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This topic is 2 pages long:   1  2 
This topic was originally posted in this forum: Pedal Steel
Author Topic:   Need wrenches for ShoBud
Joe Henry
Member

Posts: 909
From: Ebersberg, Germany
Registered: MAY 2001

posted 05 December 2001 12:24 PM     Click Here to See the Profile for Joe Henry     
This is not really urgent right now, however it may be necessary in the future to do some adjustments on my ShoBud ProII, late ´70s. I´m talking about

  1. the black screws to adjust the pedal/knee lever travel, those require an allen wrench. Although I´ve got a set of American sizes, none of them fits.
  2. the nuts that hold those screws in place
  3. the nuts to adjust the pedal rod length
  4. the nuts that hold the ball bearings (don´t know the correct term) that stick out of the pedals where the pedal rods are attached
  5. the nuts (this must look like I´m goin´nuts here) that fasten the endplates to the cabinet; I´ve heard those might need some re-tightening once in a while.

In other words, most all of the nuts found on a ShoBud. Some of those mentioned probably are identical.
First of all, can anybody tell me what those sizes are. I took my caliper rule, which of course is metric, to them and compared it with an inch ruler. In some cases, I measured 3/8" or 5/16" but I´m not sure, it´s not a very exact method.
Does anybody have addresses of stores where I can order them. They are very hard to find over here where everything is metric.
This is one fine guitar that I´ve got here and I don´t want to ruin anything by using inappropriate tools such as pliers.
To see a picture of the undercarriage, click here
Thanks a lot in advance, Joe H.


chas smith
Member

Posts: 3168
From: Encino, CA, USA
Registered: FEB 2001

posted 05 December 2001 02:37 PM     Click Here to See the Profile for chas smith     
Joe, here's a list with SAE and metric conversions of what you are likely to find. the 'allen wrench' screws are socket head cap screws (SHCS) and with out a head, set screws.

6-32 means it's a #6 screw with 32 threads / inch (25.4mm), so it's .138" = 3.5mm.
8-32 is .164" = 4.16mm
10-32 is .190 = 4.82mm
1/4-20 is a quarter inch bolt .250" (6.35mm) with 20 threads per inch.
5/16 - 18 is 7.92mm
3/8 - 16 is 9.52mm.

1/4-20, 5/16-18 and 3/8-16 are coarse thread bolts, their respective fine threads are: 1/4-28, 5/16-24 and 3/8-24. The 1/4" nut usually uses a 7/16" wrench (11mm), the 5/16" usually uses a 1/2" (13mm) and the 3/8" usually uses a 9/16" (14 or 15mm).

The 10-32 is a fine thread and it's respective coarse thread is 10-24.

American allen wrench sizes for SHCS and set screws, what you will usually use:
6-32 SHCS uses 7/64 (.109", 2.77mm) allen wrench.
6-32 set screw uses a 1/16" (.0625", 1.58mm) allen
8-32 SHCS - 9/64 (.140", 3.57mm)
8-32 set - 5/64" (.078", 1.98mm)
10-32 SHCS - 5/32 (.156", 3.96mm)
10-32 set - 3/32 (.0937", 2.38mm)
1/4-20 SHCS - 3/16"
5/16-18 SHCS - 1/4"
3/8-16 SHCS - 5/16"
There is a company called Bondhus that makes a set of 13 ball-end Allen wrenches from .050 to 3/8 that for me is indispensible

[This message was edited by chas smith on 05 December 2001 at 04:16 PM.]



Tony Prior
Member

Posts: 4672
From: Charlotte NC
Registered: OCT 2001

posted 05 December 2001 04:07 PM     Click Here to See the Profile for Tony Prior     
Just my pennies worth, but if you are using ball end allen wrenches they may not give a snug enough fit on the small allen head screws. I have had 3 Sho-Buds , Professional, ProII and a ProIII , there were no metric sizes used on any of them. I would recommend a quality allen set , not ball end ,from perhaps Sears ( Craftsman ) or another quality supplier. My Carter uses, 5/32, 3/32 and 1/16 hex nuts, Ball end wrenches would not do the job. My current Sho-Bud Professional has 1/16 and 3/32 on it as well. Unless someone changed all the hex heaad screws over the years to metric, I would think that Shot and the gang stuck with american sizes.

Good Luck
TP

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