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Definition: The term “binder head” refers to an obsolete name for a pan head screw.
Detailed Description:
- Binder Head (Pan Head Screw):
- Description: A pan head screw has a rounded, slightly domed head with a flat top. It typically has a larger surface area compared to other screw heads, which helps distribute the clamping force and provides a broad bearing surface.
- Features: The head of a pan head screw is usually designed to be driven by a flat-blade or Phillips screwdriver, depending on the type of drive slot.
- Applications:
- General Use: Pan head screws are used in various applications where a strong and secure fastening is needed, often in electronics, machinery, and furniture assembly.
- Visibility: Due to their head design, pan head screws are often used in applications where the screw head will be visible and needs to provide a neat appearance.
- Historical Context:
- Obsolete Term: The term “binder head” is now largely obsolete and has been replaced by the more commonly used term “pan head” in modern terminology. The change reflects the evolution of screw nomenclature and standardization.
Summary:
The binder head is an outdated term for a pan head screw, which features a rounded, domed head with a broad bearing surface. Pan head screws are used for various fastening applications and are designed to be driven with flat-blade or Phillips screwdrivers. The term “binder head” has been largely replaced by “pan head” in contemporary usage.
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