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  1. Replies
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    4,580

    Guhring makes an endmill with a 90 degree radius....

    Guhring makes an endmill with a 90 degree radius.
    Not sure on sizes available but they do make custom orders.Guhring RF100 90
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    815

    Hardinge R8 Precision Collets

    Inspecting the condition of my R8 smooth round collets the other day, I noticed something strange about a couple of my old Hardinge R8 collets. Hardinge is supposed to be a one piece design with no...
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    I have Bridgeport, Lyndex, News, Hardinge and...

    I have Bridgeport, Lyndex, News, Hardinge and Crawford R8 collets. The Crawfords are/were made in England are by far the best bang for the buck. .0004" TIR
    Lyndex reports a TIR of .0007"
    I will...
  4. I had similar problems with my Morse hole saws...

    I had similar problems with my Morse hole saws until I switched to r8 collets instead of a drill chuck.
    The trick for me was to use plenty of flood coolant using a spray bottle. I cut two holes in...
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    Chas. Parker 249x Vise Info needed....

    I may go look at a Charles Parker vise, a 249x or the re-issued model of the 249x (I read that it became another model number later on 84?, and need to know what the bottom swivel nut size is so that...
  6. Mitutoyo 509 series Dial Height gage zero set Tool

    Does anyone own a Mitutoyo 509 series 10" or 12" dial height gage and have the small brass zero re set tool? I'd like to make my own but need to know what diameter it is. I've attached a photo image...
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    7,310

    My Father was a surgical instruments machinist...

    My Father was a surgical instruments machinist for 30 years. He would sometimes Gold plate certain surgical tools, the handles anyway. I think it was to reduce static and bacteria.
  8. Replies
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    14,563

    McMaster Carr has machinable, low carbon, bearing...

    McMaster Carr has machinable, low carbon, bearing balls, case hardened, rockwell c60. Tough stuff, but if you can get past the case, you're half way there. Also, why wouldn't cylindrical brass, or...
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    855

    Yes, you are correct. Newly refurbished BP Mill....

    Yes, you are correct. Newly refurbished BP Mill. I only want a few Hardinge R8's in specific sizes., or I'll just buy Crawford collets, $18 each. I like the Hardinge collets because they don't have...
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    855

    Actually, Hardinge has them for $42.00 each,...

    Actually, Hardinge has them for $42.00 each, Amazon has them for $47-$67. I'm looking for used Hardinge R8 round collets. Yes, I've already bought a few on Ebay. I'm also looking at Crawford...
  11. Replies
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    855

    Wanted: Hardinge R8 Collets

    Looking for Hardinge R8 round collets in various sizes. Will purchase or trade for.

    Thanks.
  12. Replies
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    8,090

    I own several Albrecht SBF drill chucks. From the...

    I own several Albrecht SBF drill chucks. From the smallest to the largest. I really admire the craftsmanship and design that go into building these great drill chucks. ( also own several USA...
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    865

    APT boring head refurb

    I recently acquired an APT boring head, 3".
    I'd like to take it apart to clean and oil.
    Does anyone here have any experience taking these heads apart and what should I be careful of? I use Starrett...
  14. Replies
    9
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    4,657

    Hi Guys, I really need a copy of this manual,...

    Hi Guys,
    I really need a copy of this manual, Mit GML 3705 DRO, please! The one at work isn't working correctly, need to read manual and check to see if I'm doing something wrong. I would really...
  15. Replies
    6
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    14,297

    You can't download it unless you pay for a...

    You can't download it unless you pay for a subscription. You can only view it.
  16. Replies
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    3,110

    How accurate can the parts be made on a good 3d...

    How accurate can the parts be made on a good 3d printer? I just finished this fabrication job at a Lampworks metal shop and the pieces that I needed to fit on a lamp in brass angle was too big by...
  17. Replies
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    see...

    see
    http://www.vintagemachinery.org/pubs/2864/4337.pdf

    Old Jacobs chuck catalog
  18. Found info here ...

    Found info here
    http://vintagemachinery.org/pubs/2864/4337.pdf
  19. Clausing 4 Spindle DP and Jacobs chucks...?

    Does anyone know the type and size arbors that Clausing 4 spindle DP's need for Jacobs 14n and Jacobs No.3?
    Also what size Jacobs drift to remove the 14n from the Clausing?
  20. Apex tool techs recommend using a small pin punch...

    Apex tool techs recommend using a small pin punch to tap out the motor housing assembly at the center of the rear, end plate.
    while held semi tight in a vise. The "trick" is pressing it all back...
  21. Thanks. I found a very helpful tech from Apex...

    Thanks. I found a very helpful tech from Apex Tool Group and he gave a lot of great tips and information.
    I've disassembled and changed out parts for all of my die grinders. They're all pretty much...
  22. Replies
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    Guhring recommends that you use a 142° spot drill...

    Guhring recommends that you use a 142° spot drill for carbide drills 135 to 140° to prevent chipping.
    I now have one of those Guhring 142° spot drills since I use a lot of 135° drills bits.
    I like...
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    Mitutoyo digimatic absolute are excellent...

    Mitutoyo digimatic absolute are excellent calipers, the best as far I can see. You have to turn them off though or battery will die.
    And DON'T leave the battery in if you're not using it for while....
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    130137130138130139 Here is my similar problem...

    130137130138130139

    Here is my similar problem except the roll pin is 3/32" dia. stuck in a shallow blind hole.
    Any ideas? Thanks
  25. bump bump............

    bump bump............
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