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  1. #106
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    Quote Originally Posted by rob streeper View Post
    The hole-diameter section of the punches are right at 7mm long. This is the 3/16" punch.
    Hi Rob ... I was meaning how deep the mouth is ... looks like maybe 50mm or so?
    Thanks,
    Paul

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  3. #107
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    Dec 2013
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    San Antonio, Texas, USA
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    Quote Originally Posted by pmcgee View Post
    Hi Rob ... I was meaning how deep the mouth is ... looks like maybe 50mm or so?
    Thanks,
    Paul
    The throat depth with the work-stop removed is right at 44 mm from the center of the punch pin. I am looking at bigger punches, like the No.'s 7 and 8 that are 3 and 5 ton capacity respectively if I remember correctly.
    Cheers,
    Rob

  4. #108
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    Nov 2011
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    Melbourne
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    One question
    How do u a line a your saw plate after punching your holes
    So ever thing fits when u go to put the saw together
    My method works but find it is tedious
    Hence why I like to drill with the saw plate clamped in the saw handle slot in position
    Just trying to get other ideas here
    Cheers
    Matt



    Sent from my iPhone using Tapatalk 2

  5. #109
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    Dec 2013
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    Quote Originally Posted by Simplicity View Post
    One question
    How do u a line a your saw plate after punching your holes
    So ever thing fits when u go to put the saw together
    My method works but find it is tedious
    Hence why I like to drill with the saw plate clamped in the saw handle slot in position
    Just trying to get other ideas here
    Cheers
    Matt



    Sent from my iPhone using Tapatalk 2
    Hi Matt,

    I use transfer punches, 28 Pcs 3 32 1 2" Transfer Punch by 64th Set Punches | eBay
    to mark the plate then punch the holes as I described above.

    Cheers,
    Rob

  6. #110
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    Nov 2011
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    Melbourne
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    Thanks Rob
    I know exactly what u mean
    Thanks


    Sent from my iPhone using Tapatalk 2

  7. #111
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    Dec 2013
    Location
    San Antonio, Texas, USA
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    Default Anybody here interested in split nuts?

    Hi All,

    I am considering bulk production of the small saw screws that I am using. I plan to narrow the screwdriver slot to 0.040"-0.045". At first I will make 7/16" diameter, 1/2" and 9/16" will come later depending on demand. Would anybody here be interested in such screws if they are priced in the $4-$5 dollar range/ea. for small quantities and about 30% less for larger quantities?

    Thanks,
    Rob

  8. #112
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    Dec 2005
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    Quote Originally Posted by rob streeper View Post
    Hi All,

    I am considering bulk production of the small saw screws that I am using. I plan to narrow the screwdriver slot to 0.040"-0.045". At first I will make 7/16" diameter, 1/2" and 9/16" will come later depending on demand. Would anybody here be interested in such screws if they are priced in the $4-$5 dollar range/ea. for small quantities and about 30% less for larger quantities?

    Thanks,
    Rob
    Rob, that looks pretty reasonable. Postage is an issue, a quick look at US Post indicates a 1 lb parcel at cheapest rate to Oz costs US$15.08. Approx how many might screws fit in a small parcel under 1 lb? 4 lb parcel postage costs US$35.

    Cheers
    Peter

  9. #113
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    May 2008
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    Australia
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    2,357

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    Rob. Can I make the suggestion you consider increasing the length of thread on your saw bolts. Apologies for converting your drawing dimensions into metric but we tend to understand this system more than imperial here in Australia. I would make it at least 5mm As you have it now your only allowing 1.23mm play to handle thickness between with the saw nut wound right down and being flush to the top thread. 21.10mm to 22.32mm. Mighty tight tolerance. May pay to enquire the members as to the range in saw handle thickness they prefer working with. It most likely above the max your allowing. Also, do you plans to supply a star lock washer to suit with each of your saw bolt assemblies.

    Stewie;

    Rob. I just rechecked your saw bolt drawing. Would I be right in suggesting the depth of thread should show 0.20" and not .020".

