Description
The 304 Stainless Steel Expansion Bolt is a high-strength fastener specifically designed for secure anchoring in concrete, brick, or stone structures. Also known as an expansion screw, this powerful bolt is designed with a unique expansion mechanism that provides an incredibly strong grip, provides a reliable and easy-to-install solution for heavy-duty applications. Conforming to the Chinese national standard GB/T 22795-2008, it combines the corrosion-resistant properties of 304 stainless steel with a specialized expansion system to deliver long-lasting and robust performance in demanding environments. The Stainless Steel Expansion Bolt is ideal for ensuring the stability and safety of installations in concrete and masonry, providing an essential component for securing machinery, equipment, and structural elements in construction, industrial, and engineering applications.
Features & Benefits
- Exceptional Corrosion Resistance: Made from 304 stainless steel, this expansion bolt is highly resistant to rust and oxidation, making it suitable for both indoor and demanding outdoor applications.
- Superior Holding Power: The robust expansion mechanism provides a powerful, non-slip grip within solid materials, ensuring the stability and safety of your installation.
- High Strength & Durability: With its high hardness and resistance to deformation, this fastener delivers a strong, reliable anchor point that will not fail under load.
- Easy & Secure Installation: Featuring standard hexagonal parts and deep, uniform threads, the bolt can be easily and securely tightened to achieve maximum clamping force without the risk of slippage.
Specification
|
Conventional type |
L-Total length |
1- Casing length |
D- Screw diameter |
d- Casing diameter |
Punch size |
|
M6*50 |
50 |
30 |
6 |
8 |
Drill holes with an 8mm drill bit |
|
M6*60 |
60 |
40 |
6 |
8 |
|
|
M6*70 |
70 |
50 |
6 |
8 |
|
|
M6*80 |
80 |
60 |
6 |
8 |
|
M8*60 |
60 |
40 |
8 |
10 |
Drill holes with an 10mm drill bit |
|
M8*70 |
70 |
50 |
8 |
10 |
|
|
M8*80 |
80 |
60 |
8 |
10 |
|
|
M8*100 |
100 |
80 |
8 |
10 |
|
|
M8*120 |
120 |
90 |
8 |
10 |
|
|
M10*60 |
60 |
35 |
10 |
12 |
Drill holes with an 12mm drill bit |
|
M10*70 |
70 |
45 |
10 |
12 |
|
|
M10*80 |
80 |
50 |
10 |
12 |
|
|
M10*100 |
100 |
70 |
10 |
12 |
|
|
M10*120 |
120 |
90 |
10 |
12 |
|
M12*80 |
80 |
50 |
12 |
14 |
Drill holes with an 14mm drill bit |
|
M12*100 |
100 |
70 |
12 |
14 |
|
|
M12*120 |
120 |
90 |
12 |
14 |
|
M14*100 |
100 |
60 |
14 |
18 |
Drill holes with an 18mm drill bit |
|
M14*120 |
120 |
80 |
14 |
18 |
|
|
M14*150 |
150 |
100 |
14 |
18 |
|
M16*100 |
100 |
60 |
16 |
20 |
Drill holes with an 20mm drill bit |
|
M16*120 |
120 |
80 |
16 |
20 |
|
|
M16*150 |
150 |
100 |
16 |
20 |
|
M20*150 |
150 |
90 |
20 |
25 |
Drill holes with an 25mm drill bit |
|
M20*200 |
200 |
140 |
20 |
25 |
|
|
M20*250 |
250 |
190 |
20 |
25 |




