Free 186 More Best Homemade Tools eBook:  
Get 2,000+ tool plans, full site access, and more.

User Tag List

Page 3 of 3 FirstFirst 1 2 3
Results 21 to 23 of 23

Thread: poor man's square broach

  1. #21
    Supporting Member Frank S's Avatar
    Join Date
    Aug 2015
    Location
    Peacock TX
    Posts
    11,179
    Thanks
    1,974
    Thanked 8,766 Times in 4,195 Posts

    Frank S's Tools
    I've never tried to use this method on anything thicker than 1 .5 times the square of the hole IE approximately 6mm square hole through 10 mm mild steel. and always a long taper a 1/2"20 tpi taper starting tap goes through 1/2" mild steel fairly easy but sometimes starting out with a size smaller tap to initially start the cutting process by removing part of the metal then finishing off with the size you need will reduce the risk of breakage.
    This is the reason some of the draw broached I used to have were 30" long, for cutting a .75" dia. 6 spline while broaching through 2" thick materials

    186 More Best Homemade Tools eBook
    Never try to tell me it can't be done
    When I have to paint I use KBS products

  2. #22
    Supporting Member mwmkravchenko's Avatar
    Join Date
    Nov 2017
    Location
    Perth Ontario Canada
    Posts
    1,002
    Thanks
    5,081
    Thanked 370 Times in 262 Posts
    A great example of using what you to make what you don't have!

    2000 Tool Plans

  3. #23

    Join Date
    Jun 2018
    Posts
    9
    Thanks
    77
    Thanked 9 Times in 3 Posts
    Use it up; wear it out; make it do; or do without! :-)



    186 More Best Homemade Tools eBook

Thread Information

Users Browsing this Thread

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

Bookmarks

Posting Permissions

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