3M™ Cubitron™ 3 Flap Disc 1169F, 40+, T29-Conical Quick Change Metal, 7 in x 5/8 in-11, 5 ea/Case

The 3M Cubitron 3 Flap Disc 1169F represents an advanced abrasive solution designed for professionals seeking extended service life and exceptional versatility. This high-performance disc incorporates all the essential benefits characteristic of quality flap discs, including superior surface conformability and intuitive handling characteristics, while simultaneously minimizing the potential for surface gouging and material damage during operation.

Engineered with 3M's proprietary Precision-Shaped Grain technology—now enhanced with a curved side geometry—combined with a robust polyester backing material, the 1169F demonstrates remarkable material removal efficiency. When applied to carbon steel applications, this disc achieves up to 49% greater total material removal compared to the 3M Cubitron II Flap Disc 969F in the 40+ grit designation, and delivers up to 66% improved performance versus the traditional 3M Flap Disc 769F 40+ grade. This superior performance makes it well-suited for demanding, medium to high-pressure grinding operations including weld grinding, precision beveling, deburring, and detailed edge and contour work, while simultaneously producing a refined surface finish ideal for blending and comprehensive surface preparation tasks.

The innovative Precision-Shaped Grain design, now re-engineered with curved side geometry, continuously fragments into progressively sharper micro-points. This fracturing mechanism enables efficient cutting action that cleanly slices through metal substrates, contrasting distinctly with conventional abrasives that tend to compress and plow through material. This superior cutting mechanism directly contributes to exceptional disc longevity and sustained high cutting rates throughout the product's operational lifespan.

A notable operational benefit of the 1169F is its capability to perform both grinding and finishing operations sequentially without requiring an abrasive disc change. Under typical operating conditions, the 1169F produces a finished surface that is approximately one grit grade finer than a conventional fiber disc of equivalent grit designation. While traditional fiber discs may demonstrate faster initial cutting rates, the 1169F's ability to consolidate multiple processing steps into a single operation effectively reduces changeover time and enhances overall workflow efficiency.