Beefy Heavy Duty Steel Thread Cutting Screw With Zinc Plated Finish, Serrated Hex Washer Head And Slotted Drive, Type F Point, Three Eighths Inch 16 Threads Per Inch, 1 Inch Long, Pack Of 10, For Heavy Gauge Metal, Aluminum, Cast Iron And Plastic

Heavy-Duty Zinc-Plated Steel Self-Tapping Screw 3/8in
✔️ 3/8 in dia, 1 in length, 16 TPI, Type F, slotted drive, zinc

These heavy-duty screws are self-tapping fasteners designed to cut their own threads in metal or plastic, ideal for heavy-gauge sheet metal, aluminum, cast iron, brass, and similar materials in automotive, HVAC, equipment, and fabrication projects.

✅ 3/8 in diameter
✅ 1 in length
✅ 16 TPI
✅ Type F point for heavy-gauge materials
✅ Slotted drive
✅ Serrated hex washer head improves grip and resists loosening
✅ Zinc plating provides corrosion resistance
✅ Pack of 10 screws

💡 What is a self-tapping screw used for in heavy gauge metal and plastic applications? This handy fastener creates threads in the material and provides a strong, permanent grip.
- Self-tapping action forms threads in metal or plastic
- Type F point aids starting in tough materials
- Serrated hex washer head resists loosening under load
- Zinc plating offers corrosion resistance for outdoor use