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Guitarbridge 3D-6 String anchoring from underneath

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Guitarbridge 3D-6 String anchoring from underneath

Flatmount bridge with adjustable height, intonation and string spacing (roller bridge saddles). The roller bridge saddles reliably minimize string breakage while maintaining intonation and tuning stability.

  • 3-dimensional adjustment of string height, intonation and string spacing (with roller bridge saddles).
  • Heavy and precise construction for extra long sustain.
  • Variable overall height with spacer (3mm or 4mm).
  • You can use the screw on the treble side to fix the string saddles in place so that they don't knock together and rattle when aggressive playing techniques are used.

All bridges are supplied with a 3mm baseplate and screws as standard; alternatively, they can also be ordered with a 4mm baseplate.

Optionally, two rollers can be mounted per string ferrule for double string guiding.


Our Schaller eggheads have now come up with yet another new version, to allow the 3D-6 to be adapted even more specifically to our musicians' needs. The new, additional string anchoring from underneath provides the ambitious guitarist with an even higher pressure on the string saddles.

  • This version can be ordered from us trouble-free. You can decide at any time whether you want to thread the strings through the baseplate from the rear (as before) or from underneath.This version can only be used with a baseplate, to allow the ball-ends of the strings to be anchored without requiring any routing work on the guitar body.

  • Go to the "Pictures" tab for more details, and check out the corresponding news under News/Schaller news/News archive.

  • The standard string anchoring method can still be used as an alternative.


 

Images

Technical drawing

To view the complete technical drawing, please use the download file.

Note: Acrobat Reader is required to view PDF files correctly!

Downloads

Technical drawing

Note: Acrobat Reader is required to view PDF files correctly!

Here you will find some additional, useful information about our Schaller product catalog.

Surface finishing

This Schaller Bridge "Hannes" is an example of the subtle differences between various surface finishes.

Schaller Bridge Hannes Schaller Bridge Hannes Schaller Bridge Hannes
NI-NickelCH-ChromeSC-SatinChrome
Schaller Bridge Hannes Schaller Bridge Hannes Schaller Bridge Hannes
BC-BlackChromeGO-Gold (24 carat)RU-Ruthenium
Schaller Bridge Hannes Schaller Bridge Hannes

 SP-SatinPearl

 VC-VintageCopper

To view a larger image of a product with each finish, click on the desired product in the "Versions" tab in the product catalog, and then switch to the "Description" tab. The image shown here can then be enlarged by clicking on it.

Ruthenium

In addition to information about ruthenium you will also find further coating options consisting of a gold/ruthenium combination. You will find more information about the metal Ruthenium under News, Press and Service/Lexicon.

Stop Saitenhalter RutheniumGoldRutheniumGold

  

Measure specifications

All measurements in the product catalogue are given in mm (inch), unless a different unit of measurement is stated.

 

Technical drawings and operating instructions

We do not accept any liability for the correctness of the technical drawings. Prior to installation, please measure for yourself once more, so you can consider regular manufacturing tolerances.

Please note that the technical data can also vary slightly, depending on the surface color. This is due to the difference in the galvanic coating and the galvanic layering, which depends on the color (nickel, chrome etc).

The technical drawings can be printed on one page width. Should the technical drawings not fit on one page, however, please check your print page setup (note: they can be several pages long).

From time to time, the measurements given in the file downloads on our website may differ from those given in the catalogue. Please bear in mind that the measurements given in the online downloads are current. Any discrepancies will be corrected when the catalogue is updated.

Technical Drawings Schaller Bridge Hannes

 

String retainers

You can use string retainers from your general guitar parts supplier as an alternative to our string ferrules.

