Sears with 1SaleADay has the Maxtech 51043MX 120-Piece Drill Bit Set with Indexed Steel Case for $20 with free shipping. Includes multiple drill bits in common sizes with hardened titanium coating and 135-degree split point.
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Neither this listing nor another recent one for the same Maxtech bit set makes any suggestion that the bits are of high-speed steel (HSS). The safe rule is, then, to assume they are not - and thus, they are useless, except to make a few holes in soft wood.
I don't understand I was drilling hardwood at high speed and the bit exploded & took my eye out.
I only paid $20 for this new set. It said "Made In China" so I figured it was good stuff and you know you can trust Sears these days.
for 20 bucks, I will burn up half of them to drill through warm butter...but who cares?
lol, drill bit trolling.
Ti coated bits are fine for hardwood, fiberglass, plastic, etc. I use mine (different brand) a lot on aluminum and copper too, but as you probably already know you should use oil when drilling metal. Just don't confuse them with cobalt and try to drill steel unless it's pretty thin and unhardened.
Yes they are HSS bits, nobody would add the expense of a Ti coating without them already being HSS, it'd make no sense.
If it were really TiNi, they would be fine. We all know (well, I thought we all knew) about these chinese sets, which have a HSS TiNi 1/8, 3/16 and 1/4" and everything else is pot metal dipped in gold paint.
Really. OK, here we go: http://www.bridgecitytools.com/blog/2010/10/25/5-for-a-18-twist-drill-only-in-america/
^ That link reads more like fictional propaganda than reality. They aren't going to be equivalent to premium brand bits but there's a large gulf between that and what the blog post implied, and dipping them in paint instead would make them visually different.
Also, motor windings use a very long piece of wire, far longer than would be found with insulation on it in any consumer appliance and even on generic junk motors it is obvious they aren't spliced together, that would be visible and make the motor huge, AND the vast majority of insulated wiring in appliances, automobiles, etc is multi-strand while most motor windings are solid core.
Is it possible one factory did this in the past? Maybe, but unlikely and it would be wrong to assume that's common as I've never heard of anyone finding an existing motor made like that.
Of course there are other reasons to avoid cheap generic power tools like no UL safety testing, poor bearings, crap or contaminated grease, questionable power rating margins, undersized motor for the task, sub-standard enamel on the windings, poor quality metal and plastic, etc. Even then, there are some quality Chinese tools for cheap if you want to play that lottery.