Restricted Entry Screw YDYM-1-632-0/1/2/3 Spring Screw Aluminum Alloy Captive Screw

Yaoda Hardware produces various types of captive screws/spring screws, categorized by riveting methods:

Expansion riveting captive screw models: YD09 YD10 YD15 YD25 YD41 YD42; YD-4C

Press riveting captive screw models: YD11 YD12 YD31 YD32 YD21 YD22 YD50 YD51 YDC2 YDS2;

Captive screws are categorized by spring type:

Externally exposed spring models: YD31 YD32 YD50 YDC2 YDS2;

Internally built-in spring models: YD15 YD25 YD09 YD10 YD11 YD12 YD21 YD22

Materials include: Carbon steel, Stainless steel, Aluminum

The fixing methods for captive series products can be divided into different installation methods based on their various application scenarios:

• Self-clinching (or press-in type): Simple one-step pressing operation, commonly used in the metal sheet processing industry.
• Expansion (break) type (or: expansion riveting type): Requires less installation force, especially suitable for flanged installation or thin panel installation.
• Floating type: Provides additional radial float to compensate for large misalignment tolerances.
• Snap-in type: Manual installation without the need for special tools.
• PCB board type: Specifically designed for use with printed circuit boards and other composites (such as fiberglass).
• Surface Mount Technology (SMT): An innovative installation method for printed circuit boards (PCBs) that allows for automated installation and avoids potential damage to the circuit board that may occur with traditional installation methods.