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  1. W

    getting a snug fit end tapping aluminum extrusion

    Thanks for these replies. I think the 14-20 tap may well work. Never knew they existed! I can also perhaps make the part from 3d printed plastic rather than aluminum (may be better for me, as it's a complex part). The plastic may well make a nylok-nut like threaded hole with the undersized tap...
  2. W

    getting a snug fit end tapping aluminum extrusion

    I'm end tapping 2020 (20 mm square section) aluminum extrusion with 1/4-20 threads, and I want to hold the screw like a nylok nut would, so a component held by the screw can rotate without causing any loosening of the screw. I'd like the rotation to be with slight fiction with nylon...
  3. W

    Nylon or acetal gears to replace baltic birch known to work

    Wow, thanks! this is a lot of information and many opinions to take in. I've learned a lot from these many replies. The current plywood gears are made on a decent quality woodworking grade CNC router, in full sheets by a guy I connected with on the 100KGarages site, and he's been great. I...
  4. W

    Nylon or acetal gears to replace baltic birch known to work

    Thanks for these replies. I'm looking for more than a few....used in sets of 7, and I'd order 100-200 sets at a time.I haven't found anything off the shelf close. I can get the acetal to make a set for $13. I've been paying $10/set for these in baltic birch. Any suggestions for off-the-shelf...
  5. W

    Nylon or acetal gears to replace baltic birch known to work

    I make a light duty woodworking power feeder from mostly baltic birch and hardwood. I know most potential customers are turned off by its home made appearance. It works great for the things it's designed for, and I think if it looked better and used more conventional materials, I'd sell a lot...
  6. W

    rfq-machined aluminum bars

    Thanks for the suggestion...I"m near Greenfield MA.
  7. W

    rfq-machined aluminum bars

    I'm looking to redesign a small woodworking power feeder I currently make from predominantly baltic birch plywood, powered by a cordless drill. My plan is to switch to aluminum plate and bar and extrusions to make it look at least somewhat less ridiculous. I don't know if the price I can get...
  8. W

    Well crap - I am ordering a SawStop tomorrow. (Mildly graphic pictures)

    The feeder is light duty for the table saw, no doubt. It can be used in conjunction with Jessem hold downs on the same track, which is cool, and with plywood giving a measure of control beyond that of other systems. It's terrific for resawing on a band saw, allowing feed speeds down to about 2...
  9. W

    Well crap - I am ordering a SawStop tomorrow. (Mildly graphic pictures)

    Just read through this sobering thread. I've been hard contemplating the decision to replace my trusty Powermatic 66 as I know I don't have either the intensity of concentration, or rapid response I did when I was younger. So a big tip towards replacement after reading these many tales of woe...
  10. W

    adding a knob to a standard extrusion between slots

    "You (well, your customers) will definitely appreciate a steel thread insert for anything threaded that gets regularly fastened and unfastened in aluminum." That's what i thought. I have fixtures where I've had to replace simple tapped aluminum with steel inserts, which i did not find an easy...
  11. W

    adding a knob to a standard extrusion between slots

    I'm working on a product,a fence for a woodworking cross cut sled, which I hope to produce in limited production (100's of units) made from off the shelf 2060 aluminum extrusion. My design incudes a telescoping extension of my own design. My question is how best to create the threads for a...
  12. W

    tapping head wanted

    I'm looking for a tapping head to tap holes in mild steel, #6 and #10. #2 Morse taper mount , or mountable on 5/8" capacity drill chuck (is that how these straight shank ones mount?). Hoping to buy with collects capable of holding #6 and #10 taps.
  13. W

    unusual sized stel bar stock

    Thanks for these replies. i don't think any of them will get me what I want affordably in the quantities I'm thinking of (a few dozen to start--then maybe a few hundred). Didn't realize there could be warping issues as well. That would be very bad. My idea is to make a custom or...
  14. W

    unusual sized stel bar stock

    I'm looking for a source for 11/16" (ideally .67" , but 11/16" would work) x 3/8" mild steel bar stock to be used for table saw miter gauge bars. The usual suppliers offer stock sizes by 1/8ths. I need 24" lengths. Can these be obtained or customized in quantity for "low" cost? I can get stock...
  15. W

    substitute for Formby tung oil

    I like Sutherland Wells products. Several formulations of different solids content. Easy on the lungs, and reliably cure.
  16. W

    RFQ for grinding/alteration of T-nuts

    "On your sizing is that .96 plus or minus .030”, or are you thinking .003”." It really is .03"--no need for precision here. I'm looking forward to trying a few dozen with a belt sander fixture, and if I find it too laborious, I've got a couple reasonable quotes from people here. This forum is...
  17. W

    RFQ for grinding/alteration of T-nuts

    Thanks for these comments and suggestions. I'd been thinking more along the lines of nippers or angle grinders, but no real experience needing to do something like this in some quantity. I was hoping a machinist might have a quick way of doing these easily with the right tool. I realize the...
  18. W

    RFQ for grinding/alteration of T-nuts

    I'm looking for a quote for cutting flats on an existing round base Mcmaster T-nut :https://www.mcmaster.com/90596A250/ They're 1.25" diameter. I need them cut so that they'll slide, but not rotate, in a 1" wide groove. So target width of .96" with a .03" tolerance. Please quote for 200 and...
  19. W

    threads per inch in commercial threaded rod

    Yes this is more appropriate for woodworking section of this forum. The rod would not be used as a lead screw. It would be embedded in a recess, and would not turn. That's why 6-32 could work, and it's small size is a benefit for my limited space application. And since it's for woodworking...
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