Carbide drills are not good at metal as they snap unles feed rate is very= carefully controlled.=20 There is a also a serious risk of snapped drill-ends remaining in the = hole - these can be extremely difficult or impossible to remove. =20 On Mon, 14 Apr 2003 20:10:25 +1000, you wrote: >Would these be ok for metal drilling though? > >----- Original Message ----- >From: "Russell McMahon" >To: >Sent: Monday, April 14, 2003 7:53 PM >Subject: Re: *Thin* drill bits > > >> > >0.25 mm : 2000 drills. >> > >0.30 mm : 1400 drills. >> > >0.35 mm : 7800 drills. >> > >0.40 mm : 600 drills. >> > >0.50 mm : 450 drills. >> > >0.55 mm : 2000 drills. >> >> Consider rocketry people - for injectors >> >> -- >> http://www.piclist.com hint: The PICList is archived three different >> ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.