What Are DIN315 Butterfly Wing Nut?

A DIN 315 Butterfly Wing Nut, also known simply as a Butterfly Nut or Wing Nut, is a type of fastener with a unique design that allows for hand tightening and loosening without the need for tools. It is named after its distinctive wing-like projections, which provide an easy grip for manual operation.

Here are the key features of a DIN 315 Butterfly Wing Nut:

Design: The nut has two opposing “wings” or “ears” protruding from the head. These wings are meant to be easily grasped and turned by hand, making it convenient to tighten or loosen the nut without the use of tools.

Application: Butterfly wing nuts are commonly used in applications where frequent adjustments or quick assembly and disassembly are required. They are often used in furniture assembly, equipment with removable panels, and other situations where hand-tightening is more convenient than using tools.

Material: Like other nuts, butterfly wing nuts can be made from various materials such as steel, stainless steel, brass, or other metals, depending on the application and environmental conditions.

DIN standard: The designation “DIN 315” refers to the specific standard that governs the dimensions and specifications of this type of wing nut. The DIN (Deutsches Institut für Normung) standards are widely used in Germany and other countries as guidelines for industrial product design and manufacturing.

Thread type: Butterfly wing nuts are available in different thread types (e.g., metric, UNC, or UNF), allowing them to be used with bolts or threaded rods of corresponding thread pitch and diameter.

It’s worth noting that while butterfly wing nuts are convenient for hand-tightening and loosening, they may not offer the same level of clamping force as traditional nuts when securely tightened with tools. Therefore, they are more suitable for applications where frequent adjustments or temporary connections are required. For permanent or heavy-duty applications, traditional nuts and wrenches or other appropriate tools are recommended.

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