BRM's Flexible Honing, Surface Finishing, and Deburring Blog Blog

BRM's Flexible Honing, Surface Finishing, and Deburring Blog

BRM's Flexible Honing, Surface Finishing, and Deburring Blog is the place for conversation and discussion about how to solve difficult finishing problems. For over 50 years, Brush Research Manufacturing (BRM) has helped customers use brushing technology to clean, rebuild, and resurface components ranging from engine cylinders to brake rotors to flywheels to firearms. BRM's Blog on CR4 provides real-world examples of how flex hones and wire brushes work. It also evaluates related technologies and invites questions from the community.

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Flexible Hones for Firearms - Instructional Video

Posted June 05, 2012 7:48 PM by Brush Research

Flexible honing tools for firearms are designed to produce the optimum plateau surface finish in any type or size cylinder, slide, chamber, magazine tube, or smooth bore barrel. Their low-temperature, low-pressure abrading process creates a long-wearing surface with the precise dimensions that the bores of your guns require. So whether you need to reduce jamming, sticking, and brass scarring, or clean oxidation and corrosion more efficiently, choose a Flex-Hone for the job.

How-to Video: The Flex-Hone for Firearms

Recently, our company released a Flex-Hone for Firearms Instruction Video that demonstrates how gunsmiths, hobbyists, and firearms manufacturers can use gun cleaning brushes and barrel hones to improve firearms performance. This short how-to video provides detailed instructions for barrel polishing, barrel honing, chamber polishing, and cylinder polishing. Information about Flex-Hone tools for shotguns, rifles, revolvers, pistols and paintball guns is also available on the Brush Research website.

Shotgun Barrel Polishing

As this new video explains, the Flex-Hone for firearms should be held securely in a collet, chuck, or similar workholding device. The tool should be coated with plenty of lubricant (preferably Flex-Hone oil), and then spun to remove the excess. With the workpiece (shotgun barrel) held in a padded vise, rotate the flexible hone prior to entry. Continue to rotate the tool until it is fully removed from the shotgun barrel.

Shotgun Barrel Honing and Chamber Polishing

Barrel honing for shotguns requires long, even strokes. As a rule, firearms hones should be run between 800 and 1000 revolutions per minute (RPM). Inspect the surface every few strokes, and never "over hone". Taping the stem provides professional and amateur gunsmiths alike with a visual marker of how deeply to insert the Flex-Hone.

For chamber polishing operations, remember to always wear proper eye-protection. When finished, wash the workpiece (shotgun chamber) with warm soapy water and a natural filament tube brush. As a final step, dry the gun with a clean, lint-free cloth.

Revolver Cylinder Polishing

Polishing revolver cylinders begins with mounting the workpiece in a padded vise. Using the Flex-Hone, stroke through the cylinder until the tool partially extends from the cylinder's end. A few strokes per cylinder are all that is needed, and most applications take only a few minutes. When finished, scrub each revolver cylinder with warm, soapy water. Remember to lightly oil the surface after honing.

Author's Note: This CR4 blog entry originally appeared in BRM's Flex-Hone Blog.

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Join Date: Jun 2012
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Re: Flexible Hones for Firearms - Instructional Video

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