Foundation Bolts Exporter from India
Type A, B, D & E foundation bolts to IS 5624, ASTM F1554 & DIN 529 — M16 to M100 — for civil, structural & machinery foundations — exported worldwide.
TERNS EXIM is a Coimbatore, India-based exporter of foundation bolts including J-type, L-type, and plate-type anchor bolts in mild steel and property classes 4.6 and 8.8. We supply sizes from M12 to M48 in zinc-plated and hot-dip galvanized finishes for securing structures, machinery, and columns to concrete foundations. Minimum order quantity is 10,000 pieces or 700 kg, and every shipment includes Mill Test Certificates with optional SGS, BV, or TUV inspection.
| Specification | Details |
|---|---|
| Types | J-Type, L-Type, Plate-Type |
| Grades | Mild Steel, Property Class 4.6, Property Class 8.8 |
| Size Range | M12 to M48 |
| Standards | IS 5624, ASTM F1554, DIN 529 |
| Finishes | Zinc Plated, Hot-Dip Galvanized (HDG) |
| Material | Carbon steel |
| MOQ | 10,000 pieces or 700 kg |
| Certification | Mill Test Certificate; optional SGS / BV / TUV |
| Lead Time | Quote on enquiry |
| HS Code | 7318.15 |
| Type | Description | Typical Application |
|---|---|---|
| J-Type | J-shaped hook cast into concrete | Anchoring structural steel columns and machinery bases to concrete foundations |
| L-Type | Right-angle 90° bend | Cast-in-place; horizontal pull-out resistance in concrete foundation pads |
| Plate-Type | Bolt with welded anchor plate at base | Highest pull-out resistance for heavy machinery, turbine pads, and seismic zones |
Precision Foundation Bolts for Civil, Structural & Industrial Machinery Bases
TERNS EXIM exports high-quality foundation bolts from Coimbatore, India, supplying construction, EPC, and infrastructure companies across the Middle East, Africa, Southeast Asia, and Europe. Our foundation bolts are manufactured per IS 5624, ASTM F1554, DIN 529, and BS 7419 — covering all standard types (A, B, D, E) in diameters M16 to M100 with lengths from 300 mm to 3000 mm.
Foundation bolts are cast into concrete during construction to provide secure anchor points for structural steel columns, heavy machinery, pumps, turbines, and process equipment. Every shipment is supplied with full Mill Test Certificates and dimensional inspection reports. Custom designs from engineer drawings are accepted with a 2-week approval turnaround.
Key Applications
- Structural steel column base plates in buildings & bridges
- Heavy industrial machinery & turbine foundation pads
- Conveyor systems, compressors, and pumping stations
- Overhead crane rails and runway beam pedestals
- Power plant boilers, generators, and turbine halls
- Petrochemical, refinery, and offshore platform structures
Applicable Standards
Product Variants
Foundation Bolt Types We Export
IS 5624 defines five standard foundation bolt types for different anchoring configurations and load requirements.
Type A — Bent Bolt
Hook or bent-end bolt cast in concrete. Simple, economical, and most commonly specified per IS 5624.
Type B — Plate Bolt
Bolt with a welded steel anchor plate at the base. Provides higher pull-out resistance than bent types.
Type D — Cotter & Sleeve
Sleeve-and-cotter assembly allowing positional adjustment after concrete pour. Used in precise machinery alignment.
Type E — Forged Head
Forged collar or head at the embedded end. Highest pull-out strength for seismic and dynamic load conditions.
Double-End Stud
Threaded both ends for leveling nuts above and below the base plate. Used in precision machinery installation.
Custom / Drawing-Based
Non-standard head shapes, lengths, and bends manufactured to engineer-supplied drawings for EPC projects.
Technical Specifications
Foundation Bolt Specifications at a Glance
All types manufactured to IS 5624, ASTM F1554, and DIN 529. Custom lengths and configurations accepted with approved drawings.
| Parameter | Details |
|---|---|
| Applicable Standards | IS 5624, ASTM F1554 (Gr. 36, 55, 105), DIN 529, BS 7419, EN 14399 |
| Types (IS 5624) | Type A (Bent/Hook), Type B (Plate), Type C (Lewis), Type D (Cotter & Sleeve), Type E (Forged) |
| Strength Grades | ASTM Gr. 36 (248 MPa), Gr. 55 (379 MPa), Gr. 105 (724 MPa); IS 4.6, 8.8 |
| Diameter Range | M16 – M100 metric (3/4" – 4" imperial also available) |
| Length Range | 300 mm – 3000 mm; custom lengths accepted with drawing |
| Materials | Carbon Steel (Fe 410, Fe 540), SS 304, SS 316, Alloy Steel, High-Yield Steel |
| Surface Finishes | Self-Colour, Hot-Dip Galvanized (HDG), Zinc Electroplated, Epoxy Primer Coated |
| Nut & Washer | Heavy hex nuts (per ASTM A563) and structural washers (per ASTM F436) included on request |
| Certifications | Mill Test Certificate (EN 10204 3.1); dimensional inspection report; third-party test by SGS / BV available |
| Packaging | Bundled sets or individual polybag; wooden crates for projects; full bolt-marking and tagging |
| Lead Time | 10 – 30 working days; drawing-based orders require approval prior to production |
| MOQ | 10,000 pieces or 700 kg (EPC project quantities welcome) |
Materials Available
Material Grades & Options
Choose the right material grade based on structural load, soil chemistry, and environmental exposure class.
Carbon Steel
ASTM F1554 Gr. 36 & 55. Standard for most civil and industrial foundations. HDG coating for buried or outdoor exposure.
Stainless Steel 304
For foundations in moist, coastal, or mildly corrosive environments. Avoids long-term galvanic corrosion in sensitive structures.
Stainless Steel 316
Marine, waterfront, and chemical exposure. Superior chloride resistance for seawater-proximate structures and process plants.
High-Strength Alloy
ASTM F1554 Gr. 105. For heavy machinery, seismic zones, and structures subject to dynamic or high-tensile loading.
Our Product Range
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Buyer FAQ
Frequently Asked Questions — Foundation Bolts
What is the difference between foundation bolts and anchor bolts?
Foundation bolts are cast-in-place bolts embedded in concrete during construction to anchor structural steel columns and machinery, while anchor bolts is a broader term that also covers post-installed anchors. Foundation bolts typically refer to cast-in-place types manufactured to IS 5624 or ASTM F1554.
What is the minimum order quantity for foundation bolts?
Our MOQ is 10,000 pieces or 700 kg depending on size.
What sizes of foundation bolts do you supply?
TERNS EXIM supplies foundation bolts in sizes M12 to M48, with custom sizes available on request.
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Get Your Foundation Bolt Quote
Specify bolt type, grade, dimensions, and quantity. We'll respond within 24 hours with a competitive export price.
- IS 5624, ASTM F1554 standards
- Custom hook angle and thread specs
- HDG coating available