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Anyone fabricating with Hardox?
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<blockquote data-quote="tinman" data-source="post: 6549885" data-attributes="member: 11821"><p>just to add a bit of my limited but always learning knowledge,</p><p>re drilling it, from memory hardox 500 is about 50 rockwell c, HSS tooling is grand up to about 40 rc, 45 is workable but 50rc is into dodgy teritory, Again from memory your HSS drill is about 70 odd rc so you get the idea.</p><p>your into solid carbide from there and above, not cheap tooling and altho it will drill nearly anything its only to be used in fixed drilling application like a mill or such.</p><p>you might get away with a good quality coated drill but i cant guarantee it,</p><p>work hardening is going to be one of your enemy's.</p><p>speeds and feeds when your there are somewhat of a minefield and the biggest downside is you wont get any warning until its too late, and at that point your going to be down a right few quid for your drill which unless you are in a great way of going to be able to sharpen it you've just acquired a round paper weight.</p><p>im open to correction on any of that info mind.</p><p></p><p>i heated my bit up and punched it, it was fine for what i wanted to do at the time.</p><p>you could chance a carbide tipped drill, or you could sharpen up a masonry drill to do the job but that's not a simple job either.</p><p></p><p>how big a hole are we talking here or is it just a general question.</p></blockquote><p></p>
[QUOTE="tinman, post: 6549885, member: 11821"] just to add a bit of my limited but always learning knowledge, re drilling it, from memory hardox 500 is about 50 rockwell c, HSS tooling is grand up to about 40 rc, 45 is workable but 50rc is into dodgy teritory, Again from memory your HSS drill is about 70 odd rc so you get the idea. your into solid carbide from there and above, not cheap tooling and altho it will drill nearly anything its only to be used in fixed drilling application like a mill or such. you might get away with a good quality coated drill but i cant guarantee it, work hardening is going to be one of your enemy's. speeds and feeds when your there are somewhat of a minefield and the biggest downside is you wont get any warning until its too late, and at that point your going to be down a right few quid for your drill which unless you are in a great way of going to be able to sharpen it you've just acquired a round paper weight. im open to correction on any of that info mind. i heated my bit up and punched it, it was fine for what i wanted to do at the time. you could chance a carbide tipped drill, or you could sharpen up a masonry drill to do the job but that's not a simple job either. how big a hole are we talking here or is it just a general question. [/QUOTE]
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Anyone fabricating with Hardox?
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