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  1. #61
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    There was some more info on this older thread:
    http://www.woodworkforums.com/f65/ta...-magic-175791/

  2. #62
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    Quote Originally Posted by Stustoys View Post
    Out of interest how close to size does the hole need to be? perhaps we should be reaming them before tapping?
    Stuart
    The smaller the thread, the more accurate you need to size the hole. On sizes below M10 you can certainly feel a difference in torque required, for every change of 0.1mm in drill diameter. Once you go below M3, a change of 0.1mm can mean the difference between a tap breaking or not. I would say that if working on small scale workpieces and doing metric threads, a 0.1mm increment drill set up to 6mm is a necessity. From there up a drill set 6-12mm in 0.1mm increments is desirable, but if too expensive can be replaced by a 0.5mm increment set PLUS a small number of additional single drills in 0.1 increments to cover the ranges required for M8, M10 and M12 taps and a few 10ths above.

    And yes you are right, one should indeed ream holes that are to be tapped with tapered pipe taps such as NPT for air and oil lines.

  3. #63
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    Quote Originally Posted by FenceFurniture View Post
    I need to purchase a fairly simple Tap & Die set to use for odd jobs. I will need Imperial as well as Metric, and just in the common sizes, although it would be very useful to add a specific size on demand.

    I imagine that I would be using them mostly on Mild Steel, but I guess there would be enough occasions where I wouldn't be able to determine what the steel is (I need to put a thread on this particular rod so as to fit an M8 nut - who knows what the rod is).

    Looking at the McJings site, they have a fairly good selection, and a few questions come out of that:
    HSS or High Carbon steel? It doesn't have to be fantastic for the amount of use it will get, but "lasting for more than one use" is desirable (I've experienced Chinese steel in drill bits - never again)
    When it comes to Imperial there are a few different thread options in BSW, UNC, UNF etc. Is BSW the standard "garden variety"?
    Are the McJings T&Ds of reasonable quality? If not, what would you recommend?
    Looking at the Metric versions there, the seem to have two different pitches for quite a few of the diameters (e.g. M6 can be either x0.75 or x1). Is it the larger pitch that would be regarded as the standard?

    Any and all pointers and help appreciated.
    Despite the extra cost ,HHS is the set I would be inclined go with as I do a bit of tapping in stainless less and carbon steel taps are really not up to work in stainless for any period of time. However it is your pattern of use that would dictate the purchase. If you are going to use them with a lathe, the type with a center make axial alignment an easy task.

    Choose a name brand of a well known manufacturer. I would be looking a buying taps & dies as I needed them paying attention to the wrenches and handles as those from even some of the better brands have some bloody annoying characteristic. The adjustable tap handles are a pain in the rrse as the non adjustable side will unscrew.
    If a set is better to your liking a set of Gear wrench taps and dies made in Taiwan are very good value around the $80 mark but be aware the dies are button dies -no slit in the die nut.The up side is the the handle system is superb.
    I would include a pic but cook wants me to go out with her so maybe later.

    Cheers
    Grahame

    cheers

  4. #64
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    Quote Originally Posted by Bushmiller View Post
    There's no pictures
    That's great Paul - thanks very much for going to that trouble!

    Yairs, it has moved along quickly hasn't it? Stacks of good info though. I suppose pipeclay is right in that there's a lot of info there for a backyarder to digest, but that's ok, I can just filter it when it goes into the rabbit hole, and retrieve when necessary.

    Graham - yes a pic of your set would be excellent please.
    Regards, FenceFurniture

  5. #65
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    Quote Originally Posted by FenceFurniture View Post
    I suppose pipeclay is right
    Oh god please don't encourage him!

    Ew
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.

  6. #66
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    Quote Originally Posted by Grahame Collins View Post
    If a set is better to your liking a set of Gear wrench taps and dies made in Taiwan are very good value around the $80 mark but be aware the dies are button dies -no slit in the die nut.The up side is the the handle system is superb.
    I would include a pic but cook wants me to go out with her so maybe later.

    Cheers
    Grahame

    cheers
    These the ones ?

    Gear Wrench 40pc TAP DIE | eBay

  7. #67
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    Quote Originally Posted by morrisman View Post
    I have that exact set. I never use the taps or dies. I do however use the ratcheting tap wrench frequently. That alone is worth every penny of the $75 (inc postage) that you pay for the set.

  8. #68
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    Fence furniture,
    Morrisman has posted the pic for us,ta Morrisman!

    Theyare the set I have, and look at the bloody price . I paid $80 and thought I got them cheap. After fritzing around with some of the standard tap and die handles the Gear Wrench set are a pleasure to use as the handle is made to fit both the the die unit or the tap unit, both of which snap in.

    The handle has a reversible ratchet built in and looks and feels like a bit of quality kit.
    It is a wholly metric set and there is a imperial UNC/ UNF one available as well.

    The vacuum moulded box has the home aperture for each tap and die named so you know exactly where to put them back.

    The woeful set I got from H &F around the same price, have the dies fall out when you close the box.

    Grahame

  9. #69
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    Of course you can buy just the wrench etc but it is more than the set Mike linked above. KD Tools 5 Piece Gear Wrench TAP AND DIE Adapter SET Sold AS Each | eBay

    Ew
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.

  10. #70
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    Well Graham, by all accounts that would appear to be the way to go for a starter kit, and maybe add on a few imperials because I only really need a few sizes in them (1/4, 5/16, 3/8). More than likely I'd be doing them by hand as I don't run a conventional drill press (and they'll be few a far between as far as I can see).

    What say the collective wisdom? To make it easy you could just give Graham's last post or Morrisman's post a "like".
    Regards, FenceFurniture

  11. #71
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    Quote Originally Posted by Ueee View Post
    Of course you can buy just the wrench etc but it is more than the set Mike linked above. KD Tools 5 Piece Gear Wrench TAP AND DIE Adapter SET Sold AS Each | eBay

    Ew
    Yes, it briefly crossed my mind to make variant22 an offer, until I realised just that!

    Hmmm, although I could buy the imperial set and have the handle and then pick up the metrics that are not used........surely the handles would be the same (either metric or imperial hole.....otherwise they'd have to make two different ones, which wouldn't make any sense)
    Regards, FenceFurniture

  12. #72
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    Correction.

    Mr. Alzheimer let me down badly. The HSS set I purchased was from Hare and Forbes, not Carbatec ( Advertising executives of both businesses can PM me for bank details if they wish to voice their thanks in the time honoured manner ).

    Having said all that, I suspect (but don't know), that equal deals are available out there and reading subsequent posts that would appear to be the case.

    I have to say I am not up to speed on such things although I am not back in the dark ages. I did hear however that George V1 has passed on and some bird is on the throne.

    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

  13. #73
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    Interesting. When you go to the Gasweld website the Metric set is still $63, but the 40 piece Imperial is $95. I guess that's because they make far fewer Imperials.

    Looks like the Imperial set would cover what I need - UNC & UNF in the common sizes, but your comments are appreciated, as always.
    Regards, FenceFurniture

  14. #74
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    I go past that particular Gasweld every time I go into Newcastle for work.
    Give me a yell if you want me to pick something up.
    Built: a Bench,a Desk,an Archery Display,

    Those were the droids I was looking for.

  15. #75
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    Chaps, a couple of Qs on that Gasweld set:
    • I've looked and looked and I can't see what steel they are (and you'd think they would mention if it was HSS).
    • Maybe it's been mentioned in today's plethora of posts, but Graham when you say they are button dies, so no slit, what is the implication of this please?

    Cheers
    Brett
    Regards, FenceFurniture

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