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How To Select a FLEX-HONE®

How To Select a FLEX-HONE®

STEP 1 - Tool Diameter Selection 

Tool diameter is determined by the nominal bore size in which the tool is to operate. The FLEX-HONE® Tool is always produced and used in an oversize condition. The degree of oversize creates a soft cutting action. 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. 

STEP 2 - Abrasive Type Selection

Abrasive type is determined by the material you are working with. Refer to the chart for guidance.

STEP 3 - Grit Selection

The amount of work to be performed and the degree of surface finish improvement required govern grit selection. Coarse finishes may require progressively finer FLEX-HONE® tools to meet final surface finish requirements. In very general terms, final finish will be in the following ranges. This chart is intended to offer a starting point in selecting a grit but the final selection must be verified by actual trial.

DON’T FORGET FLEX-HONE® Accessories

To optimize your honing process, make sure you have the right accessories to complete your project.  Brush Research offers specialty formulated FLEX-HONE® oil as well as a variety of sizes of cylinder wash brushes to properly clean your cylinders after honing. Also, adapters and extensions are sold separately if you are honing longer tubes.  This allows you to quickly transform standard tools into creating a longer overall length.

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