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  1. hvnlymachining

    Half Nut material

    Aluminum has a tendency to gall against steel and essentially weld to steel under even moderate friction loads. Also steel and aluminum corrode each other. Brass, bronze, cast iron, even a different hardness of steel are all much better choices. I would consider UHMW or Delrin plastics as far...
  2. hvnlymachining

    FS: Quillmate "no-drill" dial indicator for Bridgeport Mill quill

    PM incoming
  3. hvnlymachining

    4 jaw chuck help.

    eBay is a good option, four jaw chucks are the most universal of all chucks and usually fairly inexpensive, at least compared to the cost of all of the other tools you'll soon want to add to your collection. As far as capacity, that all depends on how you hold the part, and WHAT the part IS! A...
  4. hvnlymachining

    Shrink fit into cast iron

    Cast, bronze or steel ( as long as it gets lubrication) should all be fine. You're not going to run at 500 rpm so galling isn't likely if proper clearance is maintained. Make sure to keep that oil port operational and filled often. On a grinder good lubrication is the only chance at decent life...
  5. hvnlymachining

    1" - 8 "Furrow- Thread" ???? What does Furrow mean?

    I would think "U" shaped "threads" . These are fairly common in cable ferrules. But better make sure with the customer. The fairly sharp crowns help bite into the cable.
  6. hvnlymachining

    Successful Failure, Again!

    300 psi should be plenty if you can achieve, less might work depending on your chips.
  7. hvnlymachining

    In need of 7/32 od by 50' long stainless rod

    Just what I was thinking, unless they need a few tons of it. I have trouble just getting 24' sticks shipped. Most freight companies limit under 14' these days.
  8. hvnlymachining

    Allied Spade Drill

    Don't sweat it then, drill won't wander that much anyway. Play with your speeds and feeds to find the sweet spots and run with it.
  9. hvnlymachining

    14" Pacemaker spindle speeds and pulley size

    Thanks for checking!
  10. hvnlymachining

    14" Pacemaker spindle speeds and pulley size

    I used a spring caliper.
  11. hvnlymachining

    FS: NMTB50 MT3 adapter, Kwik-Switch 400 holder, MONSTER face mill and mystery quick change holder

    Haha, I get plenty of that with 4"- 6" bar steel, which is pretty commonly used here.
  12. hvnlymachining

    For sale, lots of Ingersoll inserts and 1 Max-I-Pex mill

    Here's the rest, if anyone is interested in one type, I'll get the dimensions posted. I don't want to waste time if nobody's interested. Thanks
  13. hvnlymachining

    For sale, lots of Ingersoll inserts and 1 Max-I-Pex mill

    First item is the Max-I-Pex 26J1K2081R01 63884-E Insert mill w/ 15 inserts. This mill uses 2 styles of inserts, I have only one of them. Buy the inserts and get a free mill? $2.50 per insert ( Not every box is full) price too high? Let me know. Unfortunately I have no inserts numbers on...
  14. hvnlymachining

    14" Pacemaker spindle speeds and pulley size

    I have a 1500 rpm 14" Pacemaker, the pulley measures 6-1/2" OD approximately. the pulley on my 1000 rpm 16" isn't original so I can't compare them.
  15. hvnlymachining

    FS: NMTB50 MT3 adapter, Kwik-Switch 400 holder, MONSTER face mill and mystery quick change holder

    Nope, no inserts in stock here (maybe one, no box) I guess I'll have to pass. Looks like I need to sell some Ingersoll inserts, 10 years and nothing that uses them, time to go.
  16. hvnlymachining

    Allied Spade Drill

    I drill 4140 CDHT often but very little stainless, when I use my 1/2" x 9" deep AMEC (cobalt, tiny chip insert) I start with a stub drill for starting no center drill, and switch to the long drill to finish. High pressure coolant (mineral oil) never had any trouble. But then the OP hasn't...
  17. hvnlymachining

    FS: NMTB50 MT3 adapter, Kwik-Switch 400 holder, MONSTER face mill and mystery quick change holder

    The taper angle looks interesting, 🤔 Does it have the angle written on it? Price?
  18. hvnlymachining

    Places to list used industrial/commercial equipment?

    Dealers out here (SD) have more sleds than they can move, might not be too bad to try with a few, although they're much cheaper out of season. Might be too late this year, I can see the slopes about fifteen miles (and 4000 feet up) from my house as the crow flies. They've got plenty of the...
  19. hvnlymachining

    FS: NMTB50 MT3 adapter, Kwik-Switch 400 holder, MONSTER face mill and mystery quick change holder

    Not a monster, Still.... I may have a pile of inserts that fit it, and have to make another purchase. I'll let you know.
  20. hvnlymachining

    Allied Spade Drill

    I use a lot of AMEC and similar drills, a pre drill helps, but depending on a few factors isn't always necessary. I do start in feeding slow until the tip stabilizes if no pre drill is used.

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