  10. #114
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    Quote Originally Posted by Heavansabove View Post
    Rob, that looks pretty reasonable. Postage is an issue, a quick look at US Post indicates a 1 lb parcel at cheapest rate to Oz costs US$15.08. Approx how many might screws fit in a small parcel under 1 lb? 4 lb parcel postage costs US$35.

    Cheers
    Peter
    Peter,

    I'm going to look further into the issue but Ebay here is offering a new international shipment option. My first appreciation is that it may be possible to post offerings of these screws using the standard USPS flat rate boxes and have them go international for the same price as domestic. They start at $5.80 and go up to about $17 for the 'large' size boxes. I'll check into it today and post what I learn.

    Cheers,
    Rob

  11. #115
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    Dec 2013
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    Quote Originally Posted by planemaker View Post
    Rob. Can I make the suggestion you consider increasing the length of thread on your saw bolts. Apologies for converting your drawing dimensions into metric but we tend to understand this system more than imperial here in Australia. I would make it at least 5mm As you have it now your only allowing 1.23mm play to handle thickness between with the saw nut wound right down and being flush to the top thread. 21.10mm to 22.32mm. Mighty tight tolerance. May pay to enquire the members as to the range in saw handle thickness they prefer working with. It most likely above the max your allowing. Also, do you plans to supply a star lock washer to suit with each of your saw bolt assemblies.

    Stewie;

    Rob. I just rechecked your saw bolt drawing. Would I be right in suggesting the depth of thread should show 0.20" and not .020".
    Stewie,

    Yes, I see that I posted the wrong drawing. The current threaded section is 0.2". Shouldn't be a problem making it longer.

    Cheers,
    Rob

  12. #116
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    Dec 2013
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    San Antonio, Texas, USA
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    Quote Originally Posted by rob streeper View Post
    Peter,

    I'm going to look further into the issue but Ebay here is offering a new international shipment option. My first appreciation is that it may be possible to post offerings of these screws using the standard USPS flat rate boxes and have them go international for the same price as domestic. They start at $5.80 and go up to about $17 for the 'large' size boxes. I'll check into it today and post what I learn.

    Cheers,
    Rob
    Seems that Ebay adds international post to the domestic rate. Looking around at listings I found one that ships 500g to the US for $25Aus. Each screw-nut combined weighs 7.93 gm, add a few mg for a lock washer and let's say 8 gm total/screw.

    1 screw mass.jpg

    For 10 screws.

    10 screws mass.jpg

    I have been packing the screws by cutting slots into this structural foam, inserting the screw and then wrapping with tape. A block of the foam that would completely fill the smallest flat rate box weighs 21.5 gm.

    packing foam.jpg

    The box goes 53 gm.

    small flat rate box.jpg

    Lets say another 30 gm. for tape giving us a packing total of 104.5 gm for packing leaving us 395.5 gm for screws. 395.5 gm/8 gm/screw = 49.3 screws. I have checked the dimensions of the foam and I can fit 17 screws across and 5 down for a total capacity of 85 screws, thus fitting 50 is not a problem. The total mass of a full, 85 screw package would be 785 gm or so. I'd sell you guys the screws in this quantity for $3.00US each so the price would be $150US + post for 50 and $255US for 85 and I'll pay the postage.
    It will take me a month or so to have the new design in my hands. I have 79 of the old design now.

    Thanks,
    Rob

  13. #117
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    Sep 2010
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    For interest what would domestic post be in the US to 90250 for the 50

  14. #118
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    Quote Originally Posted by Pac man View Post
    For interest what would domestic post be in the US to 90250 for the 50
    It would ship at the standard flat-rate of $5.80.

  15. #119
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    I've come late to this thread

    however I'd be interested in a handful of screws if there are others keen
    regards
    Nick
    veni, vidi,
    tornavi
    Without wood it's just ...

  16. #120
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    OK, Postage from the US can be cheap if you use the pre-made boxes that are for VIDEO"S.
    You'll have to get the post office to get them in as most don't carry them anymore (but its listed on their website).
    But it has a fixed price to AUS of 23 bucks for on-line and 24 if you do it at a PO, And you can go up to 4 pounds.
    Its bigger than the small flat rate box but its the same price.
    And a lot bigger thhan the dvd box that is also the same rate. 5/8 inch vs 2 inch thick box.

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