String Retainers

 

 

Dimensions and adjustment options

Here, you can find an overview of the three-dimensional adjustment options for our Schaller bridges.
Specifics in mm:

HeightSingle-
slide		Stringspacing E-e
Intonation
minmaxSlide-
way		Slide-
way		fix
minmaxSlide-
way		min
Single
max
Single
Slide-
way
Bass Bridge Hannes 4-strings
Bass Bridge Hannes 5-strings
Guitar Bridge Hannes 6-strings
10,313,83,553,5
3,3
Guitar Bridge Hannes 6-strings
Piezo
10,313,83,553,53,3
Guitar Bridge Hannes 7-strings
Guitar Bridge Hannes 8-strings
Stop Tailpiece
height-adjustable-screw
52,5
Tailpiece
height-adjustable-screw
53,5




Fine Tuning Tailpiece
height-adjustable-screw
53,5



STMheight-adjustable-screw4,052,548,557,59,09,7
11,5
7,0
GTM
52,5
7,5

Bridge-Tailpiece-
Combination 455

height-adjustable-screw52,5
7,5
Bridge-Tailpiece-
Combination 456
height-adjustable-screw52,5
7,5
3D-6
9,6 13,8 4,23,050,056,56,510,0
11,3
16,0
3D-6 String anchoring
from underneath
9,6
13,8
4,2
3,0
50,0
56,5
6,5
10,0
11,3
16,0
3D-49,715,15,44,753,462,89,417,8
20,9
18,0
3D-59,715,45,72,565,070,05,016,3
17,5
19,7
3D-8
10,4
15,4
5,0
-
-
-
-
19,7
Bass Bridge 2000 4-strings9,816,26,445,565,019,515,221,7
12,0
Bass Bridge 2000 5-strings9,816,26,460,581,020,515,120,3
12,0
Bass Bridge 2000 6-strings9,816,26,476,597,521,015,319,5
12,0
3D-6 Piezo10,714,74,053,5
12,3
GTM Piezoheight-adjustable-screw52,5
7,0
Bridge-Tailpiece-
Combination 455 Piezo
height-adjustable-screw
52,5




Bridge-Tailpiece-
Combination 456 Piezo
height-adjustable-screw
52,5




3D-4 Piezo9,014,05,0

57,0




16,0
Bass Bridge 2000 4-strings Piezo
9,816,26,445,565,019,515,221,712,0
Bass Bridge 2000 5-strings Piezo
9,816,26,460,581,020,515,120,312,0
Bass Bridge 2000 6-strings Piezo9,816,26,476,597,521,015,319,512,0

Here in inch:

HeightSingle-
slide		Stringspacing E-e
Intonation
minmaxSlide-
way		Slide-
way		fix
minmaxSlide-
way		Slide-
way
Bass Bridge Hannes 4-strings
Bass Bridge Hannes 5-strings
Guitar Bridge Hannes 6-strings
0,40550,54330,13782,1063
0,1299
Guitar Bridge Hannes 6-strings
Piezo
0,40550,54330,13782,10630,1299
Guitar Bridge Hannes 7-strings
Guitar Bridge Hannes 8-strings
Stop Tailpiece
height-adjustable-screw2,0669
Tailpieceheight-adjustable-screw2,1063
Fine Tuning Tailpieceheight-adjustable-screw2,1063
STMheight-adjustable-screw0,15751,90942,26380,3543
GTMheight-adjustable-screw2,06690,2756

Bridge-Tailpiece-
Combination 455

height-adjustable-screw2,0669
0,2953
Bridge-Tailpiece-
Combination 456		height-adjustable-screw2,0669
0,2953
3D-60,3780,54330,16540,11811,96852,22440,25590,6299
3D-6 String anchoring
from underneath		0,378
0,5433
0,1654
0,1181
1,9685
2,2244
0,2559
0,6299
3D-40,382

0,594

0,21260,18502,10242,47240,37010,7087
3D-50,3820,6060,22440,09842,55912,75590,19690,7756
3D-80,40940,6063
0,1969
-
-
-
-
0,7756
Bass Bridge 2000 4-strings0,3860,6380,25201,79132,55910,76770,4724
Bass Bridge 2000 5-strings0,3860,6380,25202,38193,18900,80710,4724
Bass Bridge 2000 6-strings0,3860,6380,25203,01183,83860,82680,4724
3D-6 Piezo0,4210,5790,15752,1063
0,4843
GTM Piezoheight-adjustable-screw2,0669
0,2756
Bridge-Tailpiece-
Combination 455 Piezo		height-adjustable-screw2,0669
Bridge-Tailpiece-
Combination 456 Piezo		height-adjustable-screw2,0669
3D-4 Piezo0,3540,5510,19692,2441
0,6299
Bass Bridge 2000 4-strings Piezo
0,3860,6380,25201,79132,55910,76770,4724
Bass Bridge 2000 5-strings Piezo0,3860,6380,25202,38193,18900,80710,4724
Bass Bridge 2000 6-strings Piezo0,3860,6380,25203,01183,83860,82680,4724

GTM and 3D-8 bridges have individual grooves, which means that the adjustment options can vary individually. 

 

Bolt- and Screwdistance

Specifics of distance and size in mm (inch):

The functional dimensions of our bridges in mm (inch) are given in the table below:

BridgeBolt-/ScrewdistanceSleeve gaugeBolt gauge
Bass Bridge Hannes 4-strings
Bass Bridge Hannes 5-strings
Guitar Bridge Hannes 6-strings
43,5 (1,7126)

 -

 -

Guitar Bridge Hannes 6-strings
Piezo
43,5 (1,7126)--
Guitar Bridge Hannes 7-strings
Guitar Bridge Hannes 8-strings
Stop Tailpiece
82,0 (3,2283)11,2 (0,441)7,9 (0,311)
Tailpiece82,0 (3,2283)

 11,2 (0,441)

7,9 (0,311)

Fine Tuning Tailpiece
82,0 (3,2283)

 11,2 (0,441)

7,9 (0,311)

STM74,0 (2,9134)7,2 (0,283)4,9 (0,193)
GTM74,5 (2,9134) 7,2 (0,283)4,9 (0,193)
Bridge-Tailpiece-
Combination 455
82,5 (3,2480)

  11,2 (0,441)

7,9 (0,311)

Bridge-Tailpiece-
Combination 456		82,5 (3,2480)

 11,2 (0,441)

7,9 (0,311)

3D-620,5/20,5 (0,8071)-
-
3D-6 String anchoring
from underneath
20,5/20,5 (0,8071)-
-
3D-425,5/25,5 (1,0039)

-

 -

3D-533,0/33,0 (1,2992)

-

-

3D-8
25,5/25,5 (1,0039)-
-
Bass Bridge 2000 4-strings17,5/17,5/17,5/17,5 (0,6890)

-

-

Bass Bridge 2000 5-strings17,5/17,5/17,5/17,5 (0,6890)

-

-

Bass Bridge 2000 6-strings17,5/17,5/17,5/17,5/17,5 (0,6890)

-

-

3D-6 Piezo25,5/25,5 (1,0039)

-

-

GTM Piezo74,5 (2,9134)

 7,2 (0,283)

 4,9 (0,193)

Bridge-Tailpiece-
Combination 455 Piezo		82,5 (3,2480)11,2 (0,441)7,9 (0,311)
Bridge-Tailpiece-
Combination 456 Piezo		82,5 (3,2480)11,2 (0,441)7,9 (0,311)
3D-4 Piezo25,5/25,5 (1,0039)--
Bass Bridge 2000 4-strings Piezo
17,5/17,5/17,5/17,5 (0,6890)--
Bass Bridge 2000 5-strings Piezo17,5/17,5/17,5/17,5 (0,6890)--
Bass Bridge 2000 6-strings Piezo17,5/17,5/17,5/17,5/17,5 (0,6890)--

  

