Free 173 Best Homemade Tools eBook:  
Become a founding member: 500+ tool plans, full site access, and more.

User Tag List

Results 1 to 2 of 2

Thread: adjustable step drill for bolt

  1. #1

    Join Date
    Dec 2013
    Thanked 2 Times in 2 Posts

    glockart's Tools

    Lightbulb adjustable step drill for bolt


    I present my too step drill.

    Turn and drill steel in round bloc and file the groove use air grinder tools.
    And oil quenching.

    finish manual sharpening.

    For good result in mild steel with a slow rotation and abundant lubrication.

    Thanks and sorry for my bad english.

    adjustable step drill for bolt-dsc_7516.jpgadjustable step drill for bolt-dsc_7518.jpgadjustable step drill for bolt-dsc_7519.jpgadjustable step drill for bolt-dsc_7524.jpg

    173 Best Homemade Tools eBook

  2. The Following User Says Thank You to glockart For This Useful Post:

    kbalch (Jan 3, 2014)

  3. #2
    kbalch's Avatar
    Join Date
    Jun 2012
    Clermont, FL
    Thanked 523 Times in 377 Posts
    Thanks glockart! I've added your Two Step Drill Bit to our Metalworking and Machining categories, as well as to your builder page: glockart's Homemade Tools. Your receipt:

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Tags for this Thread


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts