Why Buyers Pick Ganpat Industrial For Stainless Steel Screw?
Torque-Tested Every Batch
Each heat proof-loaded before dispatch, not just sample-checked
M2 To M100, One PO
Socket, hex, self tapping, wood & set screws in a single order
Genuine Austenitic Heats
UNS S30400 & S31600 – mill certified chemistry, no substitution
Zero Inspection Surprises
PMI • salt spray • dimensional – checked before it ships
Quote In 24 Hours
Ready stock on standard sizes – dispatch same week
Stainless Steel Screw Spotlight
- 1Type: Hex Head, Socket Head Cap, Self Tapping, Pan Head, Countersunk, Wood, Thumb, Set, Shoulder, Square Head, Blind Rivet
- 2Size Range: M2 to M100 • Length 3 mm to 300 mm
- 3Common Grades: UNS S30400, UNS S31600, AISI 304, AISI 316
- 4Standards: ASTM A193, ASME B18.2.1, ASME B18.3, DIN 912, DIN 7981, ISO 4762, ISO 7049
- 5Origin: Indian origin • Japanese origin • European origin
- 6Finish: Bright Annealed, Passivated, Polished, Black Oxide
Or call our Mumbai office: +91 22 6743 7134 • Fast dispatch on ready stock sizes
Ganpat Industrial manufactures Stainless Steel Screw for demanding industrial applications across global markets. These screws resist chlorides, wash-down cycles, and repeated thermal cycling. Manufacturing follows ASTM A193 chemistry for reliable material performance standards. SS Steel Shoulder Screw undergoes testing and torque verification before shipment. We supply fabricators, OEMs, and EPC buyers worldwide. Products are shipped across India, UAE and Middle Eastern markets.
Mumbai · Stainless Steel Screw Manufacturer In India
Precision Screws for Demanding Applications.
Ganpat Industrial forges ASTM A193 Stainless Steel Screw for demanding industrial applications across India, UAE, and the Middle East.
- ✓Quality Tested
- ✓Fast Delivery
- ✓Petrofac Approved
- ✓Global Supply
Torque Tested ASTM A193 SS Hex Head Screw Supplier in India Offering Size M2 to M100
Stainless Steel Screw Specification
Get Stainless Steel Screw Supplier in India, offering reliable specifications on every size.
Stainless Steel Blind Rivet Screws Material
- UNS S30400
- UNS S31600
- EN 1.4301 / 1.4401
- ASTM A193 Grade B8 / B8M
ASTM A193 Stainless Steel Screw Size Range
- Thread: M2 – M100
- Length: 3 – 300 mm
- Pitch: 0.4 – 6.0 mm
- Custom sizes on drawing
Stainless Steel Self Tapping Screw Testing
- PMI Testing
- Salt Spray 96 Hrs
- Torque & Dimensional Check
- Third-Party Inspection
SS Socket Head Cap Screws Finish
- Bright Annealed
- Passivated (ASTM A967)
- Polished
- Black Oxide
Stainless Steel Counter Sunk Screw Documentation
- Mill Test Certificate 3.1
- NABL Lab Report
- Packing List
- Certificate Of Origin
Austenitic Stainless Steel Screws Origin
- Indian Origin
- Japanese Origin
- European Origin
- Heat-Number Traceable
Size Chart of ASTM A193 Stainless Steel Hex Head Screws
Full size range on Stainless Steel Screws, from precision instrument screws to structural fasteners.
| Screw Size | Inch | Decimals | mm |
|---|---|---|---|
| 1 | 1/16″ | 0.0625″ | 1.58750 |
| 2 | 5/64″ | 0.078125″ | 1.98437 |
| 16 | 17/64″ | 0.265625″ | 6.74687 |
| 3 | 3/32″ | 0.09375″ | 2.38125 |
| 4 | 7/64″ | 0.109375″ | 2.77812 |
| 11 | 13/64″ | 0.203125″ | 5.15937 |
| 5 | 1/8″ | 0.125″ | 3.17500 |
| 6 | 9/64″ | 0.140625″ | 3.57187 |
| 13 | 15/64″ | 0.234375″ | 5.95312 |
| 9 | 11/64″ | 0.171875″ | 4.36562 |
| 10 | 3/16″ | 0.1875″ | 4.76250 |
