[SergentEng] f,& H couplers

James Koretsky

The H is basically a tighter tolerance F coupler, without the lower shelf.

----- Original Message -----
From: "martinmatsil1953@... [SergentEng]" <SergentEng@...>
To: SergentEng@...
Sent: Thursday, June 26, 2014 2:58:58 PM
Subject: [SergentEng] f,& H couplers

Hello gang.what is the difference between,f,& h couplers.!They do look alike,but are there real differences.let me know either way.Thanks.