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Flex Hone Sizes

The Flex-Hone® is offered in sizes from 4mm to 36" standard. The flexible honing tool is available in 9 different abrasive types and 11 different grit selections. The large variety of tool configurations allows you to custom tailor the right tool for your application. Do you have finer finishing tolerances? Selecting the right grit and abrasive type will allow you to accomplish specific finishes.

Tool Diameter is determined by the bore size you are working with. Flex-Hones do not cover a range of sizes. The proper size tool is critical for achieving the highest overall performance and tool life. For example, a 1" Flex-Hone size is ordered if a 1" bore is to be finished and the tool is provided oversized. If the bore size is between standard Flex-Hone sizes, the next larger standard Flex-Hone should be selected. For instance, if the nominal bore is 1.093", then the 1-1/8" Flex-Hone is ordered.

NOTE: The tool will appear oversized. This is not a mistake. The Flex-Hone tool is always produced and used in an oversize condition. The degree of oversize creates a soft cutting action, producing the appropriate amount of pressure against the cylinder wall to allow the tool to do its job.

Flex Hone Sizes

  • BC Series Flex Hones- Small Diameter Flex-Hones range from 4mm- 3" with an 8" Overall Length
  • DBC Series Flex Hones - Short abrasive part Flex-Hones specifically designed for Disc Brake Cylinders. Sizes range from 1 1/2"- 3 1/8" with a 5" Overall Length
  • GB Series Flex Hones - Standard Duty Flex-Hones with a shorter abrasive part range from 3-1/4" - 4-5/8" and are 13 -1/2" Overall Length.
  • GBD Series Flex Hones - Heavy Duty Flex-Hones ranging from 3" - 8". 3" thru 4-1/2" diameter tools have a 13 -1/2" Overall Length. 5" thru 8" diameter tools have a 17-1/2" Overall Length.
  • GBD Wood Cores Flex Hones - These Heavy Duty Large Diameter Flex-Hones range from 8" - 18" with a 34" Overall Length. Large diameter hones use a steel hex drive shaft.
  • GBDX Series Flex Hones - These Super Heavy Duty Large Diameter Flex-Hones range from 19" - 36".
Custom Flex Hone Sizes
Do you not see the size or style of hone you need? BRM can custom design a tool to fit your needs. Our in house design team can create Custom Flex Hones with special sizes for overall lengths, abrasive brush shapes (tapered, stepped, dome,etc), globules sizes, special minimum and maximum diameters. Sending in a drawing will help assist our team create the best tool for your application.

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