Heavy Duty Steel Self-Drilling Screw With Black Phosphate Finish, Modified Truss Head For Extra Wide Low Profile Washer, Phillips Drive, Point Size Two, Thread Size Eight To Eighteen, Length One And Five Eighths Inch, Pack Of Fifty

Heavy Duty Steel Self-Drilling Screw, Pack of 50
✔️ Black phosphate finish, wide low-profile washer, Phillips drive, 1-5/8 in

Heavy duty steel self-drilling screws are designed for metal-to-metal fastening, drilling their own pilot holes and forming threads as they go. This type of fastener is ideal for quick installations in metal panels, roofing, HVAC, and various sheet-metal applications where high strength is needed.

✅ Material: steel
✅ Finish: black phosphate for corrosion resistance and lubricity
✅ Head: modified truss head, extra-wide low-profile dome with integral washer
✅ Drive: Phillips with X-slot to prevent over-tightening
✅ Point size: 2
✅ Thread size: 8-18
✅ Length: 1-5/8 in (41.3 mm)
✅ Pack: 50 screws

💡 What is a self-drilling screw used for in metal assemblies?
A handy overview to help you decide if this type fits your project.
- It drills its own hole and threads as it goes, saving time on metal-to-metal installs.
- Handy for fast, clean panel joinery without pre-drilling.
- Provides a strong hold in thin metal sheets.
- Works with standard Phillips drivers for easy installation.