Stainless Steel Self-Drilling Screws
Product Overview
The hex flange head self-drilling screw, also commonly referred to as a self-tapping self-drilling screw or a tek screw, is a highly efficient fastener that integrates drilling, tapping, and fastening functions into one. It is engineered specifically for the rapid connection of metal sheets and light steel components. Without the need for pre-drilling, it can directly penetrate metal materials to complete installation, drastically simplifying the construction workflow. Widely applied in fields like construction, steel structures, and mechanical/electrical installations, it is an indispensable foundational hardware component in modern industrial and civil engineering.
Product Applications
Building Steel Structures: Fastening color steel tile roofing/walls and steel structure purlins.
Decoration Engineering: Installing light steel joist partition walls and suspended ceilings.
Mechanical, Electrical & Outdoors: Fastening ventilation ducts, cable trays, photovoltaic mounts, and billboards.
Industrial Scenarios: Assembling racks, equipment frames, and enclosures/cabinets.
Product Features
Efficient Construction: Equipped with its own drill point edge, it achieves a one-step operation of "drilling - tapping - fastening," drastically boosting installation efficiency.
Stable Fastening: The external hex head accommodates socket tools for stable torque transmission, and the integrated flange surface increases the contact area to prevent crushing and loosening.
Strong Engagement: The coarse-thread deep thread design provides powerful pull-out resistance, adapting to all types of metal sheets and light steel joists.
Durable & Rust-Resistant: Available in 410/304 stainless steel or galvanized carbon steel materials, it adapts to various operating environments such as outdoor and humid conditions.
| Material | 304 Stainless Steel |
| Surface Treatment | Passivated (Bright / Acid Cleaned) |
| Head Type | Hex Head |
| Drive Type | External Hex |
| Thread Type | Deep Thread |
| Screw Diameter | Approx. 4.8mm |
| Screw Length | 35mm |
| Screw Type | Self-drilling Screw |
| Corrosion Resistance | High (suitable for humid environments) |
| Applicable Tools | Wrench or power tools |

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malingfei@linghongscrew.com

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