Description
The 304 Stainless Steel Butterfly Screw is a uniquely designed threaded fastener with a butterfly-shaped head that allows for easy manual tightening and loosening. This design eliminates the need for tools, making it ideal for applications where frequent adjustments or disassembly is necessary. Made from high-quality 304 stainless steel, these machine screws are durable, corrosion-resistant, and perfect for a variety of industries and DIY projects. With its practical design and reliable performance, the butterfly screw is the perfect choice for quick, tool-free fastening. Whether you're working in industrial machinery, automotive, or home projects, these butterfly screws ensure a secure, efficient, and long-lasting solution for all your fastening needs.
Features & Benefits
- Superior Corrosion Resistance: Made from 304 Stainless Steel, the screw boasts high wear resistance, strong oxidation resistance, and will not rust in humid or corrosive environments.
- Tool-Free Operation: The large wing head allows for rapid tightening and loosening by hand, significantly speeding up assembly and disassembly processes.
- Durability and Strength: Offers high tensile strength, ensuring long-lasting performance even under repeated use.
- Reliable Threading: Features a deep screw thread for uniform force and a secure, dependable lock.
Specification
|
Nominal diameter-d |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
|
|
Pitch -p |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
|
|
dk |
max |
7.9 |
8 |
11 |
13 |
16 |
20 |
|
min |
7 |
6 |
8 |
10 |
13 |
17 |
|
|
D2 |
max |
7.5 |
7 |
9 |
11 |
12.5 |
16.5 |
|
min |
6.5 |
5.5 |
7.5 |
9 |
10.5 |
14.5 |
|
|
H |
max |
19 |
20 |
26 |
33 |
39 |
51 |
|
min |
16 |
18 |
24 |
30 |
36 |
48 |
|
|
h |
max |
4 |
4.6 |
6.5 |
8 |
10 |
12 |
|
min |
3.3 |
3.2 |
4 |
5 |
6.5 |
8 |
|
|
y |
max |
3 |
1.6 |
2.3 |
2.3 |
2.8 |
4.4 |
|
min |
2.5 |
1.1 |
1.5 |
1.5 |
2 |
3.6 |
|
|
k |
max |
9.3 |
10.5 |
13 |
17 |
20 |
25 |
|
min |
8.3 |
8.5 |
11 |
15 |
18 |
23 |
|
