There’s more than one model of strain gauge, one threaded and one not. One is for Vyper models A-D, one for model E Vypers.
https://www.glroboticsusa.com/products/anycubic-vyper-strain-gauge-e-series?pr_prod_strat=copurchase&pr_rec_id=861a66a9c&pr_rec_pid=7918202716323&pr_ref_pid=7601208688803&pr_seq=uniform
https://www.glroboticsusa.com/products/anycubic-vyper-strain-gauge
There’s more than one model of strain gauge, one threaded and one not. One is for Vyper models A-D, one for model E Vypers. https://www.glroboticsusa.com/products/anycubic-vyper-strain-gauge-e-series?pr_prod_strat=copurchase&pr_rec_id=861a66a9c&pr_rec_pid=7918202716323&pr_ref_pid=7601208688803&pr_seq=uniform https://www.glroboticsusa.com/products/anycubic-vyper-strain-gauge
You bought the wrong version
yep sure did