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.
Parameter Information
Brand name |
Expansion bolt |
Standard |
GB22795 |
Wood quality |
304 stainless steel |
Type |
External expansion screw |
Surface treatment |
Stainless steel washing |
Packaging |
Packaging bag + carton packaging |
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 |