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          Captive Panel Screw LPF50 LPF60 LPF52 PF62-1.png
          Captive Panel Screw LPF50 LPF60 LPF52 PF62-2.png
          LPF50-M3.5-0CN

          Captive Panel Screw-Low Profile Knob, Spring-loaded – LPF50/LPF60 Series

          Low-profile design satisfies many functional and cosmetic requirements.
          Type LPF50 with convenient large head and Phillips recess for tool or finger operation.
          Available with six-lobe recess.

          Installation:
          Must always be carried out using a squeeze action-nevr a shock loadPunch a hole in the metal sheet to the size recommended in our technical data tableDe-burring of the hole is not recommended.Apply pressure to the head of the fastener sufficient to totally embed the clinching ring aroundthe entire circumference and bring body in contact with the sheet.Insert fixing screw or bolt from side opposite to the fastener body.

          REQUEST SAMPLES
          TECHNICAL PARAMETER
          FAQ
          Thread Size M3.5x0.6
          Thread Code M3.5
          Screw Length Code 0.8 mm
          A Shank Max. 0.77 mm
          Min. Sheet Thickness 0.8 mm
          Hole Size in Sheet + 0.08
          		 5.56 mm
          C Max. 5.54 mm
          E ± 0.25 11.1 mm
          G ±0.64 5.48 mm
          H ± 0.2 5.26 mm
          P ± 0.64 0 mm
          T1 Max. 8.64 mm
          T2 Max. 13.21 mm
          Driver Size #2
          Min. Dist. Hole C/L to Edge 7.1 mm
          Cap Material Carbon Steel
          Material Retainer Carbon Steel
          Material Spring 300 Series Stainless Steel
          Screw Material Carbon Steel
          Finish Retainer Bright nickel over copper flash
          Finish Spring Natural Finish
          Optional Finish Knob – Black NitrideScrew – Black NitrideRetainer – Black Nitride
          Retainer Finish Bright Nickel over Copper Flash
          Screw Finish Bright nickel over copper flash
          Type Smooth Cap
          Installation Equipment/Method
          		 Self-Clinching
          Base Panel Material Aluminum, Steel
          Captive Panel Screw LPF50 data-1

            What Are Captive Panel Screws?

            Captive panel screw, also known as panel clamp fasteners or simply fixed screws, are a special fastener designed to improve the efficiency and reliability of panel assembly. Unlike traditional screws, fixed panel screws remain firmly fixed to the panel or cabinet even when completely loosened. This unique feature prevents the screws from being lost during maintenance or assembly, making them an indispensable component in a variety of industries.

            Set screws, including the popular 440 set screw, are essential for applications where secure, reusable and user-friendly fixation is important. They are designed to allow for easy removal and quick adjustment without worrying about misplacing the screw. This is especially useful in environments where panels need to be frequently maintained or upgraded, such as the electronics, automotive and aerospace industries.

            Captive panel screws do more than just provide convenience. They significantly increase assembly efficiency by ensuring that screws are always available and secured to the panel. Technicians can focus on their work instead of searching for lost screws, resulting in faster turnaround times and lower labor costs.

            In addition to the practical benefits, fixed panel screws also create a neater and more organized workspace. There is no need to deal with loose screws, minimizing the risk of contamination or damage to sensitive components. This is especially important in high-risk environments where precision and reliability are critical.

            In summary, self-drilling screws, including 440 type self-drilling screws and other models, are indispensable fasteners that provide a safe, efficient and user-friendly solution for panel fastening. Their ability to maintain connection during use not only prevents loss, but also improves overall production efficiency, making them the first choice for various industrial applications.