Why Customers Source Inconel 625 Screws From Ganpat Industrial?
8–10% Molybdenum Matrix
Niobium-stabilized heats give strength without post-weld heat treatment
Every Drive & Head Style
Socket • Hex • CSK • Set • Shoulder – one PO, one heat number
Cryogenic To 980°C Duty
Stable at subsea temperatures and at furnace & exhaust heat alike
PMI-Checked, No Mix-Ups
Positive Material Identification on every incoming heat before machining
MTC 3.1 In 24 Hours
Factory-direct quoting with mill certificate copy on request
Inconel 625 Screw Facet
- 1Head Styles: Socket Head Cap, Hex Head, Counter Sunk, Socket Set, Shoulder, Square Head
- 2Size Range: M3 to M64 • #4 to 2.5″ • custom on drawing
- 3Common Grades: UNS N06625, Werkstoff Nr. 2.4856, ASTM B446
- 4Standards: ASTM B446, ASME SB446, ASME B18.3, DIN 912, DIN 933, DIN 916, ISO 4762
- 5Thread Series: UNC, UNF and ISO Metric Coarse/Fine
- 6Finish: Bright Annealed, Passivated, Black Oxide, Natural Mill Finish
Or call our Mumbai office: +91 22 6743 7134 • Ready-stock sizes dispatch same week
Ganpat Industrial is an established Inconel 625 Screw Supplier in India. We manufacture UNS N06625 Socket Set Screw with precision machining and strict quality control. These screws deliver excellent performance without requiring hardening heat treatment. We supply tested, documented stock for demanding industrial applications worldwide. Our ASTM B446 Inconel Screw serve marine, offshore, chemical, and aerospace-related industries.
Mumbai · Inconel 625 Screw Supplier In India
High-Performance Screws For Demanding Industrial Applications.
Ganpat Industrial forges Inconel WERKSTOFF NR. 2.4856 Screw for subsea, chemical, exhaust and coastal applications across India and the Middle East.
- ✓ASTM B446 Compliant
- ✓PMI Tested
- ✓Heat Traceability
- ✓Petrofac Approved
Highly Durable UNS N06625 Socket Set Screw Manufacturer in India With Excellent Fatigue Strength
Inconel 625 Screw Specification
Get Inconel 625 Screw Supplier In India offering reliable specifications on every enquiry.
UNS N06625 Socket Set Screw Material
- UNS N06625
- Werkstoff Nr. 2.4856
- ASTM B446 / ASME SB446
- AMS 5666
625 Inconel Alloy Shoulder Screw Size Range
- M3 – M64
- #4 – 2.5″ (UNC/UNF)
- Length: 6 mm – 300 mm
- Custom sizes on drawing
ASTM B446 Inconel Screw Testing
- PMI Testing
- Hardness Check
- Dimensional & Thread Gauging
- Third-Party Inspection
Inconel 625 Blind Rivet Screws Finish
- Bright Annealed
- Passivated
- Black Oxide
- Natural Mill Finish
DIN 2.4856 Screws Documentation
- Mill Test Certificate 3.1
- NABL Lab Report
- Packing List
- Certificate Of Origin
Inconel 625 CSK Screw Origin
- Indian Origin
- European Origin
- Japanese Origin
- Heat-Number Traceable
Features of B446 Alloy 625 Machine Screw
Excellent Fatigue Strength
Resists Pitting & Crevice Corrosion
No Age-Hardening Treatment Needed
Cryogenic To 980°C Service Range
Chloride Stress-Corrosion Cracking Resistant
Non-Magnetic Construction
Weldable Without Post-Weld Cracking
Stable Under Cyclic Heating & Cooling
Size Chart of 625 Alloy Socket Head Cap Screws
| Nominal Size | Pitch (Coarse) mm | Head Dia. dk mm | Head Height k mm | Hex Socket s mm |
|---|---|---|---|---|
| M3 | 0.50 | 5.5 | 3.0 | 2.5 |
| M4 | 0.70 | 7.0 | 4.0 | 3.0 |
| M5 | 0.80 | 8.5 | 5.0 | 4.0 |
| M6 | 1.00 | 10.0 | 6.0 | 5.0 |
| M8 | 1.25 | 13.0 | 8.0 | 6.0 |
| M10 | 1.50 | 16.0 | 10.0 | 8.0 |
| M12 | 1.75 | 18.0 | 12.0 | 10.0 |
| M16 | 2.00 | 24.0 | 16.0 | 14.0 |
| M20 | 2.50 | 30.0 | 20.0 | 17.0 |
| M24 | 3.00 | 36.0 | 24.0 | 19.0 |
| M30 | 3.50 | 45.0 | 30.0 | 22.0 |
| M36 | 4.00 | 54.0 | 36.0 | 27.0 |
Manufacturing Process of Inconel 625 Blind Rivet Screws
Raw Material & MTC Check
Incoming UNS N06625 bar verified against Mill Test Certificate 3.1
Bar Turning & Facing
CNC lathe turns shank to diameter and squares the blank
Head Forming & Drive Machining
Socket, hex or CSK head profile machined to tolerance
Thread Rolling / Cutting
UNC, UNF or metric thread cut or rolled to class 2A tolerance
Passivation
Acid-passivated to restore the protective chromium oxide film
Inspection & Packing
PMI, thread gauging & dimensional check, then export-ready packing
Need Mill-Certified Inconel 625 Counter Sunk Screw In A Specific Head Style?Share drawing & quantity – get factory price with MTC 3.1 in 24 hours.
Different Types of Inconel 625 Screw
Check Inconel 625 Screw Manufacturer in India providing assorted types with excellent quality.

