Gday, This video I made new boring bar, The others I have don't have enough rigidity to do a 100mm long bore, I made this from materials I had laying around, I hope you enjoy the video and thanks for watching, Cheers
Instagram - mattys_workshop
Cutting inserts and coolant I buy from LiveTools - https://livetools.com.au/
Noga indicator stand - https://www.pretooling.com.au/
Mitutoyo coolant proof callipers - https://www.au.mitutoyo.com.sg/au-en