If you’re looking for high-performance fasteners that deliver exceptional durability and corrosion resistance, DIN 933 A2-70 Hexagon Head Bolts from Bigboltnut are your ideal choice. These bolts are manufactured in compliance with DIN 933 standards and made from premium-grade A2 (304) stainless steel, offering superior mechanical strength for demanding applications.
What Is an A2-70 Hex Bolt?
The A2-70 hexagon head bolt is a stainless steel fastener classified under the A2 category of austenitic steel and graded for a minimum tensile strength of 700 MPa. This makes it an excellent option for both indoor and outdoor environments where strength and corrosion resistance are critical.
Key Specifications and Features
- Material: A2 Stainless Steel (Grade 304)
- Tensile Strength: 700 MPa minimum
- Head Type: Hexagon head for secure tightening
- Corrosion Resistance: Excellent, ideal for harsh and moist environments
- Standards: Conforms to DIN 933
- Threading: Precision threaded for reliable fastening
Applications of A2-70 Hex Bolts
These bolts are widely used across a range of industries, including:
- Construction and Structural Engineering: Ideal for frameworks, bridges, and steel structures
- Automotive & Machinery: Suitable for engines, heavy equipment, and mechanical joints
- Marine & Offshore: Withstands saltwater exposure and marine climates
- Chemical & Food Industries: Safe for sensitive environments, corrosion-proof
- General Industrial Use: Reliable for repairs, maintenance, and fabrication work
Whether for a large-scale infrastructure project or everyday industrial maintenance, A2-70 hex bolts deliver unmatched performance.
Hex Bolts vs. Hex Screws
Both A2-70 hex bolts and screws feature a six-sided head that supports high torque applications. However, the main difference lies in their installation:
Hex Bolts require nuts for secure fastening through components.
Hex Screws can be threaded directly into pre-tapped holes for self-locking assembly.
Why Choose Bigboltnut?
At Bigboltnut, we are committed to delivering fasteners that meet global quality benchmarks. Our A2-70 hex bolts are:
- Manufactured using certified A2 stainless steel
- Compliant with DIN 933 dimensions and strength standards
- Available in a wide range of sizes and custom specifications
- Tested for strength, durability, and corrosion resistance
- Shipped worldwide with reliable delivery timelines
With a focus on quality, performance, and customer satisfaction, Bigboltnut has become a trusted name for industrial fasteners across global markets.
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