Common Types:
- Machine screws: Used with pre-tapped holes or nuts
- Self-tapping screws: Cut threads in the material
- Self-drilling screws: Include drill point; no pre-drilling needed
- Socket head cap screws: High-strength with internal drive
Materials:
- Hardened steel
- Stainless steel
- Coated carbon steel (zinc, black oxide)
Applications:
- Light to medium-duty steel connections
- Sheet metal assembly
- HVAC systems, enclosures
Advantages:
- Quick installation
- Often eliminate need for nuts
- Cost-effective in lighter applications
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