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We call them torque to yield. It’s the same as you describe. A fastener is basically a spring. When tighten, it pulls the pieces together under tension.The torque to yield bolts / studs can only be used one time. Once you use them on a cylinder head, Rod, main etc, and tighten them they are torqued to a very low torque value. Then you tighten it with a degree meter or wheel to a given specification.Example:On a cylinder head, you would tighten all the fasteners to say 30 nm in sequence. Then you would use a degree angle meter and tighten the fastener to the specific degree of angle. Say example of 90°.Once that it reached, you’re done. You do not got any tighter.But you can only use these fasteners one time.If you ever loosen them, they are not to be reused again.
We call them torque to yield. It’s the same as you describe. A fastener is basically a spring. When tighten, it pulls the pieces together under tension.
The torque to yield bolts / studs can only be used one time. Once you use them on a cylinder head, Rod, main etc, and tighten them they are torqued to a very low torque value. Then you tighten it with a degree meter or wheel to a given specification.
Example:
On a cylinder head, you would tighten all the fasteners to say 30 nm in sequence. Then you would use a degree angle meter and tighten the fastener to the specific degree of angle. Say example of 90°.
Once that it reached, you’re done. You do not got any tighter.
But you can only use these fasteners one time.
If you ever loosen them, they are not to be reused again.