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Old 10-29-2006, 05:25 AM   #1
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Default Torque Wrench Comparison

CDI Torque Products 2502MRMH (30-250 inch pounds)


Precision Instruments M2R200H (40-200 inch pounds)


Well I've narrowed it down to two different wrenches. Both are 3/8 drive and they are both high quality Made In USA. Both companies make the torque wrenches for Snap-on. The main difference between the two are the locking mechanisms.

The CDI uses a spring loaded pull down lock ring and the PI uses a locking collar that you twist.
The CDI has laser etched numbers and the PI has engraved numbers.

I'm concerned about the laser etched numbers eventually rubbing off; though I've never owned a tool with laser etched numbers. Those are the only main differences, what do you think?
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Old 10-29-2006, 10:26 AM   #2
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I can tell you from vast experience, the laser-etched numbers won't wear off. In fact, they'll be easier to read after a long time, as they have to put paint in the engraved numbers and marks.
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Old 10-29-2006, 08:52 PM   #3
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Let me tell you two things:

I wish mine had laser etched numbers...
I wish mine had a sliding colar instead of a twisting...
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Old 10-29-2006, 09:56 PM   #4
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Twisting collars can be a bitch when your hands are dirty.
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Old 10-29-2006, 10:20 PM   #5
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willwren & Logan,

Well thanks to your highly valued input, it looks like I'll be getting the CDI. Incidently, what Snap-on does is take the CDI wrench and put their ratchet head on it. Other than that, they are the exact same torque wrench. You can buy two CDI'* for the price of one Snap-on. By the way, Snap-on now ownes CDI.

Snap-on QD2R200
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Old 10-29-2006, 10:26 PM   #6
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Look at reviews on them if you can find them.

Also consider the fact that torque wrenches are most accurate in the middle of their range. The closer to the edge of adjustments you are, the less accurate they are. So find one with the majority of your work you plan on doing, closer to the middle of the range (if you can afford it).

Also remember to torque them down to about 30% to keep them as accurate as possible, so they don't loosen up under tension.
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Old 10-29-2006, 10:26 PM   #7
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How much are you getting that beauty for?
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Old 10-29-2006, 11:27 PM   #8
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i had a 1/2 snap-on tech wrench very nice T/W
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Old 10-29-2006, 11:53 PM   #9
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Whatever happened to German torque and American torque?
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Old 10-30-2006, 12:24 AM   #10
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Wrenches are typically labeled in both Newton-meters and either foot-lbs or inch-pounds.
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