The 304 Stainless Steel Butterfly Screw is a type of threaded fastener characterized by a unique head shaped like a butterfly or wings, designed for manual tightening and loosening without the need for tools. Stainless Steel Butterfly Screws are practical, corrosion-resistant fasteners that offer convenience and ease of use for a variety of industries, particularly in situations requiring frequent disassembly or adjustment. These butterfly screws are widely used across various industries and for DIY projects.
Parameter Information
Brand name |
Butterfly screw |
Head shape |
Butterfly round |
Category |
Machine screw |
Wood quality |
304 stainless steel |
Standard type |
National standard |
Surface treatment |
Stainless steel washing |
Packaging |
Packaging bag + carton packaging |
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 |