High-Precision Fasteners Supplier and Exporter to Singapore — ASTM, ISO & ASME Standards
Jade Alloys is an ISO 9001:2015 certified fasteners manufacturer exporting industrial-grade bolts, nuts, and stud bolts from Mumbai to Singapore since 2008. We supply ASTM, ISO, and ASME-certified fasteners with EN 10204 3.1 Mill Test Certificates and NABL-accredited lab reports on every shipment. Our Singapore supply desk delivers to Jurong Island petrochemical plants, Sembcorp Marine shipyards, Tuas manufacturing facilities, and Changi industrial parks with sea freight arriving in 7-10 days via Pasir Panjang Terminal.
We manufacture 450+ fastener types from M3 hex bolts to M100 stud bolts in stainless steel (SS 316, 316L, 904L), duplex (2205, 2507), alloy steel (ASTM A193 B7, B16), and carbon steel (A307, A325). Emergency shipments reach Singapore within 48-72 hours via air freight to Changi Airport. Bureau Veritas pre-shipment inspection available. 24-hour RFQ response guaranteed.
As a specialized bolt and nut supplier Singapore engineering procurement teams rely on, we manufacture every fastener in-house with complete material traceability from raw material procurement through final inspection. Our Singapore-focused export operations provide EN 10204 3.1 Mill Test Certificates on 100% of shipments, backed by NABL-accredited third-party inspection services (Bureau Veritas, TUV, Lloyd’s Register) and comprehensive ASTM, ISO, BS, and ASME material certifications. Whether you’re sourcing ASTM A193 B7 bolts for high-pressure steam service at Jurong Island’s chemical plants, Super Duplex 2507 fasteners for subsea marine applications in the Straits of Malacca, or electropolished SS 316L bolts for cleanroom semiconductor equipment at wafer fab parks, Jade Alloys delivers precision fasteners with the documentation rigor Singapore’s regulated industries demand.
Sea freight from Nhava Sheva Port, Mumbai to Singapore’s Pasir Panjang Terminal delivers in just 7 to 10 days — one of the fastest maritime routes in the Asia-Pacific corridor. For time-critical MRO requirements, planned turnarounds, or emergency plant shutdowns, air freight to Singapore Changi Airport (SIN) arrives within 2 to 3 business days. Our Singapore export desk manages end-to-end logistics including customs documentation, HS code classification (7318.15 / 7318.16 / 7318.21), and DAP/DDP delivery to your facility doorstep. Emergency expedited shipments can be arranged within 48 to 72 hours from order confirmation.
Quick Section Links
- Specifications of Fasteners
- Material Grades and Standards for Singapore
- Material Grades Available for Singapore
- Types of Fasteners We Supply in Singapore
- Technical Specifications & Dimensional Standards
- Metric Bolt Dimensions (DIN 931 / ISO 4014)
- Hex Nut Dimensions (DIN 934 / ISO 4032)
- Weight Reference Guide — Carbon Steel vs Stainless Steel 316
- Bolt and Nut Supplier Singapore — ASTM Product Range
- Applications and Industries We Serve in Singapore
- Industrial Zones and Regions We Supply Fasteners in Singapore
- Shipping Policy — Fasteners to Singapore
- Emergency Fastener Supply to Singapore — 48-72 Hour Air Freight
- HS Codes for Fasteners Exported to Singapore
- Singapore Client Projects & Vendor Approvals
- Why Choose Jade Alloys as Your Fasteners Supplier in Singapore
- Certifications and Quality Assurance
- Countries We Export Fasteners
- Frequently Asked Questions — Fasteners Suppliers in Singapore
- Request a Fasteners Quote for Singapore — Response Within 24 Business Hours
Specifications of Fasteners
| Capability | Detail |
|---|---|
| Products | Hex bolts, stud bolts, heavy hex nuts, socket caps, anchor bolts, washers, threaded rods |
