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.

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.

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.

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.

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

Please order 6 right or 6 left machine heads, depending on your preference and the arrangement on 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.

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.

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.

We produce the machine heads for Hipshot, while Hipshot produces the "D-Tuner" itself, but the machine heads are original Schaller parts.

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.

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.

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.

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.

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).

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.

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!

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.

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).

Our plastic is reinforced with carbon fiber, so you can clean them using car polish or key oil.

Our tuning heads are fitted as standard with large buttons for 3/3 configuration and small buttons for 6-in-line configuration.

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.

Yes, you can also order any machine head individually, or just a set of buttons without the machine heads.

In general yes, except in cases such as bicolor products or ebony buttons.

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).

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.

"ST" is an abbreviation of "Standard Tuner"

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

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.

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.