| 8 | 5/32″ | 0.15625″ | 3.96875 |
| 12 | 7/32″ | 0.21875″ | 5.55625 |
| 14 | 1/4″ | 0.250″ | 6.35000 |
| 18 | 19/64″ | 0.296875″ | 7.54062 |
Head Drives of SS Socket Head Cap Screws
Hex Socket (Allen) Drive
- High torque transfer
- Used on socket head cap & set screws
- Per DIN 912 / ISO 4762
Phillips Cross Recess
- Self-centering bit
- Common on pan & wood screws
- Per ISO 7045
Slotted Drive
- Simple flat-blade drive
- Cheese & countersunk heads
- Per DIN 84 / ISO 1207
Torx (Six-Lobe) Drive
- Minimal cam-out
- Preferred for power tooling
- Higher torque repeatability
Pozidriv Drive
- Extra locating tabs vs Phillips
- Reduced bit slip
- Used on machine screws
Square (Robertson) Drive
- Self-holding on the bit
- Popular on wood screws
- Low cam-out risk
Manufacturing Process of Austenitic Stainless Steel Screws
Raw Wire & MTC Check
Incoming UNS S30400 / S31600 wire verified against Mill Test Certificate 3.1
Cold Heading
Wire formed into blank head & shank on multi-station header
Thread Rolling
Precision-rolled threads to tolerance on CNC thread roller
Drive Slotting & Point Forming
Head drive cut and self-tapping point formed as per drawing
Passivation (ASTM A967)
Acid-passivated to restore the chromium oxide film for corrosion resistance
Inspection & Packing
PMI, torque & dimensional check, then export-ready packing
Need Mill-Certified Stainless Steel Screws On Short Notice?Share size, drive & quantity – get factory price with MTC 3.1 in 24 hours.
Chemical Composition of ASTM A193 Stainless Steel Screw
ChromiumCr
16.00–18.00%
NickelNi
10.00–14.00%
MolybdenumMo
2.00–3.00%
ManganeseMn
≤ 2.00%
SiliconSi
≤ 1.00%
CarbonC
≤ 0.08%
PhosphorusP
≤ 0.045%
SulphurS
≤ 0.030%
IronFe
Balance
Mechanical Properties of Stainless Steel Self Tapping Screw
Tensile Strength
515 MPa Min
75 ksi Min
Yield Strength
205 MPa Min
0.2% Proof Stress
Hardness
≤ 223 HB
96 HRB Max
Elongation
30% Min
In 4D Gauge
Material Equivalent Grades of SS Socket Set Screw
American Standard
- UNS S30400 / S31600
- ASTM A193 Grade B8 / B8M
- ASME B18.2.1 / B18.3
European Standard
- EN 1.4301 / 1.4401
- DIN 912 / DIN 7981
- ISO 4762 / ISO 7049
Japanese Standard
- SUS304 / SUS316
- JIS B 1176
- JIS B 1054
Surface Finish Options For Stainless Steel Thumb Screw
Bright Annealed
- Natural reflective surface
- No secondary coating
- Standard mill condition
Passivated
- Restores chromium oxide film
- Improves corrosion resistance
- Free-iron removal verified
Mirror Polished
- Aesthetic exposed applications
- Reduced surface roughness
- Easier wash-down cleaning
Weekly Delivery of Stainless Steel Counter Sunk Screw To Below Countries
| Export to | Countries | Continent | Shipping Time | Ports |
|---|---|---|---|---|
|
|
Netherlands | Europe | 30 Days | Port of Rotterdam |
|
|
Kuwait | Asia | 10 Days | Shuaiba Port |
|
|
Nigeria | Africa | 30 Days | Port of Calabar |
Sourcing Stainless Steel Square Head Screw For A Project BOQ?Send your drawing – factory price, MTC 3.1, dispatch same week.
SS Self Tapping Screw Benefits
Chloride & Pitting Resistance
Non-Magnetic (Austenitic)
High-Temperature Strength
Hygienic, Wash-Down Safe
Consistent Finish, No Coating Needed
No Anti-Galling Coating Wear-Off
Lower Lifecycle Maintenance
100% Recyclable Alloy
Assorted Types of Stainless Steel Screw
Check Stainless Steel Screw Manufacturer in India providing distinct types with excellent quality.

