Chockstone Forum - General Discussion
General Climbing Discussion
Topic
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Date |
User
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death bolts and tree cutting at Earlwood |
5-Mar-2010 At 8:24:13 PM |
pete_w
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Message |
WLL = working load limit, usually chains / lifting equipment etc have a SF of 4-5 on top of this meaning that the failure strength is probably closer to 1T (if it meets a common standard). It was probably designed to screw into a tapped hole in metal. They also often have limited range of working angle (e.g. +/- 20° of pure tension) or reduced capacities in other directions.
e.g.
http://www2.blackwoods.com.au/infoBANKProduct.aspx?SG=2000165&S=4084686&G=2004019&P=2026047 |
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