Nuts Exporter from India
Hex nuts, lock nuts, flange nuts, nyloc nuts & more — DIN 934/985, ISO 4032, ASTM A563 — M3 to M80 — shipped worldwide from Coimbatore.
TERNS EXIM is a Coimbatore, India-based exporter of high-tensile hex nuts in property classes 8, 10, and 12, manufactured to DIN 934 and ISO 4032 standards. We supply sizes from M5 to M64 in plain (black), zinc-plated, and hot-dip galvanized finishes, with carbon steel, alloy steel, and stainless steel (A2/A4) options. Minimum order quantity is 10,000 pieces or 700 kg depending on size, and every shipment includes Mill Test Certificates, with optional third-party inspection by SGS, BV, or TUV.
| Specification | Details |
|---|---|
| Property Classes | 8, 10, 12 (high tensile) |
| Size Range | M5 to M64 |
| Standards | DIN 934, ISO 4032, BS, JIS, BIS |
| Finishes | Plain / Black, Zinc Plated, Hot-Dip Galvanized |
| Material | Carbon steel, alloy steel, stainless steel (A2/A4) |
| MOQ | 10,000 pieces or 700 kg |
| Certification | Mill Test Certificate; optional SGS / BV / TUV |
| Lead Time | Quote on enquiry |
| HS Code | 7318.16 |
| Nut Property Class | Proof Load Stress (MPa) | Recommended Mating Bolt | Typical Use |
|---|---|---|---|
| 8 | 800 | Class 8.8 bolts | General structural and machinery |
| 10 | 1040 | Class 10.9 bolts | High-stress joints, heavy equipment |
| 12 | 1150 | Class 12.9 bolts | Critical high-load applications |
Complete Range of Industrial Nuts for Global Export — DIN, ISO & ASTM Certified
TERNS EXIM exports a comprehensive range of industrial nuts from Coimbatore, India to buyers across the USA, Middle East, Europe, and Southeast Asia. From standard hex nuts to specialty castle nuts, nyloc locknuts, and heavy hex nuts, we source from certified Indian manufacturers and supply with full Mill Test Certificates on every shipment.
Our nut range covers DIN 934 (hex nut), DIN 985 (nyloc lock nut), DIN 6923 (flange nut), ISO 4032 (hex nut), ASTM A563 (heavy hex nut), and BS 3692 standards. Whether you need 5,000 pieces of M8 nyloc nuts or 20-tonne container shipments of M64 heavy hex nuts for a construction project, TERNS EXIM delivers on time with complete documentation.
Key Applications
- General structural bolted connections & fabrication
- Automotive assembly lines & vehicle manufacturing
- Machinery, conveyors, and industrial equipment
- Pipe flanges, pressure vessels, and heat exchangers
- Electrical enclosures & panel boards
- Construction, bridges, and infrastructure projects
Applicable Standards
Product Variants
Types of Nuts We Export
Full range of nut types for every application — from standard structural hex nuts to specialty locknuts and coupling nuts.
Hex Nut
DIN 934 / ISO 4032. Standard six-sided nut for general fastening in all structural and mechanical applications.
Heavy Hex Nut
ASTM A563 / DIN 6915. Larger across-flats for bolted flanges, structural steel, and high-strength bolt assemblies.
Nyloc Lock Nut
DIN 985. Nylon insert prevents loosening from vibration. Ideal for dynamic and high-vibration machinery applications.
Flange Nut
DIN 6923. Integrated serrated flange acts as a built-in washer, distributing load and resisting rotation.
Castle (Slotted) Nut
DIN 935. Slots engage with cotter pin to prevent rotation. Used on spindles, steering, and safety-critical joints.
Coupling (Hexagon Long) Nut
DIN 6334. Extended body for joining two threaded rods end-to-end. Used in anchor rod installations and extensions.
Technical Specifications
Nut Specifications at a Glance
All nut dimensions to DIN, ISO, and ASTM standards. Exact mechanical and dimensional data available on request.
| Parameter | Details |
|---|---|
| Applicable Standards | DIN 934, DIN 985, DIN 6923, DIN 935, DIN 6334, ISO 4032, ISO 7042, ISO 7043, ASTM A563, BS 3692, IS 1364 |
| Property Classes | 4, 5, 6, 8, 10, 12 (metric); Grade A, B, C, DH (ASTM A563) |
| Size Range | M3 – M80 metric; 1/4" – 3" UNC/UNF imperial also available |
| Thread Form | Metric coarse (M), Metric fine (MF), UNC, UNF as specified |
| Nut Height | Standard (DIN 934), Low Profile, High / Jam Nut, Heavy (ASTM A563) as required |
| Materials | Mild Steel (MS), Carbon Steel, SS 304 (A2), SS 316 (A4), Alloy Steel, Brass, Bronze |
| Surface Finishes | Self-Colour, Zinc Electroplated (Cr3), Hot-Dip Galvanized (HDG), Dacromet, Black Oxide, Phosphate |
| Certifications | Mill Test Certificate (EN 10204 3.1); hardness and dimensional test reports; third-party inspection available |
| Packaging | Polybags in cartons; bulk sacks (25 kg); customer-specific labeling and kitting available |
| Lead Time | 5 – 15 working days (standard sizes); 15 – 25 days for non-standard or high-grade |
| MOQ | 10,000 pieces or 700 kg (smaller trial quantities accepted for new buyers) |
Materials Available
Material Grades & Options
Match your nut material to the bolt grade and application environment for maximum performance and life.
Carbon Steel (MS)
Property classes 4, 6, 8, 10. Most widely used. Zinc or HDG finish for corrosion protection in outdoor applications.
Stainless Steel 304
Grade A2. Corrosion-resistant for food processing, pharmaceutical, and light-to-moderate chemical environments.
Stainless Steel 316
Grade A4. Preferred for marine, offshore, and chemical-plant environments with chloride or acid exposure.
Brass
Electrical, plumbing, and decorative applications requiring non-magnetic, non-sparking, or aesthetically finished fasteners.
Our Product Range
Explore Related Fastener Products
Buyer FAQ
Frequently Asked Questions — Hex Nuts
Which nut grade should I use with a Class 10.9 bolt?
Use a Class 10 hex nut with a Class 10.9 bolt. The nut grade should always match or exceed the bolt grade so the bolt fails before the nut strips.
What is the minimum order quantity for hex nuts?
Our MOQ is 10,000 pieces or 700 kg depending on nut size.
Do you supply stainless steel hex nuts for export?
Yes, we supply hex nuts in carbon steel, alloy steel, and stainless steel A2 and A4 grades for corrosion-resistant applications.
Request a Quote
Get Your Nuts Export Quote
Tell us the nut type, grade, size range, and quantity needed. Our team responds within 24 hours with a competitive price.
- Hex, Lock, Flange, Nyloc, Castle nuts
- DIN 934/985, ISO 4032, ASTM A563
- Carbon steel, SS 304/316, M3–M80