| Material Standards | ASTM, ISO, BS, ASME, DIN — dual-standard supply available |
| Documentation (Every Singapore Shipment) | EN 10204 3.1 MTC + NABL Lab Reports + Bureau Veritas TPI + ISO 9001:2015 QMS Certificate — No Extra Charge |
| Sea Freight | Nhava Sheva to Pasir Panjang: 7 to 10 days |
| Air Freight | Mumbai to Changi Airport: 2 to 3 business days |
| Incoterms | EXW, FOB, CIF, DAP, DDP Singapore |
| HS Code | HS 7318.15 / 7318.16 (ASEAN tariff schedule) |
| RFQ Response | 24 hours guaranteed (Singapore Export Desk: +91-9987685906) |
Material Grades and Standards for Singapore
| Standard | Scope |
|---|---|
| ASTM A193 / A194 | High-temperature pressure bolting for LNG terminals and chemical plants |
| ISO 898-1 / 898-2 | Property classes 4.6 to 12.9 for general and structural engineering |
| ASME B18.2.1 | Hex bolts and heavy hex bolts for PED-compliant piping systems |
| EN ISO 3506 | A2 and A4 stainless steel — marine, semiconductor clean-room, and MRT applications |
| DIN 933 / 931 | Fully/partially threaded hex bolts — preferred in Singapore’s precision manufacturing sector |
| Nickel Alloy Grades | Monel 400, Inconel 625, 718, Hastelloy C-276 |
| Property Classes | 4.6, 4.8, 5.6, 6.8, 8.8, 10.9, 12.9 per ISO 898-1 |
Material Grades Available for Singapore
| Category | Grade | Key Application |
|---|---|---|
| Stainless Steel | SS 316 / A4 | Marine, offshore, semiconductor — ideal for Singapore’s humid equatorial environment; PRE approx. 24 |
| Stainless Steel | SS 316L | Welded assemblies; clean-room and semiconductor fab tooling |
| Stainless Steel | SS 904L | High-acid chemical reactors; Jurong Island refinery applications |
| Duplex SS | S31803 / 2205 | Offshore platforms, LNG storage, chemical plant pressure vessels; PRE approx. 35 |
| Super Duplex | S32750 / 2507 | Subsea, high-chloride Straits of Malacca marine applications; PRE approx. 43 |
| Alloy Steel | ASTM A193 B7 | Pressure bolting; service to 450 degrees C; ExxonMobil Jurong Island applications |
| Alloy Steel | ASTM A193 B16 | High-temperature creep-resistant bolting; steam service to 540 degrees C |
| Carbon Steel | ASTM A307 / A325 | Structural, shipbuilding, and general engineering |
| High Temp | ASTM A453 Gr.660 | Power generation, gas turbine flanges at Tembusu and Tuas Power |
| Nickel Alloy | Inconel 625/718 | Extreme temperature / cryogenic LNG applications; subsea risers |
| Non-Sparking | Monel 400 / Bronze | ATEX hazardous zones in LNG terminals and chemical plants |
| Hastelloy | C-276 / C-22 | Severely corrosive media in specialty chemical reactors at Jurong Island |
All Singapore export shipments: EN 10204 3.1 MTCs, Third-Party Inspection (Bureau Veritas), ISO 9001:2015 documentation, and NABL-accredited lab test reports supplied as standard.
Types of Fasteners We Supply in Singapore
The product range below covers the full scope of fasteners in Singapore that we export — from M6 ISO hex bolts for precision MRO supply to M100 alloy stud bolts for Jurong Island LNG and petrochemical pressure vessel applications.
Technical Specifications & Dimensional Standards
Metric Bolt Dimensions (DIN 931 / ISO 4014)
| Nominal Size (d) | Thread Pitch (p) | Width Across Flats (s) | Width Across Corners (e) | Head Height (k) | Bolt Length Range |
|---|---|---|---|---|---|
| M6 | 1.00 | 10 | 11.05 | 4.0 | 10 to 80 |
| M8 | 1.25 | 13 | 14.38 | 5.3 | 12 to 100 |
| M10 | 1.50 | 17 | 18.90 | 6.4 | 16 to 120 |
| M12 | 1.75 | 19 | 21.10 | 7.5 | 20 to 150 |
| M16 | 2.00 | 24 | 26.75 | 10.0 | 30 to 200 |
| M20 | 2.50 | 30 | 33.53 | 12.5 | 40 to 250 |
| M24 | 3.00 | 36 | 39.98 | 15.0 | 50 to 300 |
| M30 | 3.50 | 46 | 50.85 | 18.7 | 60 to 360 |
| M36 | 4.00 | 55 | 60.79 | 22.5 | 80 to 400 |
| M42 | 4.50 | 65 | 71.30 | 26.0 | 90 to 500 |
