Wiardgroup

Doc,

actually (and not to be contrary, randal), I use a Greenlee die cutter
- it places less stress on the overall structure (in this case, the
corrugated metal box).  Was it a 15/16 inch that is the standard xlr
size?  don't make me go find my dies, now!!!

gary




"randaleem" <randaleem@...> wrote:
>
> Hi doc,
> 
> I'm not Les, but I have a suggestion for one of your questions. In 
> the electrical department at HomeDepot and other hardware stores you 
> will find step drills. These Christmas-tree-shaped bits will easily 
> drill holes up to 1-3/8 in ammo box steel, synth panel or housing. 
> 
> Two sizes of bits needed to get to that size hole. The larger one is 
> not as commonly useful, going from 7/8 to 1-3/8 by 1/16". A typical 
> smaller step drill bit goes from 3/16" to 7/8" in 1/16" steps; 
> another goes from 1/8 to 3/4 by 16ths. Either of these latter two is 
> a good candidate for SDIY use. About $20-25. It is very easy to use 
> the next step to deburr all holes drilled  except the largest, where 
> there is no larger next step to use!
> 
> Drill the small hole 3/16 or 1/8 using a regular drill bit (a screw 
> machine length 135° split point will work best) and then open it up 
> with the step drill. Works REALLY well, and the holes stay concentric 
> with your pilot; something which doesn't always happen using 
> successive twist drill bits.   
> 
> Kind regards Randal
> 
> --- In wiardgroup@yahoogroups.com, "drmabuce" <drmabuce@> wrote:
> >Most connector diameters are beyond the range of hardware-store drill
> >bits, and they don't like chewing through steel, anyway
> >....How did you cut your large diameter mounting holes? a die cutter,
> >perhaps? 
> >enquiring minds want to know!
> > ;'>
> > 
> > thx,
> > -doc
> >
>