Park Tool ATD-1.2 Adjustable Torque Driver ââ‚¬â€œ 4-6Nm

Q: Some torque drivers will be damaged if used for unfastening bolts. Is this tool ok for that??

You should never use a torque drive to unfasten, regardless of what is on the box. Torque drivers and wrenches have to be calibrated (and should be regularly recalibrated). Using them to unfasten causes them to become inaccurate faster, if not damaging the tool permanently.

Q: Does anyone know the accuracy of this? It's odd that Park doesn't listed it on its website...makes me think it's up near +/- 6% or something.

I just (December 2019) purchased two of these, and tested both of them using a park tool tw-5.2 AND a Quinn digital torque adapter. Both Park ATD-1.2 torque drivers delivered higher torque than the indicated value. 4NM indicated on the ATD-1.2 was actually just over 4.6NM tested. The errors got smaller as the torque values went up...at 6NM indicated, the actual torque delivered was about 6.7 NM. In other words, at the low end the ATD-1.2 delivers about 15% more torque than indicated, and at the high end, it delivers about 12% more torque than indicated. This was consistent...both of my ATD-1.2 drivers gave me the same results, and the results were the same regardless of which device I used to measure them!

Q: What is the difference between the atd 1 and the atd 1.2?

The ATD-1 is the old version the ATD-1.2 is the new version. The new one is a little easier to adjust the torque setting, but works basically the same.

Product ID: 693223553

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Details

Color
Blue
Brand
Park Tool
Material
Aluminium
Item Length
7 Inches
Item Weight
0.3 Kilograms

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Specifications

Color	Blue
Brand	Park Tool
Material	Aluminium
Item Length	7 Inches
Item Weight	0.3 Kilograms
Item Package Quantity	1
Head Style	Hex
Finish Type	Polished
Item Torque	6 Newton Meters
Operation Mode	Mechanical
Manufacturer	PARK TOOL
UPC	763477000057
Global Trade Identification Number	00763477000057, 07634770000576
Part Number	QKATD12
Item Weight	10.6 ounces
Item model number	QKATD12
Is Discontinued By Manufacturer	No
Size	One Size
Style	ATD-1.2 - Adjustable Torque Driver
Finish	Polished
Pattern	Single
Power Source	ac
Measurement System	metric
Included Components	Power tools
Batteries Included?	No
Batteries Required?	No
Battery Cell Type	Lithium

Have a Question? See What Others Asked

Some torque drivers will be damaged if used for unfastening bolts. Is this tool ok for that??

Does anyone know the accuracy of this? It's odd that Park doesn't listed it on its website...makes me think it's up near +/- 6% or something.

What is the difference between the atd 1 and the atd 1.2?

The current version has a black tool holder cap and this shows blue cap. What will I actually get?

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