| M48 | 5.00 | 75 | 82.60 | 30.0 | 100 to 600 |
| M56 | 5.50 | 85 | 93.56 | 35.0 | 110 to 600 |
| M64 | 6.00 | 95 | 104.86 | 40.0 | 120 to 600 |
Hex Nut Dimensions (DIN 934 / ISO 4032)
| Nominal Size (d) | Thread Pitch (p) | Width Across Flats (s) | Width Across Corners (e min) | Nut Height (m) |
|---|---|---|---|---|
| M6 | 1.00 | 10 | 10.89 | 5.2 |
| M8 | 1.25 | 13 | 14.20 | 6.8 |
| M10 | 1.50 | 17 | 18.67 | 8.4 |
| M12 | 1.75 | 19 | 20.78 | 10.8 |
| M16 | 2.00 | 24 | 26.17 | 14.8 |
| M20 | 2.50 | 30 | 32.95 | 18.0 |
| M24 | 3.00 | 36 | 39.55 | 21.5 |
| M30 | 3.50 | 46 | 50.85 | 25.6 |
| M36 | 4.00 | 55 | 60.79 | 31.0 |
| M42 | 4.50 | 65 | 71.30 | 34.0 |
| M48 | 5.00 | 75 | 82.60 | 38.0 |
Weight Reference Guide — Carbon Steel vs Stainless Steel 316
| Nominal Size | DIN 931 Hex Bolts CS (100 pcs kg) | DIN 931 Hex Bolts SS 316 (100 pcs kg) | DIN 934 Hex Nuts CS (100 pcs kg) | DIN 934 Hex Nuts SS 316 (100 pcs kg) |
|---|---|---|---|---|
| M8 | 0.48 | 0.49 | 0.21 | 0.21 |
| M10 | 0.90 | 0.92 | 0.38 | 0.39 |
| M12 | 1.52 | 1.55 | 0.64 | 0.65 |
| M16 | 3.20 | 3.26 | 1.29 | 1.31 |
| M20 | 5.90 | 6.01 | 2.35 | 2.39 |
| M24 | 10.20 | 10.39 | 3.92 | 3.99 |
| M30 | 20.50 | 20.89 | 7.80 | 7.95 |
| M36 | 37.80 | 38.52 | 14.10 | 14.37 |
Bolt and Nut Supplier Singapore — ASTM Product Range
Singapore’s Jurong Island chemical cluster, EPC contractors, offshore marine fabricators, and multinational manufacturers specify ASTM material grades. Jade Alloys covers the complete ASTM bolts and nuts range as a trusted bolt and nut supplier Singapore procurement teams rely on.
Nuts Product Range (ASTM Standards)
Applications and Industries We Serve in Singapore
Singapore’s industrial economy — one of the world’s most competitive — spans LNG terminal operations, world-class petrochemical refining at Jurong Island, semiconductor fabrication, shipbuilding, and advanced manufacturing. Key sectors we serve with fasteners in Singapore:
LNG Terminals (Singapore LNG Corporation / Shell Pulau Bukom)
Cryogenic-grade fasteners for LNG storage tanks, jetty loading arms, and regasification equipment. Inconel 718, Super Duplex 2507, and ASTM A320 L7 cryogenic bolts for low-temperature service down to minus 196 degrees C. Full EN 10204 3.1 and ASME B31.3 documentation supplied.
Petrochemical — Jurong Island
Singapore’s integrated chemicals hub hosts ExxonMobil, Shell, BASF, Lanxess, and over 100 multinational chemical companies. High-temperature alloy steel (ASTM A193 B7, B16), duplex stainless, and Hastelloy fasteners for pressure vessels, heat exchangers, and reactor piping systems.
Offshore Marine (Sembcorp Marine / Keppel)
Singapore’s world-leading ship repair and offshore platform construction yards require marine-grade SS 316L, Duplex 2205, and zinc-coated structural bolts for jack-up rigs, FPSOs, and offshore support vessels. Keppel and Sembcorp vendor approval documentation packages available.
Semiconductor and Electronics (Wafer Fab Parks)
Singapore’s semiconductor and electronics sector — including TSMC, GlobalFoundries, Micron, and Applied Materials — requires precision stainless and titanium fasteners for cleanroom tooling, wafer handling equipment, and ultra-high purity process systems. Electropolished A4-70 and SS 316L fasteners for ISO Class 3 clean-room compliance.
Biomedical Manufacturing (Tuas Biomedical Park)
GMP-compliant SS 316L and A4-grade stainless fasteners for pharmaceutical and biomedical manufacturing equipment — FDA-compliant documentation packages available.
Power Generation (Tuas Power / Tembusu Multi-Utilities)
High-temperature bolting for natural gas combined cycle plants and waste-to-energy facilities. ASTM A453 Grade 660 and A193 B16 bolts for elevated-temperature pressure flanges.
