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
Stainless Steel Screw

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.

Request A Quote →

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 Netherlands Europe 30 Days Port of Rotterdam
Kuwait Kuwait Asia 10 Days Shuaiba Port
Nigeria 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.

Request A Quote →

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
Stainless Steel Socket Head Cap Screws

DIN 912

ASTM A193 Stainless Steel Hex Head Screws
ASTM A193 Stainless Steel Hex Head Screws

ASME B18.2.1

Stainless Steel Pan Head Screws
Stainless Steel Pan Head Screws

DIN 7985

SS Steel Shoulder Screw
SS Steel Shoulder Screw

Custom Drawing

Stainless Steel Counter Sunk Screw
Stainless Steel Counter Sunk Screw

DIN 7991

Stainless Steel Wood Screw
Stainless Steel Wood Screw

DIN 95

Stainless Steel Thumb Screw
Stainless Steel Thumb Screw

DIN 653

Stainless Steel Blind Rivet Screws
Stainless Steel Blind Rivet Screws

Rivnut Insert

Torque Chart For SS Socket Head Cap Screws

Recommended Maximum Tightening Torque – A2-70 / A4-70 Stainless 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

1
Poly Bag & Carton

Standard retail-ready packing for trial orders

2
Bulk Drum / Keg Packing

For container-load screw shipments by weight

3
VCI Moisture Barrier Pack

Prevents surface staining on long sea-transit

4
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.

Request A Quote →

 

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
Mexico North America Mexico 45 Days
South Africa Africa South Africa 25-30 Days
Oman Asia Oman 5 Days
Kenya 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

ganpat industrial corporation

6 Reasons to choose Ganpat Industrial Corporation

  1. Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
  2. Stockholder and importer of Ferrous and non ferrous metals.
  3. Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
  4. Marine grade steel at lowest price in Mumbai.
  5. Compare Price per KG in India and China.
  6. Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA