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  1. #1
    Join Date
    Nov 2007
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    melbourne australia
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    Default Titanium Bolt-action Pens

    I just finished a batch of titanium pens as gifts for family and friends.

    Materials:
    • 10mm OD x 8mm ID Ti tube for the barrels.
    • Solid Ti rod for the "bolts", screws and tail caps.
    • Damasteel "Parallel Layers" pattern stainless-steel Damascus for the tips.
    • Parker G2 refill


    The barrels were wet sanded to 800 grit then anodised at 29V. With Ti anodising the voltage determines the colour. 29V= blue.
    The Damasteel tips were sanded to 2000 grit then etched in 12% sulphuric acid for 15 minutes. I initially tried hydrochloric acid, but I found the sulphuric gave a better contrast between the two alloys.
    Attached Images Attached Images
    Chris

  2. #2
    Join Date
    Oct 2010
    Location
    NSW
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    177

    Default

    Nice work Chris. I've never seen anyone do these from scratch like that. Very nice.
    If you don't mind, can you tell me more about your dividing device, or point me to where you have already.
    ...and your milling spindle - tell me more please - I own a 260 too.

    Cheers
    John
    Last edited by Picko; 25th Feb 2019 at 09:30 PM. Reason: just noticed the milling spindle

  3. #3
    Join Date
    Nov 2007
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    melbourne australia
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    Default

    Thanks John.
    Here's my thread about the indexer: //metalworkforums.com/f303/t201...light=indexing
    here's a post about the milling spindle: //metalworkforums.com/f65/t1210...65#post1945065
    Chris

  4. #4
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
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    Default

    Hi Chris,

    They look lovely ! If I was given one of those as a Christmas gift, I would be very proud of it.

    Thanks for the Pictures.
    Best Regards:
    Baron J.

  5. #5
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    Nov 2007
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    Default

    Thanks John.
    Chris

  6. #6
    Join Date
    Oct 2010
    Location
    NSW
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    177

    Default

    Quote Originally Posted by jack620 View Post
    Thanks John.
    Here's my thread about the indexer: //metalworkforums.com/f303/t201...light=indexing
    here's a post about the milling spindle: //metalworkforums.com/f65/t1210...65#post1945065
    Thanks Chris

  7. #7
    Join Date
    Aug 2011
    Location
    Melbourne
    Posts
    4,779

    Default

    Wow they are amazing. A pen is not just a pen when you receive one of those as a gift!

    Simon
    Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.

  8. #8
    Join Date
    Nov 2007
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    melbourne australia
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    Default

    Thanks Simon.
    Chris

  9. #9
    Join Date
    Apr 2012
    Location
    Healesville
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    Default

    Nice work Chris, and that Damasteel sure looks nice.
    A bit of a redesign and a 22 would slide in there nicely

  10. #10
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    Nov 2007
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    Default

    Thanks John. It would be a fairly straightforward mod for sure!
    Chris

  11. #11
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    Sep 2012
    Location
    York, North Yorkshire UK
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    Default

    Ooo, Shades of 007
    Best Regards:
    Baron J.

  12. #12
    Join Date
    Nov 2007
    Location
    melbourne australia
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    Default More Pens

    I made three more pens for the girls. Same design as the last lot, but with zirconium plungers. The Zr is heated to red hot and a black oxide layer forms. Apparently the oxide is as hard a sapphire, so hopefully it wont scratch from use. I polished the bore of the titanium barrel to minimise the chance of scratching the oxide. The barrels were anodised at 75V DC in a bicarb-soda solution.

    The photos reveal some scratches in the Damasteel tips that weren't visible to the naked eye. I'm sure the recipients won't mind.
    Attached Images Attached Images
    Chris

  13. #13
    Join Date
    Feb 2012
    Location
    Tamworth, NSW
    Posts
    202

    Default

    These are really great and something I’ve wanted to have a go at for some time. Thanks for posting!

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