Hot-Dip Galvanised (HDG)
All HDG fasteners are zinc-coated through the hot-dip galvanising process, providing durable corrosion protection for inland, semi-urban, and standard rooftop or ground-mount solar installations. Available in the full M8–M14 size range with assembled or individually supplied components. Get a quote from Bharat Industrial Fasteners, Chennai.
Product Details & Specifications
Hot-Dip Galvanised (HDG) Supplier in Chennai
All HDG fasteners are zinc-coated through the hot-dip galvanising process, providing durable corrosion protection for inland, semi-urban, and standard rooftop or ground-mount solar installations. Available in the full M8–M14 size range with assembled or individually supplied components.Features
- Zinc barrier coating applied via full hot-dip galvanising process
- Complete range: hex bolts, hex nuts, plain washers, and spring washers
- Oversized OD washers available on request for load distribution
- Cost-effective corrosion protection for standard inland installations
Specifications
| Size Range | M8, M10, M12, M14 |
|---|---|
| Length Range | 20mm – 40mm |
| Coating | Hot-Dip Galvanised (HDG) |
| Standard | DIN 933 / IS 1367 (bolts), DIN 934 / IS 1364 (nuts), DIN 125 (washers), DIN 127 / IS 3063 (spring washers) |
Material Options
- Mild Steel, Hot-Dip Galvanised
Applications
- Inland and semi-urban rooftop solar installations
- Ground-mount solar structure assembly
- Standard-environment MW-scale solar EPC projects
HDG Product Range
| Product | Size / Details |
|---|---|
| Hex Bolts | M8–M14, Length 20–40mm, DIN 933 / IS 1367, full thread |
| Hex Nuts | M8–M14, DIN 934 / IS 1364, full hex nut matching bolt range |
| Plain Washers (2 per set) | M8–M14, DIN 125 — one under bolt head, one under nut |
| Spring Washers | M8–M14, DIN 127 / IS 3063, split lock washer for vibration resistance |
| Circular Oversized OD Washers (on request) | M8–M14 bore, custom OD — for load distribution across rail and thin sheet metal |
Supply Options
| Assembled Set | Bolt + Nut + 2x Plain Washer + Spring Washer, pre-assembled — best for site installation teams needing faster on-site work |
|---|---|
| Individual Components | Each part ordered separately in any quantity — best for contractors managing their own kitting and inventory |
Solar Structure HDG Bolt Sets: Enquiry and Selection
Quick product enquiry: WhatsApp us about Solar HDG Fastener Sets with your size, finish and quantity, or use the quotation form linked below.
Hot-dip galvanised (HDG) bolt, nut and washer components are commonly specified for rooftop and ground-mounted solar structures. For a complete set, confirm the bolt thread, nut compatibility, washer dimensions, fastener property class and the project's coating specification rather than selecting only by nominal size. Galvanising can affect thread fit, so a correctly matched nut-and-bolt combination matters.
HDG Fastener Quotation Checklist
- Solar structure drawing or bill of quantities, bolt diameter and length
- Required bolt and nut grades, coating and relevant project standard
- Number and type of plain/spring washers per set, including any oversized outside diameter
- Individual parts or complete sets, total quantity and project delivery destination
Confirm the project-approved fastener and coating system for the service environment, especially near the coast. Compare Stainless Steel Solar Fasteners where specified, and browse our Solar Fasteners range.
Solar EPC or project purchase? Send the HDG fastener BOQ, size, grade and quantity for a Chennai quotation. Availability and compliance are confirmed for each enquiry.
Contact Bharat Industrial Fasteners for pricing, custom sizes, and bulk order quotes on hot-dip galvanised (hdg).