8.8 High Tensile Bolt
8.8 High Tensile Bolt Manufacturer

Maa Engineering is a trusted manufacturer of 8.8 High Tensile Bolts, providing superior quality fasteners to industries across Kolkata, West Bengal, Odisha, Bihar, Jharkhand, and Assam. Our products are engineered for exceptional performance, ensuring durability and reliability in demanding applications.
Product Description
The 8.8 High Tensile Bolt is a fastener made from alloy steel, known for its high strength and durability. The “8.8” classification represents a tensile strength of 800 MPa and a yield strength of 640 MPa, making it suitable for high-stress environments.
- Material: Alloy steel with heat treatment for added strength
- Finish: Black oxide, zinc-coated, or galvanized for corrosion resistance
- Threading: Precisely cut for seamless compatibility
- Applications: Ideal for heavy-load applications in construction, automotive, and machinery
What is the Difference Between 8.8 High Tensile Bolt and Other High Tensile Bolts?
Strength:
- 8 High Tensile Bolt: Designed for moderate to high-load applications with 800 MPa tensile strength.
- 9 and 12.9 Bolts: Offer even higher tensile strengths for extreme-load conditions.
Material Composition:
- 8 Bolts: Made from medium carbon steel or alloy steel.
- Higher Grades: May include advanced alloy compositions for increased hardness and load-bearing capacity.
Applications:
- 8 Bolts: Suitable for structural applications and machinery.
- Higher Grades: Used in aerospace, critical automotive components, and heavy machinery.
Cost:
- 8 Bolts: More economical compared to higher-grade bolts.
Where Can We Use 8.8 High Tensile Bolts?
- Construction Industry: Steel frameworks, bridges, and structural reinforcements.
- Automotive Sector: Suspension systems, engine components, and chassis assembly.
- Machinery: Heavy-duty equipment and industrial machines.
- Power Plants and Infrastructure: Assembly of critical structures requiring high strength.
Types of Nut Bolts
Maa Engineering manufactures a wide range of bolts, including:
- Hex Bolts: Standard bolts for general applications.
- Flange Bolts: Distributes load evenly for structural applications.
- Anchor Bolts: Secures structures to concrete.
- Stud Bolts: Used in flange connections in piping systems.
- Carriage Bolts: Ideal for wood and metal connections.
Sizes:
- Standard and custom sizes ranging from M5 to M64 and lengths up to 500 mm.
For durable and reliable 8.8 High Tensile Bolts, choose Maa Engineering. Our expertise, advanced facilities, and commitment to quality ensure products that exceed your expectations. Contact us today to discuss your requirements and find the perfect fastening solutions for your projects.