3/8” hex is the same bit used for brake calipers on automotive disc brakes. It is available for 3/8” drive as well as 1/2”. Every auto supply store has them.
In the olden days, I did a lot of my own car repairs. Changing disc pads is about all I do anymore.
David Stocker, RPT
Tumwater, WA
From: Barbara Richmond
Sent: Thursday, October 21, 2010 10:12
To: pianotech at ptg.org
Subject: Re: [pianotech] Fwd: which Allen wrenches to carry
As usual...a great idea, Isaac!
I was looking on-line. It's not so easy to locate a 12mm hex bit socket with a 3/8" drive--on-line, anyway (12mm is usually on a 1/2" drive). I found a couple, though, one at Sears. Guess I'll head down the street to the local automotive place to see what they have. I'll store those in the heavy, stay-in-the-car tool case with all the wrenches, socket set, etc.
Any comments about the lengths of bits offered? Is there a time/situation when one would like to use a longer bit? I have one Samick grand on my books, and I have to admit, when I serviced it, I only grabbed the lyre to see if it was loose--I didn't take a look to see how it was attached.
Thanks to everyone for your help.
Barbara Richmond, RPT
near Peoria, Illinois
----- Original Message -----
From: "Isaac Sadigursky" <irs.pianos at earthlink.net>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Thursday, October 21, 2010 11:05:17 AM
Subject: [pianotech] Fwd: which Allen wrenches to carry
For Samick Legs and Lyres I like to use hex-sockets attached to an 3/8" socket.It is designed for Car Mechanics and is available in Automotive stores and some Hardware stores.
Samick uses 3/8 " and fpr Schimmel plates -12mm.
No need to move piano away to create clearance for an L-wrench. when tightening Samick Legs.
Also,3/8" sockets are more compact.
To avoid loosing Tiny hex-wrenches for voicing needles,I like to attach them to a small piece of magnet.
Hope,it helps.
isaac
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