Allen Key

We use six different Allen wrenches to adjust the various screws on our bridges. The sizes for these are 1.27mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm and 3.5mm. The following table shows which Allen wrenches should be used for each type of bridge (all measurements are stated in mm):

Article

Allen keys (mm)

mm

mm

inch

inch

inch 

Hannes Bridge

2,0

2,5

3,0

0,0787

0,0984

0,1181 

3D-4

1,5

 

 

0,0591

 

 

3D-5

1,5

 

 

0,0591

 

 

3D-6

1,27

 

 

0,0500

 

 

3D-8
1,5


0,0591

Bass Steg 2000

1,5

3,0

 

0,0591

0,1181

 

 

BridgesHeight adjustmentString adjustmentIntonation adjustment
Bass Bridge Hannes 4-strings
Bass Bridge Hannes 5-strings
Guitar Bridge Hannes 6-strings
2,0 (0,0787)

2,5 (0,0984)

-

Guitar Bridge Hannes 6-strings
Piezo
2,0 (0,0787)2,5 (0,0984)-
Guitar Bridge Hannes 7-strings
Guitar Bridge Hannes 8-strings
Stop Tailpiece
-
-
-
Tailpiece-

-

-

Fine Tuning Tailpiece-

-

-

STM-
-
-
GTM-
-
-
Bridge-Tailpiece-
Combination 455		-

-

-

Bridge-Tailpiece-
Combination 456		-

-

-

3D-61,27 (0,0500)
-
-
3D-6 String anchoring
from underneath		1,27 (0,0500)-
-
3D-41,5 (0,0591)

-

-

3D-51,5 (0,0591)

-

-

3D-81,5 (0,0591)-
-
Bass Bridge 2000 4-strings1,5 (0,0591)

1,5 (0,0591)

3,0 (0,1181)

Bass Bridge 2000 5-strings1,5 (0,0591)

1,5 (0,0591)

3,0 (0,1181)

Bass Bridge 2000 6-strings1,5 (0,0591)

1,5 (0,0591)

3,0 (0,1181)

3D-6 Piezo1,27 (0,0500)

-

-

GTM Piezo-

-

-

Bridge-Tailpiece-
Combination 455 Piezo		-
-
-
Bridge-Tailpiece-
Combination 456 Piezo		-
-
-
 3D-4 Piezo1,5 (0,0591)-
-
Bass Bridge 2000 4-strings1,5 (0,0591)1,5 (0,0591)3,0 (0,1181)
Bass Bridge 2000 5-strings1,5 (0,0591)1,5 (0,0591)3,0 (0,1181)
Bass Bridge 2000 6-strings1,5 (0,0591)1,5 (0,0591)3,0 (0,1181)
 

Measurements intonation screws

Bridges
Measurements
3D-4
M3,5x23, M3,5x28
3D-5M3,5x23, M3,5x28
3D-6M3x20, M3x25
3D-8M3x20, M3x25

 

Which Schaller bridges can left-handed players use?

BridgesLefthanded?
Bass Bridge Hannes 4-strings
Yes
Bass Bridge Hannes 5-strings
Yes
Guitar Bridge Hannes 6-strings
No
Guitar Bridge Hannes 6-strings
Piezo
No
Guitar Bridge Hannes 7-stringsNo
Guitar Bridge Hannes 8-stringsNo
Stop Tailpiece
Yes
TailpieceYes
Fine Tuning TailpieceYes
STMNo
GTMYes
Bridge-Tailpiece-
Combination 455		Yes
Bridge-Tailpiece-
Combination 456		Yes
3D-6Yes
3D-6 String anchoring
from underneath		Yes
3D-4Yes
3D-5Yes
3D-8
Yes
Bass Bridge 2000 4-stringsYes
Bass Bridge 2000 5-stringsYes
Bass Bridge 2000 6-stringsYes
3D-6 PiezoYes
GTM PiezoYes
Bridge-Tailpiece-
Combination 455 Piezo
Yes
Bridge-Tailpiece-
Combination 456 Piezo
Yes
3D-4 PiezoYes
Bass Bridge 2000 4-stringsYes
Bass Bridge 2000 5-stringsYes
Bass Bridge 2000 6-stringsYes

 

Which radius is on my bridge?  

