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What are the parts of a pipe-cleaning brush?

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   Parts of a pipe cleaning brush including tip, head, bristles, core, stem, handle and loop

Head of a pipe-cleaning brush

head of pipe cleaning brush AKA tube brush, spiral brush, twisted brush The head includes the bristles and core of the pipe-cleaning brush. This is the part that cleans the pipe or fitting.
cylindrical or cylinder head of pipe cleaning brush AKA tube brush, twisted brush, bottle brush Most pipe-cleaning brushes have cylindrical heads…
Domed bristle pipe cleaning brush AKA twisted brush, spiral brush, bottle brush …but some have domed bristles at the tip of the brush…
Conical brush head of pipe cleaning brush AKA twisted brush, spiral brush …or are a conical shape…
Rectangular head of a pipe cleaning brush AKA tube brush, spiral brush, bottle brush …and sometimes rectangular.

Bristles of a pipe-cleaning brush

Bristles of a pipe cleaning brush AKA tube brush, spiral brush, twisted brush The bristles, also known as the ‘fill,’ are the functioning part of the tool. The tips, and sometimes the length of the bristles, provide abrasion to remove the sediment from the surface of the material being cleaned.
Crimped wire increase stability of the pipe cleaning brush (AKA tube, spiral or twisted brush) bristles. Bristles can be straight or crimped. Crimping increases the strength and durability of the bristles because the wires catch and stabilise each other.

Core of a pipe-cleaning brush

Twisted core of a pipe cleaning brush AKA tube brush, spiral brush, bottle brush The core is made of twisted metal strands that catch and hold the bristles tightly between them to form the head of the pipe-cleaning brush.
Two wires twisted together form a single-wound or single-spiral core of a pipe cleaning brush (twisted, spiral or tube brushes). It can be made of two wires twisted together known as ‘single-wound’ or ‘single-spiral.’
Double wound cores and stems of pipe cleaning brushes (tube, spiral or twisted brush) are made of 4 wires twisted together For a more densely bristled brush, four wires with bristles between each are twisted together to form a ‘double-wound’ or ‘double-spiral’ core.

Tip of a pipe-cleaning brush

Rubber or plastic coated tip to a pipe cleaning brush to avoid damage to object being cleaned. AKA tube brush, twisted brush, bottle brush The tip may have bristles or may be blunt. Some blunt-tipped pipe-cleaning brushes have a plastic coating to avoid the sharp end of the wire damaging the object being cleaned.
A tip of a pipe-cleaning brush (tube, spiral or twisted brush) with a loop of wire called a nipple Some brushes, usually American produced ones, have a loop on the tip known as a ‘nipple.’

Stem of a pipe-cleaning brush

Twisted stem of pipe cleaning brush AKA tube brush, spiral brush, bottle brush The stem, also known as the shaft, defines the reach of the brush from the base of the head. The longer the stem, the further the pipe-cleaning brush head can be inserted into a pipe.
bent core of pipe cleaning brush AKA tube brush, spiral brush, bottle brush The stem and the core vary in flexibility, shape and strength depending on the tasks the pipe-cleaning brush is designed for.

Handle and hole of a pipe-cleaning brush

Handle of pipe cleaning brush AKA tube brush, spiral brush, twisted brush The handle provides comfort and ease of use. It also increases the precision in the application of the pipe-cleaning brush. Not all pipe-cleaning brushes have handles.
Showing how the loop fits around the plastic of the handle to hold the handle of the pipe-cleaning brush (tube, fitting, twisted brush) in place. The handle is held in place either by the loop of the pipe-cleaning brush (see below)…
Blunt end of a stem of a pipe-cleaning brush (tube, spiral, bottle brush) being glued into plastic handle. …or it is glued onto a blunt stem.
Some handles have holes in the plastic or wood to enable the pipe-cleaning brush (tube, twisted, spiral brush) to be hung up from a hook for storage. Some handles have a hole through them for hanging up the brush on a hook.

Loop of a pipe-cleaning brush

Pipe cleaning brushes linked together by their loops AKA tube brush, spiral brush, bottle brush The loop allows the pipe-cleaning brush to be stored on a hook or multiple brushes to be attached to a belt or each other.
Loop of pipe cleaning brush AKA tube brush, spiral brush, twisted brush Loops are made of the stem material and act as the handle when a plastic or wooden handle is not present…
Pipe cleaning brush with blunt end, there is no loop or handle. AKA tube brush, spiral brush, twisted brush …although some pipe-cleaning brushes have a ‘blunt end’ with neither a loop nor a handle.