WeLCOME TO RAVINA INDUSTRIES MANUFACTURER & eXPORTER of linkage parts
ASTM - Grade Fastener Manufacturer & Exporters
⚙️ ASTM-Grade Fastener Manufacturer & Exporters
We are a trusted manufacturer and exporter of ASTM-grade fasteners, supplying high-quality bolts, nuts, screws, and washers to industries worldwide. Our products are designed to meet ASTM (American Society for Testing and Materials) standards, ensuring superior strength, durability, and performance in critical applications.
🌐 About Us
With years of experience in the fastener industry, we specialize in producing ASTM-grade fasteners that comply with international quality standards. Our advanced manufacturing processes and stringent quality control measures ensure reliability and precision in every product.
🛠️ Our ASTM Fasteners Range
We offer a wide variety of ASTM-certified fasteners to suit diverse industrial applications:
ASTM A193 / A194 Bolts & Nuts – High-temperature and high-pressure applications
ASTM A325 / A490 Structural Bolts – Construction and infrastructure projects
ASTM A307 & A449 Carbon Steel Fasteners – General-purpose industrial use
ASTM Stainless Steel Fasteners – Corrosion-resistant solutions for chemical and marine industries
Custom Fasteners – Manufactured as per client specifications and ASTM standards
Our ASTM-grade fasteners are manufactured under strict quality protocols:
✔ ISO and ASTM certified production
✔ High tensile strength and hardness
✔ Precise threading and dimensions
✔ Corrosion-resistant coatings and finishes
✔ Tested for mechanical and chemical properties
Every fastener undergoes rigorous inspection and testing, ensuring long-lasting performance and safety in critical applications.
ASTM Bolts Reference Numbers & Specifications
ASTM A307 – Carbon Steel Bolts
Product Name: Hex Bolts, Stud Bolts
Grades: A, B
Application: General purpose, low-carbon steel bolting
Keywords: ASTM A307 bolt manufacturer, ASTM A307 hex bolt exporter
ASTM A325 – Structural High Tensile Bolts
Product Name: Heavy Hex Structural Bolts
Strength: High tensile structural fasteners
Application: Steel structures, bridges, buildings
Keywords: ASTM A325 structural bolt supplier, ASTM A325 heavy hex bolt
ASTM A490 – High Strength Structural Bolts
Product Name: Heavy Hex Bolts
Strength: Very high tensile
Application: Structural steel connections
Keywords: ASTM A490 bolt manufacturer, high strength structural bolts exporter
ASTM A193 – Alloy Steel & Stainless Steel Stud Bolts
Product Name: Stud Bolts
Grades: B7, B7M, B8, B8M
Application: High-temperature & high-pressure service
Keywords: ASTM A193 B7 stud bolt, ASTM A193 fasteners manufacturer
ASTM F1554 – Anchor Bolts
Product Name: Anchor Bolts
Grades: 36, 55, 105
Application: Foundations, civil construction
Keywords: ASTM F1554 anchor bolt supplier, foundation bolts manufacturer
ASTM Nuts Reference Numbers & Specifications
ASTM A194 – Carbon, Alloy & Stainless Steel Nuts
Product Name: Heavy Hex Nuts
Grades: 2H, 4, 7, 8, 8M
Application: Used with ASTM A193 stud bolts
Keywords: ASTM A194 2H nut manufacturer, ASTM heavy hex nuts exporter
ASTM A563 – Carbon & Alloy Steel Nuts
Product Name: Hex Nuts
Grades: A, B, C, DH
Application: Structural and general engineering
Keywords: ASTM A563 nut supplier, structural hex nuts manufacturer
ASTM F436 – Structural Washers
Product Name: Hardened Washers
Application: Used with A325 & A490 bolts
Keywords: ASTM F436 washer manufacturer, structural washer exporter
ASTM Stainless Steel Fasteners Standards
ASTM F593 – Stainless Steel Bolts
Product Name: Hex Bolts, Cap Screws
Grades: F593C, F593D
Keywords: ASTM stainless steel bolts manufacturer, ASTM F593 fasteners
ASTM F594 – Stainless Steel Nuts
Product Name: Hex Nuts
Grades: F594C, F594D
Keywords: ASTM stainless steel nuts exporter, ASTM F594 nut supplier
Industries We Serve
Oil & Gas Projects
Petrochemical & Refineries
Power Plants
Steel & Infrastructure
Marine & Offshore
Heavy Engineering
Why Choose Us as Your ASTM Fasteners Manufacturer?
✔ ISO Certified Manufacturing
✔ Precision-Engineered ASTM Fasteners
✔ Custom Sizes & Coatings Available
✔ Bulk Export Packaging
✔ Worldwide Export Capability
