Stainless Steel Fasteners Overview
Mortec At A Glance
Established
Since 2012 • 15+ yrs experience
Manufacturing Units
2 in-house units • Taloja & Mazgaon
Stockyard Area
8,850+ sq.ft • Ready-stock inventory
Certifications
ISO 9001:2015, PED • GST, IEC & MSME
Clientele
100+ clients • India & export markets
Export Reach
15+ countries • Europe, GCC & APAC
Testing Offered
Mechanical, chemical & PMI • MTC EN 10204 3.1 & 3.2
Shipment Documents
Invoice, Packing List • COO, COI, MTC, BL & Lab Report
Table of Content
ISO Compliant SS Bolts And Nuts Supplier In India As Per Custom Specification
Export orders and plant shutdowns need fast, reliable supply. Buyers across South Africa, UAE, Kenya and Canada trust us. Our ex-stock inventory covers M6 to M36 sizes. Orders leave our stockyard within 48 hours.
Every hex bolt, stud, nut and washer ships with MTC. NACE MR0175 / ISO 15156 compliance is available on request. Export packing is built for long-haul freight transit. As direct manufacturers, we skip trader markups entirely. Whether one carton or a full container load. Our grade desk confirms specs before you commit.
Stainless Steel Fasteners Specification
Request quotes directly from the manufacturer, no middlemen. Original MTC pack included on every dispatch. Established SS fastener exporter, shipping globally with full mill certification.
Stainless Steel Fasteners Testing & Certification
- PMI, Proof Load, Hardness Test
- Third-Party Inspection on request
SS Studs Sour Service & Compliance
- NACE MR0175 / MR0103
- ISO 15156 qualified on request
Stainless Steel Screws Magnetic Response
- 304 & 316 near non-magnetic, annealed
- Slight response possible after cold work
Stainless Machine Screws Head & Drive Styles
- Hex, Socket, Philips, Slotted
- Countersunk & Button head
SS Rivets Export Packing
- VCI poly bag & export carton
- Drum packing for bulk orders
Stainless Steel Washers Supporting Hardware
- Matching nuts & washers supplied
- Anti-seize on request for 316 grades
Stainless Steel Bolts Passivation & Finish
- ASTM A967 passivation available
- Bright, dull or electropolished finish
SS Threaded Rod Manufacturing Origin
- Indian, European, Japanese mills
- Origin certificate on request
SS Bolts And Nuts Manufacturing Standards
Every fastener we produce is checked against these governing codes before dispatch.
Heavy-Duty Stainless Steel Hex Bolts and Stud Bolts in M6 to M36 Size Range or Custom
Stainless Steel Hex Bolt & Stud Bolt Size Chart
Standard metric size range held ex-stock for stainless steel hex bolts and stud bolts, M6 to M36.
| Size | Pitch (mm) | Head Width A/F (mm) | Head Height (mm) |
|---|---|---|---|
| M6 | 1.00 | 10 | 4.0 |
| M8 | 1.25 | 13 | 5.5 |
| M10 | 1.50 | 17 | 7.0 |
| M12 | 1.75 | 19 | 8.0 |
| M16 | 2.00 | 24 | 10.0 |
| M20 | 2.50 | 30 | 13.0 |
| M24 | 3.00 | 36 | 15.0 |
| M30 | 3.50 | 46 | 18.7 |
| M36 | 4.00 | 55 | 22.5 |
| Size | Pitch (mm) | Standard Length Range (mm) | UNC/UNF Nearest |
|---|---|---|---|
| M6 | 1.00 | 30–60 | 1/4″ |
| M8 | 1.25 | 35–70 | 5/16″ |
| M10 | 1.50 | 40–90 | 3/8″ |
| M12 | 1.75 | 45–100 | 1/2″ |
| M16 | 2.00 | 60–140 | 5/8″ |
| M20 | 2.50 | 70–170 | 3/4″ |
| M24 | 3.00 | 90–200 | 1″ |
| M30 | 3.50 | 110–250 | 1-1/4″ |
| M36 | 4.00 | 130–300 | 1-1/2″ |
Custom lengths and non-standard diameters available on request – share your drawing for exact dimensions.
