185 Pcs Self Tapping Screws for Metal,Self Drilling Screws for Steel

🔩【Structure & Function 】: Featuring a drill-shaped tip with cutting grooves or spiral flutes, drill point screws integrate drilling and tapping functions. 🔩【How to choose the size 】: Match screw length to material thickness,7 sizes: M4.2x13/16/19/25/32/38/50mm.

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