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Where to buy quality router cutting bits?
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<blockquote data-quote="JimGore" data-source="post: 66615" data-attributes="member: 3"><p>1/2" is approx 12.7mm, with 1/4" being about 6.3mm or so. Because the end mills and slot drills are made to exact mm sizes, the collets don't really hold them well. Especially considering that the bit will spin at more than 15000 rpm, you want it clamped nice and tight.</p><p></p><p>Some routers come with metric collects as well as imperial ones. I used to have a cheap Bosch router that had a 8mm collet as well as the 1/4". Festool has a couple of different collet sizes, I have a 1/4", 8mm, 10mm, 12mm, and 1/2" collet. The metric ones allow me to use end mills.</p><p></p><p>Hope that helps?</p><p></p><p>I have a lock mitre bit, but have not used it on speakers yet. I usually use it for making drawers. It works well enough, but you need to make many passes to get to full depth, otherwise the bit does not last long and starts burning the wood as said above. You will need a router table with a fence to use the lock mitre bit because it doesn't have a guide bearing on the end.</p><p></p><p>regards,</p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 66615, member: 3"] 1/2" is approx 12.7mm, with 1/4" being about 6.3mm or so. Because the end mills and slot drills are made to exact mm sizes, the collets don't really hold them well. Especially considering that the bit will spin at more than 15000 rpm, you want it clamped nice and tight. Some routers come with metric collects as well as imperial ones. I used to have a cheap Bosch router that had a 8mm collet as well as the 1/4". Festool has a couple of different collet sizes, I have a 1/4", 8mm, 10mm, 12mm, and 1/2" collet. The metric ones allow me to use end mills. Hope that helps? I have a lock mitre bit, but have not used it on speakers yet. I usually use it for making drawers. It works well enough, but you need to make many passes to get to full depth, otherwise the bit does not last long and starts burning the wood as said above. You will need a router table with a fence to use the lock mitre bit because it doesn't have a guide bearing on the end. regards, Ian. [/QUOTE]
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