horridohutch Posted December 19, 2017 Share #1 Posted December 19, 2017 What is the proper size for the earphone allen screws. I have one that was given to me by a friend, but it seems too small. Also a good source for a hardened steel quality tool, not a mush metal one. Thanks in advance! Link to comment Share on other sites More sharing options...
mohawkALSE Posted December 19, 2017 Share #2 Posted December 19, 2017 Hex Key, .035 (NSN 5120-00-188-5400) I was able to finally find out that size years ago in my SPH-4 Mx manual. Almost no commercial off the shelf Allen sets have a size that small. I was able to find a military Allen wrench set from Kipper Tools that had everything from like a 1" size all the way down to 2 tiny sizes, one of which is the .035. I believe you can get that size from Granger as well. The 2 smallest keys in my set are so small they aren't even in the plastic holder, they are in a small clear pocket that is part of the tool roll the kit goes in. The headset manual for the SPH-4 claims the TK-105 tool kit should have all those items, but I have a TK-105A/G I got surplus and I cant recall seeing one all the way down to .035 in that. Link to comment Share on other sites More sharing options...
72psb Posted December 19, 2017 Share #3 Posted December 19, 2017 Harbor Freight has 34pc precision screw driver set(item# 93916) that has a 0.9 bit that has worked fine for me.Nice little set with a good assortment of bits. Link to comment Share on other sites More sharing options...
horridohutch Posted December 19, 2017 Author Share #4 Posted December 19, 2017 Thank you gentlemen... Link to comment Share on other sites More sharing options...
FtrPlt Posted December 21, 2017 Share #5 Posted December 21, 2017 Alternatively, current speakers use domed, flat-head screws in place of the old allen-heads. I was able to pick up a proper allen tool by a German company called Wiha. www.mscdirect.com has them for about $7 Wiha 0.89mm Hex Driver Part #:97581854 Mfr Part #:26309 UPC #:084705263090 Link to comment Share on other sites More sharing options...
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