How to use a torque wrench and do you really need it?

What are torque wrenches? What are they used for and how are they used correctly?
Do you have to get a torque wrench for home mechanics?

CONTENTS:
00:00 What are torque wrenches?
02:55 How they work?
08:54 How to use them properly?
10:24 Storage and care
14:01 Precision and Accuracy
21:25 Must you buy this?
28:54 Several bolts technique
32:10 Reading the torque scales and calibration 2
34:34 Calibration

Useful LINKS:

Tightening torque and torque wrenches explained – 101:
https://bike.bikegremlin.com/18208/tightening-torque-and-torque-wrenches-explained-101/

Accurate vs Precise:
https://bike.bikegremlin.com/8374/accurate-vs-precise/

A list of bicycle parts' recommended tightening torque:
https://bike.bikegremlin.com/14694/bicycle-tightening-torques/

The lack of good engineering and quality control in the cycling industry:
https://bike.bikegremlin.com/17645/cycling-industry-nonsense/

Park Tools adjustable torque driver 4~6 Nm (Amazon affiliate link):
https://amzn.to/3wgWnfU

Effetto Mariposa Giustaforza II Pro torque wrench 2~16 Nm (Amazon affiliate link):
https://amzn.to/3CN0xxg

A list of BikeGremlin websites and channels:
https://www.bikegremlin.com/

List of all the BikeGremlin videos, sorted by categories:
https://www.bikegremlin.com/youtube/

Camera: Gox, the white witcher :)

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