Precision Brush

Understanding Filament Thickness -

Filament Measurement Reflects Brush Purposing

Every brush is built with a unique purpose in mind, and the filament that constitutes the brush itself can be made at a variety of thicknesses to match the end use. This measurement is called the filament diameter—the thickness of an individual piece of filament. Two main tools are used to take such small measurements: micrometers and calipers. A caliper makes use of two sliding scales with different spacings between their markings to take the measurement, while a micrometer has two jaws that close by way of a screw and translate the measurement to an attached meter.

The range of filaments for most brushes generally ranges from .003 – .05 of an inch. To get a better idea of what different filament sizes look and feel like, consider these familiar examples:

  • A standard soft toothbrush has filament that typically measures around .006 of an inch.
  • A typical paintbrush you would use to paint your house employs filaments measuring around .012 of an inch.
  • A snowbrush for cleaning snow from your car in wintertime uses filaments of about .018 of an inch.
  • A push broom used to sweep floors includes filaments measuring around .025 of an inch.

Check out our video on this topic to see these examples for yourself!

 

To learn more about American brush maker and supplier, Precision Brush, or to schedule a consultation with one of the company’s knowledgeable sales staff members, call us at 800-252-4747. We look forward to supporting you with customized brush solutions!

 

 

Most Recent

NEED TO CUT YOUR BRUSH TO SIZE YOURSELF? HERE'S HOW.

Posted By Precision Brush
December 18, 2023 Category: Custom Brush

  Need to cut your brush to size yourself? Here’s how. Many times, a brush will need to be cut on site — after a customer receives the brush — to fit the intended application. For example, you might need to trim the brush down to fit a door; you could purchase a couple of long brushes and trim them to fit along the top and bottom. Brushes for dock leveler seals or the sides of a conveyor can be purchased long and trimmed down to size as well. To accomplish cutting your brush on site without damaging the brush, there are a couple of tips to keep in mind. Use a bolt cutter: Cut your brush with a bolt cutter, not a hacksaw or band saw. A bolt cutter will pinch the ends of the U-shaped metal channel together and keep the brush intact, whereas a saw will leave the end of the channel open and filaments can become loose and fall out.  Deburr your edges: Use a file to smooth off any sharp edges after cutting. This step is especially necessary if the brush is being cut to fit in a brush holder.  SIDE NOTE: It’s okay to use a saw to cut brush holders down to size; it’s just not recommended to use saws on the metal channels of the brushes themselves. Cutting brushes on site isn’t complicated; you just want to be sure to use a method that pinches the metal channel shut. Once you’ve cut your brush to the size you need, follow these tips if you are then placing it into a brush holder. Check your bristles: The brush should

All About Brush Channels

Posted By Precision Brush
August 04, 2023 Category: General

Understanding Brush Channel Construction Metal channel strip brushes all start out as flat steel on a roll. At Precision Brush, we offer several different brush-channel sizes: 2, 2.5, 3, 4, 5, 6, 7, 8, and 10. These numbered sizes each represent the total eighths of an inch in the metal channel before it is formed into a U shape.  So, a one-inch-wide channel would be a size 8, indicating eight eights of an inch. A half-inch-wide channel would be a size 4 channel, and so on. Once a size is selected, the flat steel is then bent into a U shape, which creates the metal channel where the filaments will be held. The smaller the channel, the less filaments (size and quantity) it will hold. For example, if you want a heavy-duty brush with very stiff, thick filaments, you would need a larger channel. As channel size goes up, we can fit more filaments in the channel as well as use thicker filaments. For a short trim brush, smaller channels may be more appropriate. Longer trim brushes usually require a heavier, thicker filament, which necessitates a larger metal channel. Oval vs. Flat Channels Most of the time, channels have a flat bottom. This is the default style for channel construction. However, customers sometimes request an oval-shaped channel bottom. We offer this option in the number 5, 6, and 7 channel sizes. Sometimes, an oval channel may be selected when the final use of the brush will be a cup shape, such as in a round or oval-shaped vacuum brush.  For most u

Cleveland Brush Manufacturers Host Filament Suppliers 2023

Posted By Precision Brush
June 29, 2023 Category: General

     Cleveland Brush Manufacturers host filament suppliers, brush machine manufacturers and other brush manufacturers at the 63rd Annual Victor F. Miller Memorial Golf Tournament The Mill-Rose Company held the 63rd annual Victor F. Miller Memorial Golf Tournament at Shaker Heights Country Club in Cleveland, Ohio on Thursday, June 22, 2023. Brush manufacturers and suppliers from around the world gathered for the annual event. The golf event serves as the culmination of activities the week before where brush company representatives renew alliances, discuss business trends and opportunities for the brush manufacturing industry. Brushes manufactured by these companies are used in virtually every type of industry around the world. Applications include makeup/mascara brushes, hair brushes, floor sweeping and polishing brushes, gun cleaning brushes, car wash brushes, copier toner brushes, brooms, paint brushes, and special brushes used in the medical field. The weather was perfect for the golfing event. Skills of the golfers ranged from novice to near professional, however, a good time was enjoyed by all. Prizes were awarded to golfers for outstanding performance including: First Place, Low Gross – Dan Kirtz (Malish Corp) Second Place, Low Gross – Jim Benjamin (Precision Brush) Third Place, Low Gross – Tie Breaker between Chris Monahan (Brush Fibers) and RJ Lindstrom (Zephyr Manufacturing) going to Chris Monahan Closest to the Pin – Ian

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