Stainless Steel Fasteners Product Range
We are a leading stainless fastener supplier in India, backed by ex-stock inventory across common sizes and grades.
Stainless Steel Hex Bolt
ASTM F593 • M6–M36- Hex head, full or part thread
- General-purpose clamping duty
SS Stud Bolt
ASTM A193 B8/B8M- Double-end threaded rod
- Standard for flange bolting
Stainless Heavy Hex Nut
ASTM A194 8/8M- Matched to stud bolt grade
- UNC/UNF or metric thread
SS Socket Head Cap Screw
ASME B18.3 • M4–M24- Allen key drive, compact head
- Common in machine assembly
Stainless Steel Flat Washer
DIN 125 • ISO 7089- Spreads clamp load evenly
- Protects joint face finish
Stainless Spring Washer
DIN 127- Resists loosening under vibration
- Fitted beneath the nut face
SS Threaded Rod
Custom Length • M6–M36- Cut and threaded to length
- Used in hanger & anchor work
Stainless Steel Self Tapping Screw
DIN 7981/7982- Cuts its own mating thread
- Sheet metal & panel fixing
Stainless Steel Carriage Bolt
DIN 603 • ASME B18.5- Domed head, square neck
- Self-locates in timber & slots
SS U-Bolt
Custom Radius & Length- Pipe and channel clamping
- Made to your OD and gap
Stainless Steel Eye Bolt
DIN 580- Ring head for lifting or tie-down
- Rated capacity marked on head
Stainless Wing Nut
DIN 315- Hand-tightened, no tools needed
- Suited to frequent adjustment points
Stainless Steel Fasteners Manufacturer In India with ready stock M6–M36
Send grade, size and quantity - we quote ex-stock and mill-order lead times within hours.
SS Screws Alloy Composition Breakdown
Chromium-nickel composition for SS 304, plus the added molybdenum that sets 316 apart for chloride resistance.
Stainless Steel Studs Tensile, Yield & Hardness Data Sheet
Minimum room-temperature properties per ASTM A193/A194 for solution-annealed and strain-hardened stainless bolting.
Stainless Steel Bolt Nut Cross-Country Grade Cross-Reference
SS 304 and SS 316 carry an equivalent designation in every major fastener standard - all covering the same base chemistry.
ASTM / UNS (USA)
- UNS S30400 (304) / S31600 (316)
- ASTM F593 (Bolts), A193/A194
- ASTM A276 (Bar)
DIN / EN (Germany)
- Werkstoff 1.4301 (304) / 1.4401 (316)
- DIN 931, DIN 933, DIN 934
- EN 10088 / ISO 3506-1
JIS (Japan)
- SUS304 / SUS316
- JIS B1180 (Bolts), B1181 (Nuts)
BS (United Kingdom)
- BS 304S31 (304) / 316S31 (316)
- Follows EN 10088 (1.4301 / 1.4401)
ISO Property Class
- A2-70 / A2-80 (304 family)
- A4-70 / A4-80 (316 family)
SANS (South Africa)
- References ISO 3506-1/2
- Local suffix per SABS agent
SS Nut Rivets HSN Code, GST & Import Duty Reference
Stainless Steel Fasteners Manufacturer In Mumbai With Cut to Length at Low Cost
M8 Stainless Steel Bolts Thread Pitch & Tightening Torque Chart
Indicative dry-torque figures for A2/A4 property class 70 fasteners. Follow the joint designer's spec where one exists.
Popular Metric Sizes M8 M10 M12 M16 M20| Size | Pitch (mm) | Torque (Nm) | UNC/UNF Nearest |
|---|---|---|---|
| M8 | 1.25 | 13 | 5/16″ |
| M10 | 1.50 | 25 | 3/8″ |
| M12 | 1.75 | 44 | 1/2″ |
| M16 | 2.00 | 110 | 5/8″ |
| M20 | 2.50 | 215 | 3/4″ |
SS Bolts and nuts exporter dispatched in 2–5 working days
Tell us your destination port - we return a container-ready price for South African buyers within hours.