 

Radius
mm / inch
Bass Bridge Hannes 4-strings
n.R.
Bass Bridge Hannes 5-stringsn.R.
Guitar Bridge Hannes 6-strings
n.R.
Guitar Bridge Hannes 6-strings Piezo
n.R.
Guitar Bridge Hannes 7-stringsn.R.
Guitar Bridge Hannes 8-stringsn.R.
Stop Tailpiecen.R.
Tailpiecen.R.
Fine-Tuning Tailpiecen.R.
STM356 / 14
GTM356 / 14
Bridge-Tailpiece-Combination 455356 / 14
Bridge-Tailpiece-Combination 456356 / 14
3D-6n.R.
3D-6 Saiteneinhängung untenn.R.
3D-4356 / 14
3D-5356 / 14
3D-8356 / 14
Bass Bridge 2000 4-stringsn.R.
Bass Bridge 2000 5-stringsn.R.
Bass Bridge 2000 6-stringsn.R.
3D-6 Piezon.R.
GTM Piezo356 / 14
Bridge-Tailpiece-Combination 455 with Piezo356 / 14
Bridge-Tailpiece-Combination 456 with Piezo356 / 14
3D-4 Piezo356 / 14
Bass Bridge 2000 4-strings Piezo
n.R.
Bass Bridge 2000 5-strings Piezo
n.R.
Bass Bridge 2000 6-strings Piezo
n.R.

n.R. = no radius  available

 

 

Wiring piezo-pickups 

model
wiringsocket
Hannes Piezo
one cable for each single pickup that goes straight to the preamp
no socket
3D-6 Piezo
one cable for each single pickup that goes straight to the preamp
no socket
GTM Piezo
The cables are bundled onto a circuit board with one output cable routed to the preamp3.5mm jack socket at the cable end
455 Piezo
The cables are bundled onto a circuit board with one output cable routed to the preamp3.5mm jack socket at the cable end
456 Piezo
The cables are bundled onto a circuit board with one output cable routed to the preamp3.5mm jack socket at the cable end
3D-4 Piezoone cable for each single pickup that goes straight to the preampno socket
Bass Bridge 2000 4-strings Piezo
one cable for each single pickup that goes straight to the preampno socket
Bass Bridge 2000 5-strings Piezoone cable for each single pickup that goes straight to the preampno socket
Bass Bridge 2000 6-strings Piezoone cable for each single pickup that goes straight to the preampno socket

 

Overview used screws

Download list as pdf.

 Schaller Screw List Bridges

Using the product catalog

Please change your print settings to landscape before printing these pages so that the guidelines are complete and readable.

 

 

FAQ

FAQ10001 Can I also get machine heads in a 5/1 or 4/2 configuration?
For the sake of clarity, we have only illustrated the standard layouts. Naturally, every other combination (5/1, 4/2 etc.) can also be ordered via your retailer.

…in addition to this, individual machine heads, sets of buttons etc. can also be ordered.
FAQ10010 How can you tell the difference between left-side and right-side machine heads?
A simple way to tell the difference is to place a machine head in front of you so that the back of the housing is facing towards you and the button is pointing upwards. If the worm gear and button are then on the left of the housing, then it is a left-side machine head, e.g. as found on a Stratocaster.
FAQ10020 I know that you produce machine heads for many reputable manufacturers such as Fender, Gibson, PRS, etc. with their company logo. What can I do, if one of these machine heads breaks?
Unfortunately we are not allowed to provide you with a replacement part. Please contact the manufacturer directly. Alternatively, we can only recommend you to install a set of Schaller machine heads from your specialist dealer. Then you will always have 100% quality - since today, unfortunately, almost all manufacturers also use products with their logo from the Far East.
FAQ10030 Where can I find information on the required hole diameters on the head plate for Schaller machine heads?

