plants

Structural Steelwork

Pharmaceutical Equipment

Power Generation

Food & Beverage Plants

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Custom Sizes and NACE Certified A4-80 Fasteners Available on Bulk Orders


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Global Reach

Countries We Export A4-80 Bolts

ISO Certified A4-80 Bolts follow ISO 3506-1 manufacturing standards strictly

25+
Countries & Cities Served Worldwide

Europe

🇬🇧 UK
🇪🇸 Spain
🇵🇱 Poland
🇳🇱 Netherlands
🇩🇪 Germany
🇮🇹 Italy
🇮🇪 Ireland
🇩🇰 Denmark

North & South America

🇺🇸 USA
🇨🇦 Canada
🇲🇽 Mexico
🇧🇷 Brazil

Middle East

🇦🇪 UAE
🇸🇦 Saudi Arabia
🇶🇦 Qatar
🇹🇷 Turkey
📍 Doha
📍 Dammam
📍 Riyadh
📍 Abu Dhabi
📍 Al Jubail
📍 Al Khobar

Africa

🇿🇦 South Africa
🇳🇬 Nigeria

Asia Pacific

🇸🇬 Singapore
🇦🇺 Australia

ISO 10642 A4-80 Threaded Rod Dimensions

A4-80 Bolts manufacturer in India delivers 800 MPa tensile strength grade

Nominal Dia M6 M8 M10 M12 M16 M20 M24
Head Height Max 4.00 5.50 6.40 7.50 10.00 12.50 15.00
Width Across Flats 10.00 13.00 16.00 18.00 24.00 30.00 36.00
Width Across Corners Min 11.05 14.38 17.77 20.03 26.75 33.53 39.98
Fillet Radius Min 0.25 0.40 0.40 0.60 0.60 0.80 0.80

 

A4-80 Bolts Mechanical Properties

Vision Alloys is an A4-80 Bolts Supplier and Stockist in India, ISO Certified for Bolting Manufacture

Mechanical Properties
A4-80
ISO 3506-1
Proof Stress 600 MPa
Tensile 800 MPa
Elong. min 0.3d
HRB 95 approx.
HB 230 max

PED Approved A4-80 Bolts Supplier, Offering High Strength for Offshore & Structural Applications. Values shown are typical per ISO 3506-1 for d ≤ 24mm — confirm against the full standard for critical engineering use.

SS 316 A4-80 Screw Shipping Time

Vision Alloys is an A4-80 Bolts manufacturer in India, offers A4-80 SS Bolts at low cost from Mumbai

Country Name Singapore Qatar Oman UAE South Africa Egypt Saudi Arabia Malaysia Turkey Thailand
Shipping time 8-10 Days 8-10 Days 7-8 Days 5 Days 25-30 Days 11-13 Days 8-10 Days 8-10 Days 21 Days 7 Days

 

Project Reference

A4-80 Bolts Client Reference

🇦🇪

United Arab Emirates

Offshore Platform Bolting Upgrade

A4-80 Hex BoltISO 3506-1NACE Certified
🇸🇦

Saudi Arabia

Petrochemical Refinery Flange Joints

A4-80 Stud BoltPED ApprovedA4-80 SS Nuts
🇩🇪

Germany

Structural Steel Framework

ISO 10642 Threaded RodDIN 931A4-80 Washer
🇸🇬

Singapore

Marine Shipyard Fabrication

SS 316 A4-80 ScrewCorrosion ResistantA4-80 SS Bolts
🇦🇺

Australia

Desalination Plant Project

A4-80 BoltHigh Chloride Resist.A4-80 SS Nuts
🇧🇷

Brazil

Power Plant Piping Bolting

A4-80 Stud BoltASTM F593Anchor Bolt

A4-80 SS Nuts Weight Chart

Approximate weight of A4-80 Bolts in KGS per 100 pieces, length 40mm, actual weight varies with head style and length.

