What are the parts of a mortar rake?
Repair tool

What are the parts of a mortar rake?

Various mortar rakes are available with slight design variations.

mortar rake shank

The green circles are highlighted by the shank, which is the part of the mortar rake that connects to the power tool.
The shank is either clamped with a drill chuck ...
…or screwed onto the spindle of an angle grinder…
…or the shank is screwed onto an adapter, which in turn is screwed onto the SDS plus drill.

Shank size

The small arrows on the left indicate the width of the shank. This width is usually measured in millimeters, abbreviated with the letter "M" and is called the "thread" size. Most mortar rakes are designed to be mounted on small angle grinders that use a 14mm mortar rake designated "M14".

The width corresponds to the thread pattern either inside the rod (“internal” thread)….
…or on the outside of the shank (“outside” thread) of the mortar rake.

Mortar rake cutting/grinding section

The cutting or grinding part of the tool is highlighted in yellow. There are many design options for the cutting or grinding sections of a mortar rake, but all are designed to be placed in mortar channels between brick and masonry. Their cutting/grinding sections are small in diameter, allowing them to move up and down as well as along the mud channels.
The cutting-grinding part of the mortar rake consists of either grooves (right) or a corrugated surface (left).

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