Your Trusted Partner in Bolts, Fasteners & Industrial Supplies
Boltech International is a leading manufacturer and supplier of anchor bolts, studs, nuts, washers, and construction fasteners. With a commitment to quality, reliability, and on-time delivery, we serve industries across the globe with products built to international standards.
Boltech Technical Catalogue
Explore our comprehensive technical reference covering industrial fasteners, materials, coatings, standards, specifications and engineering solutions.
TECHNICAL CATALOGUE
FASTENING SOLUTIONS
ENGINEERING • QUALITY • RELIABILITY
Everything you need in one technical resource.
Access detailed information about Boltech International's fastening solutions and the technical requirements relevant to industrial, construction and infrastructure applications.
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Technical Documentation
Download detailed technical specifications and data sheets for our fastening solutions.
Hollo Bolt – Technical Data Sheet
Comprehensive technical information including dimensions, material grades, standards, and application guidance.
Tension Control Bolt Technical Data
Detailed technical documentation for Boltech International Tension Control Bolt Assemblies manufactured to ASTM F3125 requirements.
Tension Control (TC)
Bolt Assemblies
Comprehensive technical documentation covering Tension Control Bolt Assembly configurations, dimensional specifications, thread details, grades, finishes and manufacturing requirements.
Engineering Excellence Through Innovation
Boltech International combines advanced manufacturing, experienced professionals, and premium products to deliver world class fastening solutions.
State of the Art Facilities
Our advanced manufacturing facilities are equipped with modern machinery and precision technology to produce standard and customized fastening solutions.
- Advanced Manufacturing Equipment
- In House Testing Laboratory
- Strict Quality Assurance Processes
Expert Engineering Team
Our engineers, technicians, and support specialists bring decades of experience in industrial fastener manufacturing and supply.
- Experienced Industry Professionals
- Technical Consultation & Support
- Customer Focused Approach
Premium Product Portfolio
We manufacture and supply a comprehensive range of bolts, nuts, washers, anchor bolts, studs, and customized fastening solutions.
- Standard & Custom Fasteners
- International Quality Standards
- Global Industrial Applications
Why Choose Boltech International?
Trusted worldwide for delivering fastening solutions with precision, compliance, and unmatched reliability.
Global Compliance
Products engineered to ASTM, DIN, ISO, EN, and ASME standards — globally recognized and trusted.
Advanced Facilities
Cutting-edge forging, machining, and testing facilities that guarantee precision and durability.
Certified Quality
ISO 9001:2015, ISO 14001:2015 & OHSAS 18001:2007 certified with rigorous in-house inspections.
On-Time Delivery
Strong supply chain and logistics network ensure on-time, hassle-free deliveries worldwide.
Precision Engineered. Quality Assured.
From raw material selection to final inspection, every Boltech product undergoes a rigorous manufacturing and quality control process.
Raw Material Verification
All incoming materials undergo strict chemical and dimensional inspections.
Forging & Machining
Advanced forging and machining facilities ensure precision manufacturing.
Thread Rolling
State of the art thread rolling technology guarantees accuracy and durability.
Quality Inspection
Products are inspected and tested in our in house quality control laboratory.
Packaging & Delivery
Products are securely packed and delivered worldwide with complete documentation.
Custom Fasteners Engineered for Your Project
Every project has unique requirements. Boltech International specializes in manufacturing custom bolts, studs, anchor bolts, and fastening solutions designed to meet exact project specifications and industry demands.
Custom Anchor Bolts
Special Stud Bolts
Non Standard Fasteners
100%
Customized SolutionsMaterial Grades & Technical Specifications
Engineered to international standards with complete traceability, certified materials, and rigorous quality assurance processes.
Material Grade Reference
International material standards and equivalencies.
| ASTM A36 | F1554 Gr.36 | F1554 Gr.55 | F1554 Gr.105 |
|---|---|---|---|
| A307 Gr. A | A307 Gr. B | A675 Gr.90 | A572 Gr.50 |
| ST 52-3 | Gr.50 C | S275JR | S355JR |
| 4.8 | 8.8 | 10.9 | 12.9 |
| A193 B7 | A193 B7M | A320 L7 | A320 L7M |
| SS316 | SS316L | SS304 | SS304L |
| A325 | A325M | A490 | A490M |
Standards
ASTM, ASME, DIN, BS, EN, ISO & JIS compliant.
Materials
Carbon Steel, Alloy Steel, Mild Steel & Stainless Steel.
Size Range
M6 to M150 and 1/4" to 6".
Coatings
HDG, Zinc Plating, Teflon, Tectyl, Zinc Nickel & more.
Built to International Standards
Every product manufactured and supplied by Boltech International complies with globally recognized standards, ensuring reliability, safety, and exceptional performance across industries.
American Standards
Compliance with internationally accepted ASTM specifications for industrial fasteners.
German Standards
Products manufactured according to strict German engineering standards.
International Standards
Quality systems and products developed according to global ISO requirements.
Engineering Standards
Designed and manufactured to meet demanding ASME engineering specifications.
European Standards
Products fully aligned with European quality and safety requirements.
British Standards
Fasteners produced in accordance with established British specifications.
Our Impact in Numbers
Delivering excellence in fastening solutions with proven performance and trusted partnerships.