Approximate Weight In KGS For 100 NOS : A4-80 Hex Bolt (Length 40mm)
Size M6 M8 M10 M12 M16 M20 M24
Weight (Kg/100pcs) 0.7 1.6 3.1 5.4 13.2 25.6 44.0
Approximate Weight In KGS For 100 NOS : A4-80 SS Nuts
Size M6 M8 M10 M12 M16 M20 M24
Weight (Kg/100pcs) 0.3 0.65 1.2 2.0 4.6 8.9 15.3

 

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PED Approved A4-80 Fasteners Shipped to 25+ Countries Worldwide


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A4-80 SS Bolts Shear Strength Comparison

A4-80

Diameter: M6 – M36

Approx. Shear Strength
480 MPa
Min. Tensile Strength
800 MPa

A2-70

Diameter: M6 – M36

Approx. Shear Strength
420 MPa
Min. Tensile Strength
700 MPa

A4-70

Diameter: M6 – M36

Approx. Shear Strength
420 MPa
Min. Tensile Strength
700 MPa

 

Proof Load Capacity of A4-80 Bolts

Size M6 M8 M10 M12 M16 M20 M24
Stress Area (mm²) 20.1 36.6 58.0 84.3 157 245 353
A4-80 Proof Load (kN) 12.1 22.0 34.8 50.6 94.2 147.0 211.8

 

A4-80 Bolt Standard




ISO 3506-1
M3 to M36



ISO 3506-2
M3 to M36



ISO 10642
M3 to M36



DIN 931, 933
M6 to M36



DIN 934, 6923
M6 to M36



ASTM F593
1/4″ to 1.1/2″



ASTM F594
1/4″ to 1.1/2″



DIN 976-1
M6 to M36

 

A4-80 Bolt Big Size Chart

A4-80 Bolt manufacturer in India who provides custom big sizes with quick delivery

Thread Size M20 M24 M27 M30 M33 M36
Thread Pitch 2.5 3.0 3.0 3.5 3.5 4.0
A4-80 Bolt Width Across Flats 30mm 36mm 41mm 46mm 50mm 55mm
A4-80 Bolt Head Height 12.5mm 15.0mm 17.0mm 18.7mm 21.0mm 22.5mm

 

Find A4-80 Bolts Ready Stock in Following Locations

Estimated sea-freight transit time from Mumbai port : actual delivery may vary with vessel schedule and customs clearance

🇦🇪UAE4–6 Days
🇦🇺Australia14–18 Days
🇶🇦Qatar5–7 Days
🇸🇦Saudi Arabia6–9 Days
🇹🇷Turkey14–18 Days
🇮🇹Italy16–20 Days
🇩🇪Germany20–24 Days
🇩🇰Denmark22–26 Days
🇮🇪Ireland24–28 Days
🇧🇷Brazil28–32 Days
🇨🇦Canada28–32 Days
🇺🇸USA22–30 Days
🇪🇸Spain18–22 Days
🇬🇧UK22–26 Days
🇿🇦South Africa14–18 Days
🇳🇬Nigeria18–22 Days
🇵🇱Poland24–28 Days
🇲🇽Mexico30–34 Days
🇳🇱Netherlands20–24 Days
🇸🇬Singapore7–10 Days

FAQs

A4-80 Bolts

What does A4-80 mean on a bolt?
  • A4 = 316 grade stainless steel
  • 80 = 800 MPa min. tensile strength
What is the difference between A4-80 and A2-80 bolts?
  • A4 contains molybdenum
  • A2 has no molybdenum
  • A4 gives better corrosion resistance
Is A4-80 stronger than A4-70?
  • A4-80 = 800 MPa tensile
  • A4-70 = 700 MPa tensile
  • A4-80 is the stronger grade
What is the material equivalent of an A4-80 bolt?
  • Base material: SS 316 / 316L
  • Cold-worked to 800 MPa class
What sizes does Vision Alloys manufacture in A4-80?
  • Metric range: M3 to M36
  • In stock, ready dispatch
Is A4-80 the same as A4 316 stainless steel?
  • A4-80 is 316-grade material
  • Cold-worked to 800 MPa strength
Can A4-80 bolts be used in marine environments?
  • Yes, marine grade approved
  • Molybdenum resists saltwater corrosion
What is the maximum size available in A4-80 bolts?
  • Standard stock up to M36
  • Larger sizes on request
Do you provide a mill test certificate for A4-80 bolts?
  • Yes, EN 10204/3.1 MTC included
  • Supplied with every batch
Are A4-80 bolts NACE and PED certified?
  • NACE Certified for sour service
  • PED Approved for pressure equipment

  •  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
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