Description
The 316 Stainless Steel Outer A4-70 Hex Bolt is a high-performance fastener designed for use in applications requiring exceptional corrosion resistance, strength, and durability. With a tensile strength of 700 MPa, these bolts meet the DIN 933 standard and the A4-70 strength classification. The fully threaded design ensures a secure fit, and the outer hexagonal head allows for easy installation using standard tools. These bolts are ideal for demanding applications in industries where exposure to moisture, chemicals, or extreme conditions is common. Whether for use in marine environments, construction, chemical processing, or food processing industries, these A4-70 hex bolts offer an optimal solution for securing critical components.
Features & Benefits
- High wear resistance, corrosion resistance, no rust in humid environment, strong oxidation resistance
- High Strength Rating: The A4-70 strength class indicates a tensile strength of 700 MPa, ensuring the bolt can withstand significant loads and stress without deformation.
- Full Thread Design: The deep thread pattern ensures uniform force distribution across the bolt, improving its ability to handle various load conditions and preventing premature wear or loosening.
- Easy Installation: The hexagonal head allows for easy installation with commonly used tools, providing convenience during installation and maintenance. The standardized design reduces the risk of slippage, ensuring a secure fit every time.
Specification
|
Specification (d) |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
|
Pitch |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
1.75 |
2 |
2 |
|
Opposite side (s) |
7 |
8 |
10 |
13 |
17 |
19 |
22 |
24 |
|
Head thickness (k) |
2.8 |
3.4 |
4.1 |
5.3 |
6.8 |
7.5 |
9 |
10 |
|
Specification (d) |
M18 |
M20 |
M22 |
M24 |
M27 |
M30 |
M33 |
M36 |
|
Pitch |
2.5 |
2.5 |
2.5 |
3 |
3 |
3.5 |
3.5 |
4 |
|
Opposite side (s) |
27 |
30 |
32 |
36 |
41 |
46 |
50 |
55 |
|
Head thickness (k) |
12 |
12.5 |
14 |
15 |
17 |
19 |
21 |
23 |
FAQ
Q1: What does "A4-70" mean on a hex bolt?
A: "A4" refers to the material group, specifically 316 stainless steel, known for superior corrosion resistance. "70" refers to the strength class, indicating a minimum tensile strength of 700 MPa.
Q2: Is this hexagonal head bolt fully threaded?
A: Yes, this product features a full thread design which allows for uniform force distribution and better grip.
Q3: Can I use this bolt in humid or wet environments?
A: Absolutely. The 316 stainless steel construction ensures no rust in humid environments and provides strong oxidation resistance.
Q4. Can the A4 70 Hex Bolt handle heavy loads?
A: Absolutely. With a tensile strength of 700 MPa, it performs exceptionally well in demanding structural and industrial applications.
