[RASMB] torque wrench spare part

[Walter Stafford]

Hi Joris,

	I have had success making one from a 
standard high speed wood bit (the flat one with 
the pointy bit at the bottom). It required a 
little filing but it has worked fine.

Walter

>




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>Dear all,
>
>Recently I broke the small metal bar located in the bottom of the turnable
>rod of the torque wrench, with which you tighten the cells. Unfortunately we
>do not have a spare one. I tried to let the local technicians (whom are
>normally really equipped and efficient) make me a new one but they convinced
>me that this is some special hardened and polished kind of metal. So I
>contacted the Beckman field service and heard that this thing is around 500
>to 700 Dollars. Rather expensive for a really small piece of essential
>equipment for the analytical ultracentrifuge. My question is if anyone found
>a cheaper source for this small metal bar?
>
>Thanks in advance.
>Kind regards,
>
>Joris
>
>--
>Joris Beld
>Laboratory of Organic Chemistry
>ETH-Hönggerberg
>HCI-F322
>CH-8093 Zürich
>Switzerland
>+ 41 1 6322972
>beld at org.chem.ethz.ch
>http://www.protein.ethz.ch
>--
>
>
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Walter Stafford
mailto:stafford at bbri.org
direct dial:    617-658-7808
receptionist: 617-658-7700
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