Pro Grade Self Drilling Screws Kit For Metal And Sheet Metal 140 Pcs Black TEK Self Tapping Deck Screws With Drill Point 8 Gauge X 1/2 To 2 Inches Phillips Drive Modified Truss Head Assortment For Metal Wood Projects

High-Grade M4.2 Self-Drilling Screws Kit for Metal
✔️ 140-Pcs M4.2 wafer head self-drilling screws, mixed lengths

These self drilling screws are designed for fast, reliable fastening in metal, wood, plastic, and sheet metal projects. The set includes multiple lengths (13-50 mm) with a black oxide finish for corrosion resistance, stored in a sturdy box for easy organization on every job site.

✅ M4.2 x 13mm ( #8 x 1/2") 20 PCS
✅ M4.2 x 16mm ( #8 x 5/8") 20 PCS
✅ M4.2 x 19mm ( #8 x 3/4") 30 PCS
✅ M4.2 x 25mm ( #8 x 1") 25 PCS
✅ M4.2 x 32mm ( #8 x 1-1/4") 15 PCS
✅ M4.2 x 38mm ( #8 x 1-1/2") 15 PCS
✅ M4.2 x 50mm ( #8 x 2") 15 PCS
✅ Total: 140-Pcs/Set

💡 What is a self drilling screw used for in metalworking projects? A handy fastener that drills its own hole and creates threads as it goes, saving time and labor. - Quick metal-to-metal joins - Eliminates pre-drilling for many sheet metal tasks - Works with wafer head or modified truss head for flush finishes - Use carbon steel for strength; 304 stainless is preferred in humid environments to prevent rust