Inconel 625 Counter Sunk Screw
DIN 7991

Inconel 625 Anchor Screw
Custom Drawing

ASTM B446 625 Inconel Hex Head Screws
ISO 4017

625 Inconel Alloy Shoulder Screw
ASME B18.3

UNS N06625 Socket Set Screw
DIN 916

625 Alloy Threaded Screw
Fully Threaded

Inconel 625 Square Head Screw
DIN 479

Inconel 625 Blind Rivet Screws
Self-Clinching
Chemical Composition of ASTM B446 Inconel Screw
NickelNi
58.00% min (Balance)
ChromiumCr
20.00–23.00%
MolybdenumMo
8.00–10.00%
Niobium + TantalumNb+Ta
3.15–4.15%
IronFe
≤ 5.00%
CarbonC
≤ 0.10%
Mechanical Properties of Inconel Alloy 625 Screws
Tensile Strength
830 MPa Min
ASTM B446 Grade 1, Up To 102 mm
Yield Strength
415 MPa Min
0.2% Proof Stress
Hardness
≤ 240 HB
Typical, Annealed Condition
Elongation
30% Min
In 50 mm Gauge
Inconel Alloy 625 Concrete Screw Material Equivalent
American Standard
- UNS N06625
- ASTM B446 / ASME SB446
- ASME B18.3 (Socket Screws)
European Standard
- Werkstoff Nr. 2.4856
- DIN 17752 / DIN 912 / DIN 933
- EN NW6625 / ISO NW6625
Japanese Standard
- JIS NCF625
- JIS B 1176 (Socket Screws)
- JIS B 1051 (Mechanical Properties)
Monthly Delivery of Inconel 625 Square Head Screw To Below Countries
| Export to | Continent | Port | Shipping Time |
|---|---|---|---|
|
Malaysia |
Asia | Port of Singapore | 15-50 Days |
|
Brazil |
South America | Port of Itaqui | 25-39 Days |
|
Singapore |
Asia | Port Klang | 7-14 Days |
Buying Inconel 625 Screws For A Subsea Or Exhaust-Duty Project?Send your BOQ – factory price, MTC 3.1, dispatch same week.
Export Packaging of DIN 2.4856 Screws
Poly Bag & Carton
Standard retail-ready packing for trial orders
Wooden Pallet Box
For container-load bulk shipments
VCI Moisture Barrier Pack
Prevents surface staining on long sea-transit
Heat-Number Labelling
Custom labelling per buyer traceability requirement
Weight Chart of Inconel 625 Anchor Screw
| Size | Approx. Weight (g/pc) |
|---|---|
| M4 | 1.2 |
| M5 | 2.4 |
| M6 | 4.2 |
| M8 | 9.9 |
| M10 | 19.4 |
| M12 | 33.5 |
| M16 | 79.5 |
| M20 | 155.3 |
| M24 | 268.4 |
| M27 | 382.1 |
| M30 | 524.0 |
| M33 | 698.0 |
| M36 | 905.7 |
Inconel 625 Screw HSN Code
HSN Code
7508.90.10
Screws, Bolts & Nuts, Other Articles Of Nickel
GST Rate
18%
Applicable On Domestic Sale
Basic Customs Duty
≈ 7.5%
Indicative – verify current tariff on import
Export Benefit
RoDTEP Eligible
Duty drawback available on export orders
