Machine Screws
Machine Screws are precision fasteners used with pre-tapped holes or in
conjunction with nuts. They are widely employed in machinery, automotive,
electronics, and construction industries due to their high accuracy and
reliable fastening capabilities. Available in different head styles such
as pan, countersunk, and hex, machine screws provide strong and durable
joints for metal, plastic, and composite materials.
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Machine Screws Chemical Composition
| Element |
C |
Mn |
Si |
P |
S |
| Content (%) |
0.25 max |
1.40 max |
0.35 max |
0.040 max |
0.030 max |
Machine Screws Mechanical Properties
| Tensile Strength |
Yield Strength |
Shear Strength |
Elongation |
Hardness |
| 600 – 800 MPa |
320 MPa (min) |
250 – 450 MPa |
18% (min) |
Rockwell B80 – C20 |
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