Brush Research FLEX-HONE Cylinder Hone, GB Series, Silicon Carbide Abrasive, 4-1/8 (105 mm) Diameter, 240 Grit Size

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$36.37

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97 Ratings
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Reviews
  • JT

    > 24 hour

    Works very well - easy to use if careful.

  • Robert

    > 24 hour

    Works well as a hone. Keep in mind they dont have much range so you need the correct size, you cant squeeze this into a smaller cylinder. Youre gonna want your drill on slow speed and pretty aggressively stroke it in and out to get a 45 degree crosshatch.

  • TJ Bish

    > 24 hour

    It worked well for my SBC. I thought it should last longer than 1 V8 engine honing. Maybe its not supposed to, I dont know when I was done I noticed the dingle balls were smoothe.

  • SwedeJr

    > 24 hour

    This honing tool worked perfectly and now we’re ready to start the re-assembly of our engine.

  • JOSEPH KOPF

    > 24 hour

    I love this hone! It works great and no fuss. I used it on a 6.5 turbo diesel to remove surface rust and bring it back to running order for a rebuild

  • Joshua N.

    > 24 hour

    Good product and it got the job done on a golf cart engine that I was rebuilding but I did have some of the turds come off of it at the end of the hone. Worked very effectivly and once the few turds came off right away didnt have another issue with it. No more than I will be using it I couldnt justify buying an expensive one but I am still very pleased with this product cause it still got the job I bought it for done

  • jeff

    > 24 hour

    Being a hobbyist rebuilder I am very happy with the results of this hone. Makes up for a mulittude of errors on my behalf in skill. I have a Lisle rigid hone and that works really well for the rough work but this made the final a finish factory finish. Seated perfectly

  • ANDY

    > 24 hour

    Should be in all tool boxes

  • ArmyRiot

    > 24 hour

    I am no expert on cylinder homing, but had no issue using this hone. It worked as expected and my cylinders are now honed. Just a few seconds per cylinder and the job was done. I only needed it for 2 cylinders so I dont know how durable it is, but it seems like it is good quality to me.

  • Tyson

    > 24 hour

    deglazed my cylinders, and got it to work with my engine still in the car. only had to shorten it up

The Flex-Hone® tool was originally created by Brush Research Manufacturing to deglaze cylinder walls in automotive applications. Brush Research embraced the benefits of a plateau finish and pioneered the concept of plateau honing culminating in the introduction of the Flex-Hone tool in 1972. The Flex-Hone has gained many nicknames over the years and including ball hone, ball style hone, flexihone, dingleberry hone, bead brush, glaze breaker and glaze buster. Flexible honing with the Flex-Hone tool produces an oil holding cross hatch pattern and a true plateau finish free of cut, torn and folded metal. Any type or size of cylinder can benefit from the Flex-Hone®. These abrasive bead style brushes are produced in standard diameters from 4mm to 36 inches. Nine abrasive types are offered including silicon carbide, aluminum oxide, boron carbide and diamond allowing the tool to be tailored to finish any base material. A choice of 11 different grit selections are available for precise control of finish parameters. The elimination of peaks results in rapid ring seating, better oil control, reduced seepage in hydraulic and pneumatic applications and provides better seal performance and longer seal life. Successful applications include firearm chambers, shotgun barrels, musical instruments, combustion chambers, air compressors, pumps, valve bodies, valve guides, brake cylinders, wheel cylinders and the list goes on and on. Flex-Hone® tools are also very effective for deburring cross drilled holes, port radiusing and edge blending. Because of its unique construction, the Flex-Hone is self-centering, self-aligning, and self-compensating for wear so it does not require an elaborate set-up or special training. Deburring can be effectively automated and combined in the machining process to allow a complete cylinder finish in one operation or it can be employed as a secondary operation with equal results.

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