hard learned lesson: premo drill bits are worth the price. Better steel, better grinding, etc. For regular bits -> https://www.amazon.com/DEWALT-DW1361-Titanium-Pilot-21-Piece/dp/B004GIO0F8 … https://twitter.com/jkrwld/status/831211003228590080 …
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Replying to @MorlockP
2/ hard learned lesson #2: buy two sets. Cannibalize from backup set so that primary set is always 100% full.
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Replying to @MorlockP
3/ yet more on bits: if you spend much time in the shop, a "Drill Doctor" is worth it. https://www.amazon.com/Drill-Doctor-DD750X-Bit-Sharpener/dp/B000BKTA00 … if $130 is too steep ...
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Replying to @MorlockP
4/ you can also teach yourself to grind drill bits by hand on a grinding wheel. I can, and do a decent job.
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Replying to @MorlockP
5/ oh, I'm skipping over something as implicit, but it's very very important: drill bits can be / must be sharpened !!!
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Replying to @MorlockP
6/ you wouldn't buy a chisel or a saw from the store and then use it forever without ever sharpening it (well, most people do, in fact...)
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Replying to @MorlockP
ⓘ Dogs don't have thumbs Retweeted Arthur Frelling Dent
7/ I have had great luck sharpening EVERYTHING: hand saws, chisels, drill bits, etc.https://twitter.com/ArthurFrDent/status/831212097547612161 …
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Replying to @MorlockP
8/ Another hard earned lesson, tho - drill bits are not hardened through the entire shank / web - just the front 1/2". So if you snap off >
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Replying to @MorlockP
9/ you can, in a technical sense, sharpen the bit 2" further back...but it won't hold the edge at all. So don't bother.
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ⓘ Dogs don't have thumbs Retweeted Ghost Waffle
10/ Not surprising. Drill bit are actually fairly complicated tech: precise nose angle, precise relief angle,https://twitter.com/Octapode/status/831212368646529024 …
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Replying to @MorlockP
11/ flutes are a certain helical angle, body center ground, thickness of web changing over length... so easy to make a trashy drill bit.
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Replying to @MorlockP
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