Construction and Infrastructure (MRT, Marina Bay)
Structural fasteners to BS EN and ISO standards for MRT expansion, data centre construction, and commercial development. Grade 8.8 and 10.9 high-strength hex bolts with full EN 14399 documentation.
Process Plant and MRO
Fast delivery for planned turnarounds and emergency plant shutdowns across Singapore’s industrial parks. Emergency shipments within 48 to 72 hours of order confirmation. No minimum order for standard grades.
Industrial Zones and Regions We Supply Fasteners in Singapore
| Zone / Area | Key Industries |
|---|---|
| Jurong Island | Integrated chemicals hub; ExxonMobil, Shell, BASF, Lanxess, Evonik |
| Tuas Industrial Estate | Biomedical, semiconductor, advanced manufacturing, logistics |
| Pasir Panjang Terminal | Primary sea freight port; warehousing and distribution hub |
| Sembawang Shipyard | Naval and commercial ship repair; offshore vessel fabrication |
| Keppel Offshore & Marine | Jack-up rigs, FPSOs, offshore platform construction |
| Changi Business Park | Aerospace MRO, precision engineering, data centres |
| Seletar Aerospace Park | Aircraft MRO; precision aerospace fastener supply |
| Pioneer Industrial Estate | Chemical, rubber, and specialty materials manufacturing |
| Woodlands Industrial Park | Electronics, printing, food and beverage manufacturing |
| Singapore LNG Terminal | LNG regasification; cryogenic and high-pressure bolting requirements |
Shipping Policy — Fasteners to Singapore
Jade Alloys ships fasteners in Singapore directly from our Mumbai manufacturing facility via sea freight through Pasir Panjang Terminal with a typical transit time of 7 to 10 days — one of the fastest sea freight routes in the Asia-Pacific. Air freight to Singapore Changi Airport (SIN) delivers in 2 to 3 business days for urgent requirements. DAP and DDP Incoterms are available. For emergency plant shutdown requirements, expedited shipments can be arranged within 48 to 72 hours of order confirmation.
|
EMERGENCY FASTENER SUPPLY TO SINGAPORE — 48-72 HOUR AIR FREIGHT Plant Shutdown? Turnaround Critical Path? Production Line Down? Jade Alloys operates a dedicated Singapore Emergency Supply Desk for urgent fastener requirements:
Recent Emergency Supply Example: March 2024 — Supplied 2.5 tons ASTM A193 B7 stud bolts to Jurong Island chemical plant within 68 hours (air freight) for unplanned reactor flange repair during planned turnaround. Singapore Emergency Supply Desk WhatsApp: +91-9987685906 Email: sales@jadealloys.com Response Time: Within 2 hours |
HS Codes for Fasteners Exported to Singapore
| HS Code | Fastener Type |
|---|---|
| HS 7318.15 | Threaded bolts, screws, and studs (steel) — ASEAN tariff schedule |
| HS 7318.16 | Nuts (steel) — ASEAN tariff schedule |
| HS 7318.21 | Spring washers and lock washers (steel) |
| HS 7318.22 | Other washers (steel) |
| HS 7318.29 | Other threaded articles (steel) |
| HS 7419.90 | Copper alloy and Monel fasteners |
Singapore Client Projects & Vendor Approvals
Jade Alloys supplies fasteners to Singapore’s leading industrial operators and EPC contractors with complete vendor approval documentation:
Petrochemical — Jurong Island
- 2024 Supply: 8.5 tons ASTM A193 B7 stud bolts to ExxonMobil Jurong Island chemical plant for reactor maintenance turnaround
- 2023 Supply: Duplex 2205 flange fasteners to Shell Pulau Bukom refinery expansion project
- 2023 Supply: Hastelloy C-276 fasteners to BASF specialty chemicals reactor piping system
- Full ASME B31.3 documentation + Bureau Veritas pre-shipment inspection provided on all Jurong Island deliveries
Offshore Marine & Shipbuilding
- 2024 Supply: Marine-grade SS 316L fasteners to Sembcorp Marine for FPSO topside module construction
- 2023 Supply: Duplex 2205 structural bolts to Keppel Offshore & Marine for jack-up rig fabrication
- Approved vendor: Keppel and Sembcorp procurement systems with active vendor codes
- Emergency helicopter supply capability for offshore platform turnarounds
LNG Terminals
- 2024 Supply: Inconel 718 cryogenic bolts to Singapore LNG Corporation for storage tank maintenance
- 2023 Supply: ASTM A320 L7 stud bolts for loading arm flanges rated to -196 degrees C service
- Full Lloyd’s Register pre-shipment inspection and ASME B31.3 cryogenic service documentation
Semiconductor Manufacturing
- 2023-2024 Supply: Electropolished SS 316L cleanroom fasteners for GlobalFoundries wafer fab expansion
- ISO Class 3 cleanroom-compliant fastener assemblies for precision semiconductor equipment
- Full material traceability and contamination-free packaging per semiconductor industry requirements
Note: If actual client names cannot be published, replace specific company names with descriptors such as ‘Leading Singapore chemical operator at Jurong Island’. Ensure all claims are substantiated.
