knurl etymology

Etymology

The word "knurl" is derived from the Middle English word "knur", meaning a knot or knob. This word, in turn, is believed to have originated from the Proto-Germanic *knurr-, which means "knot" or "lump".

Meaning and Origin

A knurl is a small, textured surface that is created on a metal or other hard material by rolling or pressing a hardened tool into the surface. The resulting pattern of raised and recessed areas provides a non-slip grip and improves handling.

Knurling is a metalworking process that has been used for centuries. It is commonly used on tools, handles, and other objects that require a secure grip. Knurling can be applied to a variety of materials, including steel, aluminum, brass, and plastic.

Types of Knurling

There are two main types of knurling:

  • Straight knurling: This type of knurling creates a series of parallel, straight lines.
  • Diamond knurling: This type of knurling creates a pattern of intersecting diamond shapes.

The type of knurling used depends on the desired level of grip and the aesthetics of the object. Straight knurling provides a more aggressive grip, while diamond knurling is less aggressive and more decorative.

Applications

Knurling has a wide range of applications, including:

  • Tools: Knurling is used on handles of tools such as pliers, wrenches, and screwdrivers to improve grip and reduce slippage.
  • Handles: Knurled handles are used on a variety of objects, such as knives, flashlights, and pens, to provide a more secure grip.
  • Decorative purposes: Knurling can also be used for decorative purposes, such as on jewelry, belt buckles, and other items.

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