Updated better method here: https://youtu.be/M3Ul-s9_MA0
Make your own homemade broaching tool for “drilling” perfectly square holes in steel.
In this case we are using it as a tool holder on a milling machine slotting attachment.
Long term projects here: https://www.Patreon.com/AvE
KPF (Korea Parts & Fasteners) – The biggest industrial fastener manufacturer in Korea
Website: www.kpf-global.com
Contact: Yongtaek An (ytan@kpf.co.kr)
** Contact **
Houston, TX: John Hwang of JH Fasteners (johntbolt@sbcglobal.net)
Other regions: Robin Park (jwpark@kpf.co.kr) or Yongtaek An (ytan@kpf.co.kr)