Re: Ambiguous Measurement Terminology, slightly off topic

From: Rick Harrington (
Date: Tue Feb 02 1999 - 15:25:52 EET

At 09:09 AM 2/1/99 -0500, you wrote:
>-- [ From: Al Hastbacka * EMC.Ver #2.5.3 ] --
>I have noticed that went RP people talk about measurements in mils,
>there can be a great deal of confusion. The problem comes about,
>because depending on the background of the person, this can mean
>millimeters or thousandths of an inch. For example, 2 mils may be
>interpreted as two millimeters or 0.002 inches.


You raise a good question.

I have noticed for many years that a lot of tool makers and machinists use
a similar term "dead nuts".

I have inquired almost every time someone has used that term and have never
really given me an acceptable answer. Does anyone on the list know the
origin or meaning of this term. Below is a quick context.

The external diameter of the main shaft is "dead nuts".

Thanks in advance for your help

Rick Harrington

Harrington Product Development Center

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