1/2" Carbide Square End Mill, HRC 45 Deg Single End 4 Flute AlTiN Coating Mill Bits
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Selected User Reviews For 1/2" Carbide Square End Mill, HRC 45 Deg Single End 4 Flute AlTiN Coating Mill Bits
These bits are frequently used in my router table because they cut so cleanly and easily. Because they're meant to be used as metal cutting bits, they're extremely sharp. As I use them for woodworking, I can't imagine they won't last a long time if treated properly.
In my "World's Finest Trimmer 2," it works perfectly. " I was concerned that I wouldn't be able to chuck it in my drill because the shank is about a half inch shorter than the HSS end mill supplied by Little Crow Gunworks, but it fit perfectly. " For those trimming thousands of brass casings, the carbide cutter is a must, in my opinion! When you use carbide instead of HSS, the amount of pressure required to press on the casing with your hand is cut in half, and your hands will thank you. Although my productivity improves, I continue to take my time cutting and advancing the case. As a result of the forcible trimming, chatter will occur, resulting in inconsistent trim lengths.
In case you were wondering, the answer is yes. At high speeds, this end mill will not penetrate the 123 blocks. I didn't intend to do it, but I discovered it when I forgot to remove the Z0 that my post proc had put in. br>br>In all honesty, this was one of my favorite parts. And now I'm on the lookout for a new one. It served as a finishing touch for me.
It is precise and sharp. However, there are vibration issues that we believe caused the shank to break. We had two of them, and when the second one broke, we switched to a different brand's end mill to complete the task. At the time, it didn't seem to be a problem; these just seem to snap off.
On soft metals, such as brass, this product leaves a substantial burr. I experimented with a variety of speed settings and found that none of them seemed to be significantly better or significantly worse than the other, as in no HEAVY burr(s) were produced by any of them. I'd spend the extra money on a higher-end brand, as brass should not have this issue on this machine.
After 10 seconds of use, it was still clogging. I switched to a higher quality bit and no longer had the problem. I believe so. This is not a good use of your time or money.
This was dulled on 7071 Aluminum after 15 minutes of use. It has now been rendered obsolete. I'm not sure why it failed so quickly, but I was only removing 1/16" at a time, and at this rate, I'd have to buy 150 of these just to finish the job.
The economy bit is very nice. Brass and 17-gauge steel have both been milled by me. With it, there are four stainless steels. I'm very pleased.
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