Member Since: 21 Oct 2016
Location: kent
Posts: 13877
Wonder if something like a Tungsten carbide drill bit would work drilling boron steel
5th Jun 2020 8:43 am
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1798
There are special boron drill bits called "Boron Killer" ( I think they are German) as the drill bit needs to be harder than the steel. The other secret is to use coolant and a slow speed - 500/800 rpm for best results
5th Jun 2020 9:14 am
nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4193
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