3M™ Diamond and CBN Wheels and Tools, 685DC TRIZ DIA PLSNG WHL 1A8, 5X1/4X1-1/4, 10 MIC, 1 ea/Case

3M has developed and incorporated advanced bonding technology into the 3M™ Trizact™ Diamond Polishing Wheel 685DC, representing a significant innovation in precision tool finishing. This proprietary "Trizact bond" formulation delivers exceptional surface finish results while preventing profile distortion or damage to cutting edges, all while preserving the integrity of the polished surface. Engineered specifically for polishing the flutes and working surfaces of drills, endmills, and similar rotary cutting tools, the 685DC wheel merges the strengths of traditional resin-bonded diamond wheels with the controlled cutting action of non-woven abrasive technology, creating a hybrid solution that enables efficient material removal while maintaining the structural rigidity necessary for precision truing, dressing, and accurate tracking along intricate tool geometries.

The 685DC wheel features a dense, uniform distribution of diamond particles throughout its entire structure. As the wheel progressively wears during operation, the worn surface automatically recedes to continuously expose fresh, razor-sharp diamond particles to the workpiece surface. This self-refreshing action ensures sustained cutting performance and consistent, reliable results throughout the wheel's operational lifespan, ultimately reducing scrap and rework while elevating the overall quality and dimensional accuracy of finished components.

Although the 685DC can be utilized with handheld grinding equipment, it has been specifically engineered for integration with CNC grinding machines and automated manufacturing environments, allowing for seamless incorporation into existing production workflows and processes.

Achieving a mirror-quality polished finish on rotary cutting tools can substantially extend tool longevity and enhance workpiece quality. Superior surface finishes enable tools to operate at lower temperatures and maintain their sharp cutting edges longer during use. A refined surface finish on the flute passages of drills and endmills facilitates superior chip evacuation by reducing mechanical friction and heat generation at the tool-chip interface. This improved chip flow mechanism not only enhances the surface finish quality of the finished workpiece but also contributes to extended tool life and reduced thermal stress on the cutting tool.

The 3M™ Trizact™ Diamond Polishing Wheel 685DC functions as a central component within the comprehensive 3M™ Cutting Tool Grinding and Polishing System, which comprises an integrated collection of precision grinding equipment and specialized consumables optimized for rapid, repeatable, and fully automated tool grinding and polishing operations. Each element within this system, including the 3M™ Truing and Dressing Machine and complementary 3M™ Superabrasive products, can operate independently or work in concert with other system components to establish a cohesive, fully integrated grinding and polishing solution that readily adapts to virtually any existing production environment. Furthermore, 3M provides an extensive selection of wheel profiles and configurations specifically designed for rotary tool grinding applications. The 3M Superabrasive Wheel lineup encompasses diverse structural designs suitable for general-purpose grinding applications and CNC machine integration, available with either CBN (cubic boron nitride) or diamond abrasive formulations to match specific application requirements.