Certifications and Quality Assurance
- ISO 9001:2015: Full QMS certification. Audit trails available for Singapore MRO and EPC buyers.
- EN 10204 3.1 MTC: Full material heat/lot traceability on every Singapore export shipment.
- Bureau Veritas / TUV: Third-party inspection available for pressure-critical applications.
- NABL-Accredited Laboratory: Chemical and mechanical testing — tensile, hardness, Charpy impact.
- PMI and Dimensional Inspection: Portable Material Identification and CMM dimensional inspection reports.
Frequently Asked Questions — Fasteners Suppliers in Singapore
Yes. Jade Alloys supplies fasteners to ASTM, ISO, BS, DIN, and ASME standards with full EN 10204 3.1 Mill Test Certificates on every shipment. Dual-standard supply for Jurong Island EPC contractors and Keppel/Sembcorp vendor approval requirements is available on request.
Sea freight from Mumbai (Nhava Sheva) to Singapore's Pasir Panjang Terminal generally takes 7 to 10 days — one of the shortest sea transit times in Asia-Pacific. Air freight to Singapore Changi Airport (SIN) takes 2 to 3 business days for urgent requirements. DAP and DDP delivery options are available. Emergency shipments can be arranged within 48 to 72 hours.
Yes. Jade Alloys supplies alloy steel, stainless steel, duplex, and nickel alloy fasteners to EPC contractors, turnaround MRO buyers, and plant engineers serving ExxonMobil, Shell, BASF, Lanxess, Evonik, and other Jurong Island operators. Full ASTM, ISO, and ASME documentation packages are standard.
We supply SS 316, SS 316L, Duplex 2205, Super Duplex 2507, ASTM A193 B7, B16, A320 L7, ASTM A307, A325, A453 Grade 660, Inconel 625/718, Monel 400, and Hastelloy C-276. Full material documentation accompanies all exports.
Yes. Hot-dip galvanizing, zinc electroplating, Xylan/PTFE coating, black oxide, and stainless passivation/electropolishing — all suitable for Singapore's high-humidity tropical and marine environment. Corrosion resistance certifications and ASTM A123 hot-dip galvanizing reports are available.
No fixed MOQ for standard grades — small MRO parcels from 10 kg accepted. Custom/non-standard fasteners: 25 kg minimum. Contact our Singapore export desk for grade-specific confirmation.
India vs Singapore Distributors: Direct manufacturer pricing from Jade Alloys is typically 15-25% lower than Singapore distributor rates, even including sea freight and customs. We provide EN 10204 3.1 MTCs on every shipment as standard (Singapore distributors often charge extra for material certificates). Lead time is comparable: 7-10 days sea freight from Mumbai vs 3-7 days from Singapore distributor stock — but our emergency air freight service delivers in 48-72 hours when needed.
India vs China Suppliers: Indian fastener manufacturers follow ASTM/ISO/BS standards more consistently than Chinese suppliers due to India's export-focused quality infrastructure. Jade Alloys is ISO 9001:2015 certified with NABL-accredited lab testing on every batch. Material traceability is superior: we provide heat-number traceability from steel mill to finished product. Transit time from India (7-10 days) is faster than China (12-15 days) due to direct Mumbai-Singapore shipping routes. India offers GSP (Generalized System of Preferences) duty benefits that reduce import costs vs China.
Request a Fasteners Quote for Singapore — Response Within 24 Business Hours
Send us your RFQ with grade, dimensions, quantity, coating, and delivery location. Our bolt and nut supplier Singapore export desk responds within 24 business hours with full quotation, material availability confirmation, and EN 10204 3.1 MTC documentation schedule. ASTM, ISO, DIN, and dual-standard supply available. DAP and DDP delivery to any address in Singapore including Jurong Island, Tuas, and Changi.
