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  3. AMANA MR0112

AMANA TOOL MR0112 Miniature Corner Round Router Bit 738685071120 1/8 7/16 3/8 1/4

Mr0112 Amana Tool Miniature 1/8 R Corner Round X 7/16 3/8 1/4 Router Bit

( Brand: Amana Tool ), ( Manufacturer Part Number: MR0112 ), ( Part Type: Tool Router Bit ), ( California Prop 65 Warning: Chemical Wood Dust ), ( UPC: 738685071120 )

Review AMANA TOOL Miniature 1/8 Corner Round 7/16 3/8 1/4 Router Bit

The **Amana Tool MR0112 Miniature 1/8" Corner Round Router Bit** is a precision-engineered cutting tool designed for woodworkers, model makers, and hobbyists who demand exceptional detail and versatility in their projects. This high-quality router bit features a compact 1/8-inch shank, making it ideal for use in small routers or as an insert in larger machines, where its slender profile ensures smooth operation without binding. Crafted from premium solid carbide, the bit delivers outstanding durability and heat resistance, allowing for extended use without sacrificing sharpness or performance. The corner-round design, with its smooth, flowing radius, is perfect for creating refined edges on small-scale projects, such as model furniture, decorative trim, or intricate joinery where a crisp, rounded finish is desired.

What sets this bit apart is its adaptability it accommodates three distinct cutting diameters (7/16", 3/8", and 1/4") through simple adjustments, thanks to its modular design. By rotating the bit within its housing, users can quickly switch between these sizes, making it an incredibly space-efficient solution for workshops where storage is limited. The bit s precision-machined flutes ensure clean, chip-free cuts, minimizing tear-out and leaving a polished surface that requires minimal sanding. Whether rounding corners on delicate woodwork, shaping miniature components, or adding subtle decorative details, the MR0112 excels in applications where precision and finesse are paramount.

Built to withstand the rigors of frequent use, the Amana Tool MR0112 is backed by the brand s reputation for reliability, offering a robust alternative to cheaper, less durable alternatives. Its ergonomic design and balanced weight reduce operator fatigue during extended use, while the carbide construction ensures longevity even when working with harder materials like hardwoods or composites. For professionals and enthusiasts alike, this router bit represents a perfect blend of functionality and craftsmanship, elevating the quality of fine woodworking and model-making projects with every pass.

The **Amana Tool MR0112** is a 1/8-inch shank, 1/8-inch diameter corner round-over router bit designed for detailed woodworking, model making, and fine craftsmanship. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Amana Tool MR0112 Corner Round Router Bit**

1. **Precision and Detail Work**

The bit is well-suited for intricate projects where smooth, rounded edges are required, such as furniture moldings, picture frames, or model-making. Its small diameter (1/8 inch) allows for fine, controlled cuts without excessive material removal.

2. **Durability and Quality**

Amana Tool is known for producing high-quality carbide-tipped router bits, which are resistant to wear and can maintain sharpness longer than high-speed steel bits. The MR0112 appears to be a solid carbide design, ensuring longevity with proper care.

3. **Versatility in Applications**

While primarily a corner round-over bit, it can also be used for general edge rounding, chamfering, or creating decorative profiles in wood, plastic, or soft metals (with appropriate materials). The included 7/16, 3/8, and 1/4-inch corner radii provide flexibility for different project needs.

4. **Compatibility with Miniature and Model Work**

The 1/8-inch shank fits standard 1/8-inch collet routers, making it ideal for hobbyists working on small-scale projects, such as model trains, dollhouses, or miniature furniture.

5. **Smooth Finishes**

Carbide bits generally produce cleaner cuts with less chipping or tear-out compared to HSS (high-speed steel) bits, especially when used with the right feed rate and speed.

6. **Affordable for a Carbide Bit**

Compared to other premium carbide router bits, the Amana Tool MR0112 is reasonably priced, offering good value for its performance in the hobbyist or light-duty professional market.

7. **Easy to Sharpen (If Needed)**

While carbide bits are designed to last, they can be resharpened by professionals or with specialized tools if they wear down over time.

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### **Cons of the Amana Tool MR0112 Corner Round Router Bit**

1. **Limited to Small-Scale Work**

The 1/8-inch diameter restricts its use to very small projects. For larger edge rounding or heavy-duty work, a larger bit (e.g., 1/4 inch or 1/2 inch) would be more appropriate. This may limit its usefulness for some woodworkers.

2. **Requires a 1/8-Inch Collet Router**

Not all routers support 1/8-inch shanks. Users with only 1/4-inch or 1/2-inch collet routers will need an adapter or a different bit, which can add cost and complexity.

3. **Sensitive to Speed and Feed**

Small carbide bits can be prone to overheating or breaking if used at incorrect speeds or with too much pressure. Proper setup and slow, steady feeds are necessary to avoid damaging the bit or the workpiece.

4. **Not Ideal for Hard Materials**

While carbide bits excel in wood and soft plastics, they may struggle with extremely hard materials like hardwoods, composites, or metals without proper cooling (e.g., using a lubricant or coolant). For these materials, a specialized bit or slower speed may be required.

5. **Potential for Clogging**

If used on materials with fine dust or resin (e.g., plywood or certain plastics), the bit can clog, leading to uneven cuts or bit damage. Regular cleaning and proper ventilation are essential.

6. **Less Common in Some Regions**

Amana Tool is a well-regarded brand, but availability may vary depending on location. Some users might find it harder to source replacements or accessories compared to more universally available brands.

7. **Learning Curve for Beginners**

Small, detailed work requires patience and precision. Beginners may struggle with achieving consistent results, especially if they are not familiar with router techniques or bit handling.

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### **Conclusion**

The **Amana Tool MR0112** is an excellent choice for hobbyists, model makers, and woodworkers who need a reliable, high-quality corner round-over bit for fine detail work. Its carbide construction ensures durability and precision, while its versatility with multiple corner radii adds practical value. However, its small size limits its applicability to larger projects, and it demands careful handling to avoid breakage or overheating.

For users with a 1/8-inch collet router and a focus on intricate, small-scale projects, this bit is a strong recommendation. Those working on larger or more demanding tasks may find it insufficient and would benefit from a larger bit or a different material-specific tool.

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### **Recommendation**

**Buy the Amana Tool MR0112 if:**

- You work on miniature or detailed woodworking projects (e.g., model making, small furniture, decorative moldings).

- You have a 1/8-inch collet router and need a durable, carbide bit for edge rounding or corner profiles.

- You prioritize quality and longevity over versatility for large-scale work.

**Consider alternatives if:**

- You frequently work with larger materials or need a bit for heavy-duty edge work (e.g., 1/4-inch or 1/2-inch corner round bits).

- Your router only supports 1/4-inch or larger shanks, requiring an adapter (which may not be ideal for precision work).

- You frequently work with hard materials like hardwoods or metals, where a specialized bit or slower speed is necessary.

For most hobbyists and model makers, the **Amana Tool MR0112 is a solid, well-made bit worth investing in**, provided the user s projects align with its size and capabilities. Always pair it with proper safety gear (e.g., dust mask, eye protection) and follow router safety guidelines to maximize its performance.

Details:

Corner Rounding Router Bits with Ball Bearing Guide. PRODUCT SPECIFICATION Diameter: 7/16. Excellent for: wood, Plastic. Designed with a 3/16 diameter ball bearing guide at the bottom end of bit, eliminating burnout caused by brass pin-piloted bits.

B Cutting height : 3/8. The mini bits fit into tight spaces and sharp corners where larger diameter bearing cannot, making it easier for users to work on finely detailed pieces that have intricate contours, tight confines narrow openings. Boring Drilling Bits. Sharper Cutters.

Planer Joiner Knives. Amana Tool MR0112 Miniature 1/8 R Corner Rounding with 3/16Ball Bearing x 7/16 3/8 CH 1/4 Inch SHK Carbide Tipped Router Bit. CNC Router Bits. Avoid inhaling wood dust or use a mask other safeguards for personal protection.

part #: mr0112 prices

  • $40.84-$71.71

specifications sawbladeother:

  • brand: Amana Tool
  • mpn: Mr0112
  • part type: Tool Router Bit
  • california prop 65 warning: Chemical Wood Dust
  • upc: 738685071120

general sawbladeother:

  • Power Tool Air Tool Accessories > Saw Blades > Other Saw Blades
  • condition: New

seller sawbladeother:

  • rating: 98.6%
  • # reviews: 389
  • city: Cedarhurst, New York

offer sawbladeother:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: March 23, 2026
  • quantity: 1

returns sawbladeother:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Buyer

shipping sawbladeother:

  • type: Calculated
  • cost: $16.72
  • carrier: UPS
  • service: UPS Ground
  • class: Standard
  • transit: 3-7 Days

payments sawbladeother:

  • credit card: Diners-club
  • wallet: Apple-pay
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part type: tool router bit, california prop 65 warning: chemical wood dust,
category: home & garden > power tool air accessories > saw blades, sku: 18093060582977751,
Amana Tool MR0112 Is Similar To:
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4 offers $40.84–$71.71 USD
  • New. Offer #1 priced at $40.84 + $16.72 shipping estimate = $57.56* total. Radius: 1/8. Excellent for: Wood, Plastic.+$16.72 shipping
  • New. Offer #2 priced at $71.71 + $0.00 shipping estimate = $71.71* total. Manufacturer model: .FREE SHIPPING
  • New. Offer #3 priced at $40.84 + $16.72 shipping estimate = $57.56* total. +$16.72 shipping
  • New. Offer #4 priced at $66.26 + $19.96 shipping estimate = $86.22* total. These bits are perfect for small fine work such as signs, lettering, small boxes, guitarmaking/luthier and toymaking; essentially any project that requires tiny flush trimming or shaping.+$19.96 shipping

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