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Thread: Brass Shop Hammer

  1. #1
    rossbotics rossbotics's Avatar
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    Brass Shop Hammer

    I made this little hammer for adjusting work in the lathe chuck, seating parts in the mill vise Etc. It's just an all around light tapping hammer for whatever, I have for a long time just used a 1" diameter piece of brass about 3" long with no handle just to bump something lightly, So I decided to make something a little more appropriate.

    The head weighs 6oz. and made from 1" diameter 360 round brass, the handle is made from 5/8" diameter 303 stainless steel round with a medium knurl, the knurled end of the handle is drilled 3/8" diameter X 3.5" deep, this balanced the hammer very good, the handle screws into the head with a drop of Loctite, different heads could be made of lead, plastic, copper, Etc.

    Below you will find some photos and a cad drawing of the completed hammer

    as always, thanks for looking and happy machining

    Doug

    Brass Shop Hammer-1.jpg

    Parts of the hammer

    Brass Shop Hammer-2.jpg

    Assembled

    Brass Shop Hammer-3.jpg

    Different view

    Brass Shop Hammer-4.jpg

    Another view

    Brass Shop Hammer-drawing.jpg

    Cad drawing
    Last edited by rossbotics; 01-25-2017 at 02:48 AM.

  2. The Following 8 Users Say Thank You to rossbotics For This Useful Post:

    Bobinwa (01-31-2017), Christophe Mineau (01-27-2017), DIYer (01-26-2017), Harrzack (04-16-2017), jjr2001 (01-18-2018), Paul Jones (01-24-2017), PJs (01-25-2017), rendoman (01-26-2017)

  3. #2
    Paul Jones's Avatar
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    Doug,
    Very nice looking hammer and just the right size for light tapping. Thank you for sharing your plans. I would have never guessed 89 degrees for the on each side for the taper.
    Paul

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    rossbotics rossbotics's Avatar
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    Thanks Paul and your welcome
    The taper is 1° from the horizontal plane, the 89° is taken from a vertical plane

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    PJs
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    Thanks Doug, another beauty. I enjoyed seeing the radii at the ends of the handle taper section...First class!

    Regards,
    ~PJ
    ‘‘Always do right. This will gratify some people and astonish the rest.’’
    Mark Twain

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    Content Editor DIYer's Avatar
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    Thanks rossbotics! We've added your Brass Hammer to our Hammers category,
    as well as to your builder page: rossbotics's Homemade Tools. Your receipt:




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    It's always a pleasure to see your projects!

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    Very nice. The .257" tap drill is correct, also known as a letter F drill, but most people will just have a 1/4' bit handy which will work just as well.

  10. #8
    rossbotics rossbotics's Avatar
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    Quote Originally Posted by Ron 2 View Post
    Very nice. The .257" tap drill is correct, also known as a letter F drill, but most people will just have a 1/4' bit handy which will work just as well.
    I drill and tap a 5/16" hole using a 17/64" drill, works just fine, 1/4" drill is getting a little to tight, anything over 17/64" is getting to loose, pick your poison

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    mklotz mklotz's Avatar
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    (5/16 - 1/4) * 18 / 0.013 = 86.5 % depth of thread (quite tight)

    (5/16 - 17/64) * 18 / 0.013 = 64.9 % depth of thread (much better, easier to tap, very little loss of strength)

    For comparison, an 'F' drill gives...

    (5/16 - 0.257) * 18 / 0.013 = 76.8 % depth of thread (deeper than necessary)

    For the source of these calculations see...

    Calculating tap drill size
    ---
    Regards, Marv


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    Jon
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    Congratulations rossbotics - your Brass Hammer is the Tool of the Week!

    It's difficult to win this award with a common tool. This is our first winning hammer in years of giving this award, and I think we chose a good one.

    This was another week with numerous nice entries; it just keeps getting better around here.

    Some good picks: a Tailstock Pressure Plate by Cascao, Self Setting Parallels by Metaler, a Lathe Chuck Security Lock by olderdan, Boring Head, Insert Holder, and Chamfering Tool by tonyfoale, a PVC Coupler by rgsparber, a Drill Press Large Hole Cutter by Vyacheslav.Nevolya, a Pin Spanner by Cascao, a Handheld Nibbler Mount by astroracer, a Wire Bending Tool by jjr2001, and a Collection of Woodturning Tools by connan. There's also an unfinished but interesting build of a Laser Cutter by Strostkovy.


    rossbotics - you'll be receiving a $25 online gift card, in your choice of Amazon, PayPal, Giftrocket, or bitcoin. Please PM me your current email address and gift card choice and I'll get it sent over right away.

    That's win #12 for rossbotics! Here are all of your previous wins. Especially notable is the contrast between the simplicity of this hammer and the last win for a very complex Machine Tool Dial Making Fixture.




    Congrats again and nice job!


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