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Catalog > Wind Instruments > Squeezeboxes > Accessories updated Feb 15, 2007

Squeezebox Parts: Buttons for Accordions and Concertinas

Squeezebox Repairs | Repair Tips
See also Button Box / Concertina Parts

On this page:
Concertina Buttons | Accordion Buttons

Thinking of repairing that old accordion yourself?
See Accordion Repairs Made Easy


Chart of Equivalent Measurements

Inches (fraction) Inches (decimal) Metric (mm) Metric (cm)
1/16 .0625 1.59 .159
1/8 .125 3.175 .3175
3/16 .1875 4.76 .476
1/4 .25 6.35 .635
5/16 .3125 7.94 .794
3/8 .375 9.525 .9525
7/16 .4375 11.11 1.111
1/2 .5 12.7 1.27
9/16 .5625 14.29 1.429
5/8 .625 15.875 1.5875
3/4 .75 19.05 1.905
7/8 .875 22.23 2.223
1 1 25.4 2.54

Piano Accordion Bass Buttons (can also be used as treble buttons for some concertinas) Part #321. Generally available in large size only; rarely available in small.

Approximately 5/16-inch diameter, 5/8-inch long
$5.00 for 1 dozen (12)
Choose color: Choose size: Quantity: dozen

Button Accordion Trebles

Part TB2P Melodeon, 2-row, old style, each white pearloid, metal back, w/red felt cushion, brass center screw permanently mounted, approx. .56" diameter. Typically used on older 2-row melodeons. Availability limited to stock on hand (12 left).
$2 Quantity:
Corona style pearl, each : white plastic pearloid, slightly domed top, back has a center hole for mounting screw, .236" high, .5" diameter. Made by Hohner for use on Corona or Panther 3-row button accordions. Availability limited to stock on hand (only 9 left).
$2 Quantity:


Corona Classic, each : plain white plastic, slightly domed top, back has a center hole for mounting screw, .3/8" high, 1/2" diameter. Made by Hohner for use on Corona II HA3522 3-row button accordions. Availability limited to stock on hand (3 left).
$2 Quantity:


Part WT3, by Weltmeister, each : plain white or black plastic, nearly flat top, back has large cavity and notch for mounting, 5/8" high, .5" diameter. Made by Weltmeister for use on their 3-row diatonic button accordions. Availability limited to stock on hand (9 left: 3 black, 6 white).
$1.25 Quantity: Choose color:

Button Accordion Bass Buttons

Corona II, each : plain white plastic, almost flat top, back has a center hole for mounting screw, .3/8" high, 5/16" diameter. Made by Hohner for use on Corona 3522 3-row button accordions. Availability limited to quantity on hand (only 2 left).
$1.50 Quantity: