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Shaun King
Greater than one weekThis bit is only used to produce repeatable results using a pattern attached to the workpiece as a guide. A bearing is used to follow the pattern and neither the process or this type of router bit are anything new. What sets this bit apart is that it cutting edges are slightly angled to slice both up and down. This results in a shearing cut rather than a chipping cut and should produce a smooth cut with little or no chip-out - well see. This is also a small diameter bit. Itll get into tighter areas, but its small size requires a bit more time and patience. You cant force this bit because its cutting tip speed is much slower than a bit of larger diameter. Both rotate at the same RPM, but the larger bit has to move faster around a larger circumstance. This little bit has the potential to produce edges ready for finish, but you cant rush it. Its also important to rough-cut work pieces very close to their finished size because you cant hog material with bits as small as this. This bit is for the last 1/8 give or take, youre not going to plow with it, at least not very far before it breaks from heat buildup. Use it as intended and with care and it shouldnt disappoint.
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Doyle Upton
> 3 dayAs it is an off brand from Amazon, I dont have high hopes for longevity. That being said, for a hobbyist the price is right and it works great so far. Only time will tell on durability.
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Buy2Much
> 3 dayEANOSIC Up-Down Compression Spiral Flush Trim Router Bit Versatile dual ball bearings allow for flush cutting as well as template use. The EANOSIC Up-Down Compression Spiral Flush Trim Router Bit is a versatile and durable tool for template cutting and flush cutting. The 1/4 inch shank and solid carbide construction make it suitable for a wide range of applications from hard and soft wood to plastic. The nano coating on the bit provides added durability and resistance to wear and tear. The unique feature of this router bit is its up-down compression design which helps to compress the material being cut, which results in a smooth and splinter-free finish. This saves a lot of sanding. This router bit is especially great for template cutting projects as it provides a precise and accurate cut every time, following the template perfectly. Exceptional value for the price. EANOSIC makes exceptional router/CNC bits!
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AminA
> 3 dayI am giving this particular bit 3 stars, because it could have been a rare manufacturing flaw. I used it on a 1 inch cherry wood removing about 1 to 2 mm, and after about 5 minutes and 2 feet it fell apart. Luckily I had an upcut bit by the same manufacturer that I used to finish the work. The other bit performed perfectly.
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Mr. Stanton Mraz
> 3 dayUnreal quality for a great price. Leaves a great edge finish. No tear out or splinter. This is the 3rd brand of compression spiral I have tried and this one is far superior from the others. Used for several projects and havent seen any decline in the performance. Definitely recommend this product.
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Bruce Regittko
> 3 dayI have a 1/2 up cut flush trim bit but need something smaller for a tight inside corner. I expected this bit to produce about the same quality cut as my bigger, premium bit. This bit cuts better! The up/down compression really eliminates tear out on both the top and the bottom of the work piece. While I have not used this bit enough to rate its durability, I will be grabbing this before my other bit next time I need to flush trim a piece.
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Rick L
> 3 dayI used this bit for the first time to clean up the edges of a CNC carving. I purposely cut too shallow with the CNC into a piece of walnut, then cut the carving out with a jab saw. This to me provided the worst possible scenario I could come up with regarding the wood. Hard wood with jagged overhangs that have been stressed already, and a curved edge. As for the router, I used a cordless handheld DeWalt 1/4 in router. Its large in the hand so kinda hard to hold and it is easier to accidentally tilt than a larger router. Then I flushed the corners holding the router in one hand and the carving in the other. This was the worst possible scenario I was willing to tolerate. I got the best results I have ever gotten from any flush trim bit - with the worst conditions I could come up with. There was zero tearout, and perfect alignment. Look at the pictures, they speak for themselves. I hate to write gushing reviews, but this is a standout tool that radically outperforms every other version of the tool I have ever used. Cant recommend this bit highly enough.
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MB
> 3 dayThis is the first spiral bit Ive used, and I gotta say Im a convert. It just chews through material, and produces a nice clean edge. Im very pleased with this.