Built Tough Steel Thread Cutting Screw With Zinc Plated Finish, Serrated Hex Washer Head, Slotted Drive, Type F, Three Eighths Inch by Sixteen Thread Size, One and a Half Inch Length, Pack Of Ten

Heavy-Duty Zinc Thread Cutting Screw 3/8-16 x 1-1/2 Pack of 10
✔️ 3/8-16 thread, 1.5 in long (9.5 mm dia), zinc plated

These steel thread cutting screws are designed to join metal parts in automotive, machinery, and general construction. The zinc plating provides corrosion resistance and the slotted drive is compatible with flat blade drivers.

✅ 3/8-16 thread size (9.5 mm dia)
✅ 1-1/2 in length (38.1 mm)
✅ Zinc plated finish for corrosion resistance
✅ Serrated hex washer head for grip and anti-loosening
✅ Slotted drive for flat-blade tools

💡 What is a thread cutting screw used for in metalworking and assembly?

Thread cutting screws are handy for creating threads directly in metal, allowing quick, secure assemblies without pre tapping. - used for joining metal parts in automotive, machinery, and DIY projects - creates threads directly in softer metals to accept fasteners - serrated hex washer head helps resist loosening under vibration - zinc plating adds corrosion resistance for outdoor use