Tag Archives: 17-4 bolt failure

Understanding Bolt Lengths

Posted on February 16, 2023 by Kathleen

Q: What is bolt grip length vs the threaded length? And which is the total length of the bolt?  A: Neither the grip length or threaded length provide information on the overall bolt length. The length of the bolt is always measured from under the head of the bolt to … Continue reading →

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17-4 H900 Heat Treatment Failure

Posted on April 15, 2022 by Kathleen

Q: We have a drawing for a 17-4 1″ bolt that we would like to order which can be heat treated to H900 – H1050. Are there any heat treat conditions that we should avoid? I’ve heard H900 can lead to sudden failure? Is this true? A: With the 17-4PH … Continue reading →

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