How tight is tight?????

Dick Herman · 05-06-2016, 03:35 PM

Ideally, the proper torque should set the barrel threads (any threads) in the elastic limits range of thread material. If the torque is too high the threads could be in the plastic (deformed) region or fail (stripped). Since the barrel has a slightly smaller (male, bolt) thread diameter, the failure would occur on the barrel first.

If the material properties and thread form dimensions are known, calculating of the torque limits is easy.

05-06-2016, 03:35 PM	#11
Dick Herman User Join Date: Apr 2006 Location: Texas Posts: 302 Thanks: 496 Thanked 356 Times in 138 Posts	Ideally, the proper torque should set the barrel threads (any threads) in the elastic limits range of thread material. If the torque is too high the threads could be in the plastic (deformed) region or fail (stripped). Since the barrel has a slightly smaller (male, bolt) thread diameter, the failure would occur on the barrel first. If the material properties and thread form dimensions are known, calculating of the torque limits is easy. Last edited by Dick Herman; 05-06-2016 at 03:58 PM. Reason: Additional details

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