Or, you can go to a ball bearing company and get one for $15. 

> -----Original Message-----
> From: Dan Irish - Sun BOS Hardware [SMTP:dan.ir...@sun.com]
> Sent: Monday, September 24, 2001 9:22 AM
> To:   emc-p...@majordomo.ieee.org
> Subject:      RE: Steel ball for impact tests
> 
> 
> The cheapest way to go is to get a 2" trailer ball from
> WalMart and cut off the flange and threads with a
> hacksaw or Sawzall. File to a spherical shape.
> Drill and tap a hole for an eye bolt that
> can be installed for the pendulum test.
> 
> About $10 US?
> 
> Dan
> 
> > From: "JENKINS, JEFF" <jeff.jenk...@aei.com>
> > To: "'Jon Jones'" <jon.jo...@ascom.co.uk>, "Emc-Pstc (E-mail)" 
> <emc-p...@majordomo.ieee.org>
> > Subject: RE: Steel ball for impact tests
> > Date: Mon, 24 Sep 2001 08:33:20 -0600
> > MIME-Version: 1.0
> > X-Resent-To: Multiple Recipients <emc-p...@majordomo.ieee.org>
> > X-Listname: emc-pstc
> > X-Info: Help requests to  emc-pstc-requ...@majordomo.ieee.org
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> > 
> > 
> > Try:
> > 
> > Ergonomics, Inc.
> > 1-800-862-0102
> > ask for Eric George
> > e...@ergonomicsusa.com
> > www.ergonomicsusa.com
> > 
> > Regards,
> > 
> > Jeff Jenkins
> > Advanced Energy Industries, Inc.
> > Fort Collins, CO
> > 
> > 
> > -----Original Message-----
> > From: Jon Jones [mailto:jon.jo...@ascom.co.uk]
> > Sent: Monday, September 24, 2001 7:00 AM
> > To: Emc-Pstc (E-mail)
> > Subject: Steel ball for impact tests
> > 
> > 
> > 
> > 
> > Can anyone detail a manufacturer / supplier who can supply the steel
> ball
> > for impact tests as per EN60950:2000 clause 4.2.5.  (50mm diameter,
> 500g)
> > 
> > Thanks in advance,
> > 
> > 
> > Jon Jones
> > 
> > 
> > 
> > 
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