ISO 8677 Bolts Manufacturer, Exporter & Supplier in India
ISO 8677 Mushroom Head Square Neck Bolts (Carriage Bolts)
ISO 8677 Manufacturer, ISO 8677 Exporter & ISO 8677 Supplier in India
About Dipti Metal Industries
Founded in 2009 by Mr. Kumpsingh Rajput, Dipti Metal Industries is a leading ISO 8677 Manufacturer, ISO 8677 Exporter, ISO 8677 Stockist, ISO 8677 Dealer, ISO 8677 Supplier, and ISO 8677 Wholesaler of industrial fasteners. Based in Mumbai, India, we specialize in producing ISO 8677 Mushroom Head Square Neck Bolts (Carriage Bolts) and exporting them worldwide to over 40+ countries, including the USA, UK, Germany, France, Italy, UAE, Singapore, Japan, South Korea, Australia, Brazil, Mexico, and South Africa.
What Are ISO 8677 Bolts?
ISO 8677 defines Mushroom Head Square Neck Bolts, commonly known as Carriage Bolts.
Key Features:
-
Rounded mushroom-shaped head for smooth finish
-
Square neck beneath the head prevents bolt rotation during tightening
-
Designed for metric coarse threads as per ISO standards
-
Provides a secure fastening system in wood-to-metal and steel structures
Equivalent Standards
ISO 8677 bolts are interchangeable with other international norms, ensuring global compatibility:
-
DIN 603 (Germany)
-
CSN 021319 (Czech Republic)
-
PN 82406 (Poland)
-
UNI 5731 (Italy)
Technical Specifications
| Property | Details |
|---|---|
| Thread Sizes | M5 to M20 |
| Thread Pitch | 0.8 mm to 2.5 mm |
| Head Diameter (dk) | Up to ~46.8 mm |
| Square Neck Width (v) | Up to ~20.8 mm |
| Head Height (k) | Proportional to size |
| Materials | Carbon Steel, Alloy Steel, Stainless Steel (A2 / A4) |
| Grades | 4.6, 8.8, 10.9, 12.9, A2-70, A4-80 |
| Tolerance | Thread tolerance class 6g |
Materials & Finishes
We manufacture ISO 8677 carriage bolts in a wide range of materials and protective finishes:
-
ISO 8677 Materials: Carbon Steel, Stainless Steel A2 (304), Stainless Steel A4 (316), Alloy Steel
-
ISO 8677 Surface Finishes:
-
Black Oxide
-
Zinc Plated (Blue/Yellow/White)
-
Hot Dip Galvanized
-
Nickel or Chrome Plated
-
Teflon / PTFE Coated
-
Customized coatings on request
-
Applications of ISO 8677 Bolts
These bolts are widely used in both structural and industrial sectors:
-
Woodworking & Furniture: Prevents bolt turning when tightened into timber
-
Construction: Structural steel, bridges, decking, railways
-
Machinery & Equipment: Secure assemblies with vibration resistance
-
Agriculture: Used in farm machinery and fencing systems
-
Marine & Outdoor Structures: Corrosion-resistant applications
Why Choose Dipti Metal Industries?
-
🌍 Global Exporter since 2009 with worldwide delivery
-
🏭 Comprehensive Product Range covering bolts, nuts, screws, and washers
-
✅ Quality Assurance with ISO, DIN, UNI, CSN, PN compliance
-
📦 Export Ready Packaging: Wooden crates, cartons, pallets
-
⚡ On-Time Delivery from large stock inventory
-
💲 Competitive Pricing trusted by EPCs, OEMs, and distributors globally
Conclusion
If you are looking for ISO 8677 Mushroom Head Square Neck Bolts (Carriage Bolts) with reliable quality, certified standards, and global supply, trust Dipti Metal Industries — a leading ISO 8677 Manufacturer, ISO 8677 Exporter, ISO 8677 Stockist, ISO 8677 Dealer, ISO 8677 Supplier, and ISO 8677 Wholesaler of industrial fasteners from India.