On our website, under "Products/Product help/Guidelines", we have set up a table from which you can see the relevant measures for your machine heads.

Under "Products" and then in the detailed view you will of course find a detailed table for each of our products, showing the bore diameter in one of the columns.

The "Technical drawings" tab in the product details view gives you access to full technical drawings of the product in question, complete with all dimensions. These drawings can also be downloaded.

FAQ10040 Where can I find information on the different mounting options of your machine heads (bracket, pin, etc.)?

On our website, under "Products/Product help/Guidelines", we have set up a table from which you can see the respective designs.

FAQ10050 What do I need to consider when using Schaller machine heads "6 in line" for my left-handed guitar?
Please order 6 right or 6 left machine heads, depending on your preference and the arrangement on the head plate.
FAQ10060 Which are the methods available for mounting Schaller machine heads onto the head plate?

There are 3 methods:

  1. Fastening with screws with or without thrust bearing;
  2. Fastening with screws and banjo bold. Here, the banjo bolt is an additional fastening and thrust bearing at the same time.
  3. Fastening only with banjo bolt and pin.

The pin or pins (2 in our Fender machine heads) are only used to prevent machine head twisting. See also the reference table under Products/Product help/Guidlines.

FAQ10065 In your product catalog, what does the transmission ratio mean for the machine heads?
If, for example, you have a machine head with a transmission ratio of 1:16, this means that you will have to turn the button 16 times to turn the adjusting axis once.
FAQ10070 After several years of use my machine heads are hard to turn; what can I do?

We recommend the following procedure:

  1. Change the mounting screw of the button.
  2. Check the plastic or wave washer at the button for wear and renew if required.
  3. With the machine heads closed, carefully oil with light precision mechanics oil at the shaft or gears, with the machine heads open, carefully oil the mechanical parts.
FAQ10080 I saw machine heads bearing the "S" from Schaller and "Made in Germany" on the D-Tuner device from the U.S. company Hipshot. How's that?
We produce the machine heads for Hipshot, while Hipshot produces the "D-Tuner" itself, but the machine heads are original Schaller parts.
FAQ10090 Schaller supplies the classic machine heads with acrylic and plastic buttons. What is the difference between the materials and the processing?
The acrylic button is a high-quality plastic which is made from layered material in an elaborate process. Its structure is based on that of mother-of-pearl. The colors are homogenous, i.e. not painted. The plastic buttons are used for "standard" machine heads and are made by injection molding using high quality plastics.
FAQ10100 I have seen "I", "II" und "III" symbols or markings on the inside of the Schaller machine heads. What do they mean?
These markings have no significance at all for you or for the function of the Schaller machine head. For us they designate the individual machine molds so that we are better able to isolate the cause of a problem in the event of a material defect. Of course, no product leaves the Schaller premises without having been checked and approved by our multi-stage quality control.
FAQ10110 Can I modify machine heads myself and, if yes, which ones in order to to be able to use left machine heads as right machine heads and vice versa?
This is only possible in isolated cases with some bass machine heads. We do not generally recommend such practices, however, because the product specifics are usually not taken into consideration and this can lead to defective assembly.
FAQ10120 I need machine heads for my concert guitar with a 36mm wave washer and not the normal 35mm. What do I do?
In this particular case we recommend you use our MK MINI Series without the base plate. This way you have high quality machine heads and can select the shaft distance as you wish. You can use shafts for steel or nylon strings.
FAQ10130 I am looking for "Reverse Headstock" machine heads, and instead of the normal 6 left, I need 6 right machine heads. Where can I get them?

Please simply order them from a specialist dealer. We can easily supply any combination, including 6 right machine heads (please see under Products/Product help/Guidelines).

