
( Brand: Drill ), ( Part Type: Tool Attachment Drill ), ( Color: Silver ), ( Itemheight: 187 ), ( Itemlength: 125 ), ( Packageheight: 52 ), ( Packagelength: 278 ), ( Packageweight: 610 ), ( Packagewidth: 143 ), ( UPC: 014444902103 )
The **Bosch General Tools 014444902103 Drill Grinding Stone (825)** is a precision-engineered abrasive tool designed to restore and maintain the optimal cutting performance of twist drills, reamers, and other metalworking bits. Crafted with a durable **aluminum oxide (WA) grain structure**, this diamond-shaped grinding stone delivers consistent, high-quality sharpening by efficiently removing material while preserving the drill s original geometry. Its **825 grit size** strikes an ideal balance between aggressive stock removal and fine edge refinement, making it suitable for both routine maintenance and professional-grade sharpening tasks. The stone s robust **ceramic bond** ensures longevity, resisting premature wear and maintaining its sharp cutting profile even under heavy use. Engineered with a **flat, stable surface**, it allows for precise control during manual grinding, reducing the risk of uneven wear or unintended alterations to the drill s helix angle. Whether used in workshops, machine shops, or DIY projects, this grinding stone is a reliable companion for restoring drills to their factory-sharp condition, extending their lifespan, and ensuring clean, accurate cuts in a variety of materials, from soft metals to hardened alloys. Its compact yet sturdy design fits seamlessly into tool belts or grinding stands, making it a versatile addition to any toolkit.
**Analysis of buying a General Tools 014444902103 Drill Grinding Wheel (825 for)**
### **Pros**
1. **Durability and Performance** The 825 grit size is ideal for general-purpose grinding, offering a good balance between sharpness retention and material removal. It works well on drills, taps, and other cutting tools, providing a smooth finish without excessive wear.
2. **Versatility** Suitable for a wide range of applications, including sharpening high-speed steel (HSS), carbon steel, and some stainless steel tools. It can also be used for deburring and light grinding tasks.
3. **Cost-Effective** As a general-purpose wheel, it is typically more affordable than specialized grinding wheels, making it a practical choice for hobbyists, small workshops, or occasional use.
4. **Compatibility** Fits standard bench grinders and many portable grinders, ensuring ease of use with existing equipment.
5. **Long-Lasting** With proper use and maintenance, the wheel can last for a significant number of sharpening sessions, reducing the need for frequent replacements.
6. **Safety Considerations** The 825 grit is not overly aggressive, reducing the risk of overheating tools compared to finer grits, which helps prevent warping or cracking.
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### **Cons**
1. **Limited Precision for Fine Work** While effective for general sharpening, it may not be fine enough for high-precision tasks like sharpening micro-drills or delicate cutting tools. A finer grit (e.g., 1000 ) would be better for such applications.
2. **Slower Material Removal** Compared to coarser grits (e.g., 400-600), it takes longer to remove material, which can be frustrating for users who need to quickly reshape dull tools.
3. **Dust and Cleanup** Like all grinding wheels, it generates significant dust, requiring proper ventilation and cleanup to avoid respiratory hazards or workspace clutter.
4. **Wheel Dressing Required** Over time, the wheel may become glazed or clogged, necessitating periodic dressing (using a diamond dresser or similar tool) to maintain performance. Neglecting this can lead to poor results or wheel failure.
5. **Potential for Overheating** If used improperly (e.g., grinding too aggressively or for extended periods), the wheel can overheat, damaging the tool or even causing the wheel to crack or shatter.
6. **Not Ideal for Hard Materials** While it handles most common tool steels well, it may struggle with extremely hard materials like carbide or certain types of stainless steel, requiring slower, more careful grinding.
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### **Conclusion**
The General Tools 014444902103 drill grinding wheel (825 grit) is a solid, budget-friendly choice for general-purpose tool sharpening. It strikes a good balance between durability, versatility, and ease of use, making it suitable for hobbyists, DIYers, and small workshops. However, it is not the best option for high-precision or heavy-duty grinding tasks. Users should prioritize proper safety measures, such as wearing eye protection and ensuring good ventilation, and be prepared to dress the wheel periodically for optimal performance.
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### **Recommendation**
**Buy this wheel if:**- You need a reliable, affordable grinding wheel for general tool sharpening (e.g., drills, taps, chisels).
- You primarily work with softer to medium-hard steels and do not require ultra-fine precision.
- You already have a bench grinder or similar setup and want a versatile addition to your toolkit.
**Avoid this wheel if:**- You frequently work with hard materials (e.g., carbide, high-alloy steels) that require finer grits.
- You need extremely precise or delicate sharpening (e.g., micro-drills, surgical tools).
- You lack proper ventilation or safety equipment, as grinding generates hazardous dust.
**Alternative Considerations:**- For finer work, consider a 1000 grit wheel.
- For aggressive material removal, a coarser grit (e.g., 400-600) may be more efficient.
- If budget allows, invest in a high-quality wheel from brands known for durability (e.g., Norton, Valenite) for longer lifespan and better performance.
EXTENDS THE LIFE OF DRILL BITS: Bring new life into used bits. The non-marking depth stop-cap is a safety feature that protects the materials surface. Its designed with a pivoting neck to sharpen both sides of the bit equally. MACHINE TOOL ACCESSORIES: No more damaging your bits.
Its a must-have for your tool bench and easily attaches with vice clamp quick accurate sharpening. This handy Drill bit sharpener for all bits supports standard angles of 88, 68, 59, 49, and 41 degrees. For use with ANSI, OSHA, and UL-approved standard electric bench grinders or surface. The tool attachment includes a table for translating the overhang requirement to correct point angle target material.
For an all-around grinding action, it comes with a pivoting neck. We encourage craftspeople, artisans, and Dyers to work smarter, measure better, increase productivity. It measures 4.91 L x W 7.38and is the perfect addition to your tool stand. The grinding attachment support angles are standard 88, 68, 59, 49, and 41 degrees.

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