Steel Self Drilling Screw With Black Phosphate Finish Modified Truss Head For A Low Profile Look Phillips Drive No 2 Drill Point Thread Size Eight To Eighteen Three Quarter Inch Long Pack Of One Hundred

Black Phosphate Self-Drilling Screws, 3.75 in, 100-Pack
✔️ Steel self-drilling screws, modified low-profile truss head

These steel self-drilling screws are designed for metal-to-metal fastening with no pre-drilling, offering strong holding power and corrosion resistance thanks to the black phosphate finish. They’re ideal for HVAC, metal roofing, metal enclosures, and structural metalwork where a low-profile look matters.

✅ Thread size: 8-18
✅ Length: 3.75 in (95.25 mm)
✅ Drill point: No 2 Phillips drive
✅ Head: Modified truss, low-profile with integral washer
✅ Finish: Black phosphate for corrosion resistance
✅ Drive type: Phillips with x-slot to prevent over-tightening
✅ Pack: 100 screws

💡 What is a self drilling screw used for in metal projects? Self-drilling screws are handy when you need fast assembly without pre-drilling.
- Quick drilling and threading in one pass - Eliminates pre-drilling for many metal-to-metal jobs - Provides strong, durable joints with good holding power - Suitable for HVAC, roofing, and enclosures