FAQ10140 How exactly is the Schaller Banjo tension peg B4 adjustable?

It works like a D-tuner. You tune a note, setting it with a knurled thumb screw. With the second knurled thumb screw you adjust the required deeper string note. When you loosen the 1st knurled thumb screw the machine head then automatically turns to the second set note.

FAQ10145 What is the difference between the B4 and B4 Excenter banjo machine heads?

The 'excentrical' offset form of the B4 Excenter machine head provides increased flexibility when fitting it to the headstock. A further difference is that it has a 1:3.5 gear ratio, as opposed to 1:4. This makes tuning your instrument quicker, easier AND more precise!

FAQ10150 What does Schaller recommend for cleaning the tarnished tuning buttons on chrome-plated bass machine heads?
A difficult one: give it a careful try with a chrome polish. If the buttons are already too heavily tarnished, usually due to hand perspiration, then replacement is the only option.
FAQ10160 How do the Schaller clamp machine heads / locking tuners work?

These function like normal tuners but you do not need to wrap the strings around the shaft at the beginning. You position the string in the shaft hole with the clamp screw loosened, shorten the string approx. 10 mm behind the shaft, clamp the string with the clamp screw and tune the string (please see under Service/Lexicon).

FAQ10170 How can I clean Schaller BM Light machine heads with plastic housing?
Our plastic is reinforced with carbon fiber, so you can clean them using car polish or key oil.
FAQ10180 I have two sets of Schaller machine heads, but I have realized that the buttons are of different sizes.
Our tuning heads are fitted as standard with large buttons for 3/3 configuration and small buttons for 6-in-line configuration.
FAQ10190 Can I fit a set of Schaller "mini" machine heads with the buttons from a set of normal-sized machine heads?
Yes, you can do that - the shaft has the same diameter, so you just need a longer screw. However, you need to pay attention to the appearance and to the spacing between the machine heads, which they require in order to turn and which obviously becomes smaller.
FAQ10200 Can I also order individual machine heads or just the buttons?
Yes, you can also order any machine head individually, or just a set of buttons without the machine heads.
FAQ10220 Are the screws supplied for fixing the buttons to the housing the same color as the buttons?
In general yes, except in cases such as bicolor products or ebony buttons.
FAQ10230 I have fitted Schaller M6 locking machine heads to a Gibson headstock which is very thick; the problem is that the shaft with the hole only protrudes very slightly. What can I do about this?
In such cases, please order our Schaller M6 2000 locking machine heads with the special shaft length, which is 21mm rather than 18.5 or 19.5mm (staggered).
FAQ10240 Can I use steel strings with Schaller's acoustic guitar machine heads?

Yes, you can. Our machine heads are designed for this purpose. Please use either the Gibson or Emberger-type shaft (see Products/Guideline). For our nylon shafts, we recommend using nylon or gut strings.

FAQ10250 What does the "ST" used in the names of certain machine heads stand for (ST6, for example)?

"ST" is an abbreviation of "Standard Tuner"

FAQ10260 Do Schaller's sealed/enclosed machine heads need to be oiled from time to time?

All sealed tuners are lubricated with Schaller special grease, for a lifetime of maintenance-free service

FAQ10270 I have a MusicMan bass machine head produced by Schaller, and the shaft is slightly shorter than the original Schaller BM bass machine head. Can I replace the shaft?

Yes, you can use the Music Man shaft with buttons on the Schaller bass machine head and vice-versa, i.e. you can use the slightly longer Schaller shafts on the Music Man bass machine head.

FAQ10280 On which types of acoustic machine heads can I change the string posts myself, for instance when changing from a plastic sleeve to an emberger string post?

You can replace all open machine heads such as Hauser, Lyra, mandolin machine heads etc. yourself. However, you cannot replace the string posts in closed machine heads such as MK, MK Mini and Classic Deluxe yourself. Our emberger string posts with plastic sleeve and our nylon string posts are.