[AT] Drill bits
Bill Thompson
billt at agiftofmaine.com
Tue Oct 15 08:25:15 PDT 2013
John, thank you for the advice. I never knew that, made in the USA is the
one to by. Bill Thompson
-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Dick Day
Sent: Monday, October 14, 2013 10:41 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Drill bits
John, you must be physic :) I was just going to ask what bits to buy.
Whether or not I go with a sharpener or not, I must replace most of my bits.
Great advice below, I will start shopping.
Thanks
Dick
--------------------------------------------------
From: <jtchall at nc.rr.com>
Sent: Monday, October 14, 2013 9:06 PM
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Subject: Re: [AT] Drill bits
> Never used a Drill Dr but have heard good comments. Speaking as a
> machinist, buy decent quality drill bits to begin with. China and
> India have yet to make a real cutting tool of any sort. Stores like
> Sears and the big box home improvement stores normally rip you off on
> drill bits, at least they were overpriced the last time I checked one
> of them. The best place to buy drills is from somewhere like MSC,
> Travers, or Enco. The "made in USA"
> bits
> those places carry should be fine or you can step up a bit and buy
> something made by Cleveland, PTD, or Nachi. Most drills homeowners
> have are jobber length, 118 deg. point. Black Oxide or Bright finish
> should be fine, unless you really want to spend the money on a set of
> coated drills. Sharpen the bit before you burn it up, in other words
> as soon as it begins to dull. If the drill is really dull, consider
> first sharpening it on your pedestal grinder, then put it in your
> Drill Dr.--you'll save a lot of wear on the grinding wheel in the
> drill sharpener--at least that is my policy for using the drill
> grinder at work (it's a large floor model).
>
> Regarding sharpening by hand, go ahead and try. Use a new drill bit as
> an example and grind the dull one until it looks like the new one. For
> what it is worth, most people can't sharpen a bit by hand, and of
> those that can, most of them don't do it properly. It takes a lot of
> practice to develop this skill. Outside of a manufacturing
> environment, you're probably only interested in drilling clearance
> holes for bolts anyway.
>
> John Hall
>
> -----Original Message-----
> From: Dick Day
> Sent: Sunday, October 13, 2013 11:07 PM
> To: atis
> Subject: [AT] Drill bits
>
> I guarantee that everyone on this list knows way more than I do about
> tools.
> I assume that, like most things, you get what you pay for. Years ago,
> I bought what I thought was a very good (expensive, at least for this
> wallet)
> set of drill bits, that went from just thicker than a hair to 1/2"
> They performed well but over the years they have pretty much worn out,
> and I hate to admit it, I broke a few and lost one. When drilling any
> type of metal, I always have a can of 3-in-1 Oil with me and use it
> liberally.
>
> Does anyone use a Drill Doctor (or similar piece of equipment) to
> lengthen the life of your bits? It looks like they range in cost from $50
to $250.
> Before I invest in a new set of bits, any thoughts on renewing verses
> replacing?
>
> Thanks
>
> Dick
>
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