Stainless Steel Threaded Rod Marine & Coastal Corrosion Suitability
Matching grade to environment avoids premature pitting and warranty claims on coastal or industrial installations.
SS 304 - Fit For
SS 316 - Fit For
Where Our Stainless Fastener Buyers Order From
Recent enquiry activity across our core export lanes for stainless bolts, nuts and studs.
South Africa
Kenya
Uganda
UAE
Saudi Arabia
TurkeyCanadaUnited States
MexicoUnited Kingdom
Singapore
VietnamSS Hex Bolt Export Packing & Shipping Documentation
Every carton is packed to survive ocean freight and customs handling, with the paperwork buyers need on arrival.
Stainless Steel Fasteners Supplier In India With Differnt Grades
Metric and UNC/UNF stock held ready - share your drawing for a same-day supplier quote.
How Fast Your Fastener Order Moves
Cartons leave our Mumbai warehouse as soon as payment clears. Pick a freight mode below; transit time depends on the receiving port.
Ex-Stock Dispatch
Stocked grades & sizes leave our warehouse in 2–5 working days
Sea Freight
Best value for bulk cartons, roughly 1–4 weeks by destination port
Air Freight
3–7 days for urgent shutdown or breakdown quantities
Country-Specific ETA
Send your destination city for a firm delivery date on your RFQ
Stainless Fastener Testing & Certification
Each of these checks is available on request and recorded on your mill test certificate.
Stainless Steel Fasteners Industry-Wise Usage Reference
These are the industries that specify stainless steel fasteners most often, and why buyers pick us as their supplier.
Stainless Steel Fasteners Buyer FAQs
Quick answers to the questions buyers ask us most before placing an order.
What is the HSN code for stainless steel fasteners?
- HSN 7318 for bolts, nuts, screws, washers
- 18% GST rate in India
- Same 7318 heading under WCO global HS
- Grade & standard stated on every invoice line
- Destination duty varies – confirm with your broker
Which standards apply to stainless steel bolts and nuts?
- ASTM F593 bolts, ASTM F594 nuts
- ASTM A193 B8/B8M studs, A194 8/8M nuts
- ISO 3506-1 property class A2-70, A4-80
- DIN 931 / 933 bolts, DIN 934 nuts
- Project-specific callout – confirm with governing code
What sizes do stainless steel studs come in?
- Ex-stock M6 to M36 metric
- ¼ inch to 1½ inch imperial
- M12 stud length range 45–100 mm
- M24 stud length range 90–200 mm
- Custom lengths cut to drawing
What torque suits M8 stainless steel bolts?
- Around 13 Nm dry, property class 70
- Pitch 1.25 mm, head A/F 13 mm
- M10 about 25 Nm, M12 about 44 Nm
- Lubricated joints need lower torque
- Follow joint designer's spec where one exists
Are stainless steel washers supplied to match the bolts?
- Flat washers to DIN 125 / ISO 7089
- Spring washers to DIN 127
- Same grade and heat as bolts
- ID/OD matched to bolt diameter
- Spreads clamp load, protects joint face
Do you supply stainless steel threaded rod cut to length?
- M6 to M36, cut and threaded to length
- Grades 304, 304L, 316, 316L
- Used in hanger and anchor work
- Both ends chamfered as standard
- Matching nuts and washers available
Which grade suits stainless steel u bolts near the coast?
- SS 316 for coastal, marine, chloride duty
- SS 304 for inland, dry, non-chloride settings
- 316 adds 2–3% molybdenum over 304
- Made to your pipe OD and gap
- Caution above 60°C in stagnant chloride water
Where are stainless steel self tapping screws used?
- Sheet metal and panel fixing
- Cuts its own mating thread
- Dimensions to DIN 7981 / 7982
- Philips, slotted or hex drive
- Pilot hole size – confirm with governing code
Authorized Supplier For The Following Companies - Material At Reseller Price For Traders