Stainless Steel Socket Head Cap Screws
DIN 912

ASTM A193 Stainless Steel Hex Head Screws
ASME B18.2.1

Stainless Steel Pan Head Screws
DIN 7985

SS Steel Shoulder Screw
Custom Drawing

Stainless Steel Counter Sunk Screw
DIN 7991

Stainless Steel Wood Screw
DIN 95
Stainless Steel Thumb Screw
DIN 653

Stainless Steel Blind Rivet Screws
Rivnut Insert
Torque Chart For SS Socket Head Cap Screws
| Size | Torque (Nm) | Size | Torque (Nm) |
|---|---|---|---|
| M2 | 0.4 | M10 | 50 |
| M2.5 | 0.75 | M12 | 88 |
| M3 | 1.35 | M14 | 140 |
| M4 | 3.0 | M16 | 215 |
| M5 | 6.1 | M18 | 380 |
| M6 | 10.0 | M20 | 435 |
| M8 | 25.0 | – | – |
Export Packaging of Stainless Steel Flat Head Self Tapping Screws
Poly Bag & Carton
Standard retail-ready packing for trial orders
Bulk Drum / Keg Packing
For container-load screw shipments by weight
VCI Moisture Barrier Pack
Prevents surface staining on long sea-transit
Custom Labelling
Heat number & grade marked per buyer requirement
Stainless Steel Screw HSN Code
HSN Code
7318.15.00
Other Screws & Bolts, Iron/Steel
GST Rate
18%
Applicable On Domestic Sale
Self Tapping Screw HSN
7318.14.00
Separate Sub-Heading, 18% GST
Export Benefit
RoDTEP Eligible
Duty drawback available on export orders
Testing Methods For SS Steel Shoulder Screw
Find Stainless Steel Screw Supplier in India providing certified testing methods with quality assurance.
PMI Testing
Positive Material Identification on every heat
Salt Spray Test
96-hour ASTM B117 chloride exposure check
Torque & Proof Load Test
Verifies breaking torque against EN ISO 3506 minimums
Dimensional & Visual
Thread, head, drive & length checked per lot
Hardness Test
Brinell / Rockwell check against ASTM A193 limits
Micro-Structure Check
Confirms full carbide-solution treatment, no sensitization
Buying In Bulk For A Fabrication or OEM Project?Send your BOQ – factory price, MTC 3.1, dispatch same week.
Stainless Steel Self Tapping Screw with Excellent Pitting Corrosion Resistance for Marine & Chemical Processing Applications
Applications of Stainless Steel Square Head Screw
Marine & Shipbuilding
Desalination & Water Treatment
Electrical Panel & Cabinet Assembly
Food & Pharma Process Equipment
Structural & Facade Fixing
Chemical & Petrochemical Plants
Machine Tool & Fixture Assembly
Pump & Valve Assembly (Seawater Duty)
Monthly Delivery of SS Socket Set Screw to Below Countries
| Export to | Continent | Countries | Shipping Time |
|---|---|---|---|
|
|
North America | Mexico | 45 Days |
|
|
Africa | South Africa | 25-30 Days |
|
|
Asia | Oman | 5 Days |
|
|
Africa | Kenya | 19 Days |
Frequently Asked Questions
What is the ASTM A193 Stainless Steel Hex Head Screws price in India?
Price depends on size, grade, finish and quantity. Contact us for a quote.
Can SS Self Tapping Screw be used without a pre-drilled pilot hole?
Yes, depending on the material, but a pilot hole is usually recommended.
What size range do you supply in Stainless Steel Flat Head Self Tapping Screws?
We supply M2 to M100 in standard and custom lengths.
Call Now For the Clients List Based in Below Locations
| Regions | Country |
|---|---|
| West Africa | Nigeria, Ghana, Senegal |
| South Carolina | USA |
| North America | USA, Canada, Mexico |
| East Asia | China, Japan, South Korea |
| South America | Brazil, Argentina, Colombia |
| North Africa | Egypt, Morocco, Algeria |
| Middle East | Saudi Arabia, Iran, Iraq |
| South Asia | India, Pakistan, Bangladesh |
| Melanesia | Fiji, Papua New Guinea |
| East Africa | Kenya, Ethiopia, Tanzania |

