Before

Carbide Flat Drill Bottom raw, unfinished
Closeup of Carbide Flat Drill Bottom showing raw, unfinished surface.

After

Carbide Flat Drill Bottom showing honed surface finish.
Closeup of Carbide Flat Drill Bottom showing honed surface finish.

Objective

Bel Air Finishing was tasked with honing the cutting edges of carbide flat-bottom drills to improve performance and extend tool life. The goal was to develop an efficient, repeatable process that achieves precise edge preparation and meets the customer’s quality requirements.

IndustryCutting Tool Edge Prep
Part DescriptionFlat Bottom Drills
Fabrication Method Grind
MaterialCarbide
Process TechnologyEdge Preparation/Honing
Equipment TypeDrag-Spindle Finisher

Solution

To meet the customer’s requirements for precise edge preparation, Bel Air Finishing recommended the Drag-Spindle Finisher. This advanced system ensures uniform honing of cutting bits, enhancing cutting performance and durability while significantly reducing manual labor.

The Drag-Spindle Finisher’s capability to handle parts with complex geometries and varying sizes, including those that are too long for traditional finishing systems, made it the ideal choice for flat-bottom drills. The automated process delivered consistent, high-quality results, improving tool efficiency and extending product lifespan.

By leveraging Bel Air’s expertise in edge preparation, the customer was able to optimize their production workflow, achieve consistent finishes, and increase overall productivity.

If you are unsure what equipment and media you require to achieve your desired surface finish, then send us your part, and we will evaluate it and provide you with a metrology report.