
Self Drilling Screw , Iran
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The self-tapping self-drilling screw is a mechanical fastener with an integrated drill tip and self-tapping threads, enabling simultaneous drilling and threading into metal sheets and profiles. Diameter ranges from 3 to 10 mm, with lengths from 12 to 150 mm. Made from hardened carbon steel or stainless steel A2/A4, tensile strength ranges from 500–800 MPa. The screw head can be Phillips, hex, or slotted, allowing fast installation with manual or power tools. Galvanized, epoxy, or chrome surface coating increases corrosion and wear resistance.
The drill tip, angled 60–90 degrees, allows drilling without pre-holes. Threads are precisely designed for strong and uniform connections in steel sheets 0.5–6 mm thick. Common applications include metal structures, warehouses, sandwich panels, and industrial profiles. Optimized mechanical design and protective coating extend service life and reduce maintenance requirements.You can order and buy Self Drilling Screw from Iran by contacting us through whatsaap and email.
WEBSITE: Self Drilling Screw Iran
Types of Self-Drilling Screws and Standard Sizes in iran
Self-drilling screws are classified by head type, material, and application: hex head, pan head, and flat head. Hex head screws are used in industrial and machinery connections, pan head for metal sheets and light structures, and flat head for surface or concealed joints. Common materials include carbon steel, alloy steel, and stainless steel A2 and A4. Standard sizes are defined by screw diameter and length common diameters range from M3 to M12 and lengths from 10 to 100 mm. Selecting the appropriate size according to sheet thickness and applied load ensures joint safety and durability.






