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The Copper Machine Screw is a premium fastening choice crafted for specialized applications where electrical conductivity or corrosion resistance is required. Made from high-quality copper, this screw not only provides excellent thermal and electrical conductivity but also boasts superior resistance to corrosion in environments such as marine or chemical processing facilities. Its precise threading and durable construction ensure reliable performance in securing components with ease and efficiency. Ideal for electrical projects, plumbing, and decorative applications, the Copper Machine Screw offers an aesthetically pleasing look while maintaining the functionality essential for technical projects. Its distinct properties make it an indispensable component for industries that require non-magnetic, corrosion-resistant fastening solutions.
Thread size (d) | |||
P | Pitch | ||
dt | Maximum | ||
Minimum | |||
e | Nominal | ||
s | Maximum | ||
Minimum | |||
Minimum | Short screw | ||
t | Long screw | ||
Minimum | |||
L0 ② | Nominal | ||
Thousand pieces of steel weigh ≈ kg |
Thread size (d) | |||
P | Pitch | ||
dt | Maximum | ||
Minimum | |||
e | Nominal | ||
s | Maximum | ||
Minimum | |||
Minimum | Short screw | ||
t | Long screw | ||
Minimum | |||
L0 ② | Nominal | ||
Thousand pieces of steel weigh ≈ kg | |||
①, df ≈ thread diameter ②, When L≤L0, it is a short screw; when L>L0, it is a long screw. |
M1.4 | M1.6 | (M1.8) | M2 | M2.5 | M3 | M4 | M5 | M6 |
0.3 | 0.35 | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 |
- | - | - | - | - | - | - | - | 1.5 |
- | - | - | - | - | - | - | - | 0.9 |
0.803 | 0.803 | 0.803 | 1.003 | 1.427 | 1.73 | 2.3 | 2.87 | 3.44 |
0.7 | 0.7 | 0.7 | 0.9 | 1.3 | 1.5 | 2 | 2.5 | 3 |
0.724 | 0.724 | 0.724 | 0.902 | 1.295 | 1.545 | 2.045 | 2.56 | 3.08 |
0.711 | 0.711 | 0.711 | 0.889 | 1.27 | 1.52 | 2.02 | 2.52 | 3.02 |
0.6 | 0.7 | 0.8 | 0.8 | 1.2 | 1.2 | 1.5 | 2 | 2 |
1.4 | 1.5 | 1.6 | 1.7 | 2 | 2 | 2.5 | 3 | 3.5 |
2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 4 | 5 | 6 |
- | - | - | - | - | - | - | - | - |
M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 |
1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
2 | 2.5 | 3 | 4 | 4 | 5 | 5 | 6 | 6 |
1.4 | 1.9 | 2.4 | 3.25 | 3.25 | 4.25 | 4.25 | 5.25 | 5.25 |
4.58 | 5.72 | 6.86 | 6.86 | 9.15 | 11.43 | 11.43 | 13.72 | 13.72 |
4 | 5 | 6 | 6 | 8 | 10 | 10 | 12 | 12 |
4.095 | 5.095 | 6.095 | 6.095 | 8.115 | 10.115 | 10.115 | 12.142 | 12.142 |
4.02 | 5.02 | 6.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 | 12.032 |
3 | 4 | 4.5 | 5.6 | 6.4 | 7.2 | 8 | 9 | 10 |
5 | 6 | 8 | 9 | 10 | 11 | 12 | 13.5 | 15 |
8 | 10 | 12 | 12 | 16 | 18 | 18 | 25 | 25 |
- | - | - | - | - | - | - | - | - |