Thread Types For ASTM B446 625 Inconel Hex Head Screws
UNC (Unified Coarse)
- Per ASME B1.1
- General-purpose assembly
- Faster engagement, easier field fitting
UNF (Unified Fine)
- Per ASME B1.1
- Higher tensile stress area per size
- Preferred for vibration-prone joints
ISO Metric Coarse & Fine
- Per ISO 261 / ISO 262
- M3 – M64 coarse pitch series
- Fine pitch for precision instrumentation
Welding Methods For Inconel 625 Panel Screw
GTAW (TIG)
Preferred for thin sections and precision fastener build-up welds
Common
GMAW (MIG)
Used for thicker weld-overlay and joint work
Common
SMAW
Site repair and field welding with matching filler
Field Use
Resistance Welding
Used for panel-screw and clip-fastener attachment
Assembly
Need Inconel 625 Screws With Third-Party Inspection?We coordinate PMI, hardness & dimensional sign-off before dispatch.
Get DIN 2.4856 Machine Screws in UNC, UNF & Metric Threads For Marine & Offshore Engineering
Applications of 625 Alloy Threaded Screw
Marine & Shipbuilding
Offshore Oil & Gas / Subsea
Chemical & Petrochemical Plants
Power Station Scrubber Systems
Exhaust & Combustion Ducting
Desalination Plants
Nuclear Water Reactor Components
Aerospace-Adjacent Fixtures & Fuel Systems
Testing Methods For UNS N06625 Screw
PMI Testing
Positive Material Identification on every heat
Hardness Test
Brinell / Rockwell check against ASTM limits
Thread & Dimensional Gauging
Go/No-Go thread gauge plus OD, length & head check per lot
Inconel 625 Socket Cap Screw Delivered Weekly To The Following Countries
| Export to | Continent | Port | Shipping Time |
|---|---|---|---|
|
UAE |
Asia | Jebel Ali Port | 20-25 Days |
|
USA |
North America | Port of Los Angeles | 33-47 Days |
|
Germany |
Europe | Port of Hamburg | 12 Days |
Frequently Asked Questions
What is the 625 Inconel Screw Price?
Price depends on size, grade, finish and quantity.
What Inconel WERKSTOFF NR. 2.4856 Screw Size range do you supply?
We supply M3 to M64 and custom sizes on request.
Can B446 Alloy 625 Machine Screw be used without post-weld heat treatment?
Yes, post-weld heat treatment is generally not required.
Material Inspection Facility in Following Locations
| Texas (USA) | California (USA) |
|---|---|
| Riyadh (Saudi Arabia) | Houston (USA) |
| Dammam (Saudi Arabia) | Abu Dhabi (UAE) |
| Al Jubail (Saudi Arabia) | Dubai (UAE) |
| Al Khobar (Saudi Arabia) | Indiana (USA) |

