This is a list of space bars by switch type and size.

Please take a look at space by keyboard to have an alphabetical list.

Alps

Please, enter space bar measures here!

6.25 units (?mm wide, ? mounts, ?mm apart)

6.5 units (?mm wide, ? mounts, ?mm apart)

Apple Extended Keyboard (Note: two different space bar stabilisers have been spotted)
Apple Extended Keyboard II

7 units (133mm wide, 3 mounts, 19.05mm apart)

One center Alps-mount and two extra mounts (similar to Cherry MX) 2.8875 units (55mm or 3.85") left and right of the center. The stabiliser mounts are a little taller than the center switch mount.

Ortek 142 Pro

7 units (?mm wide, ? mounts, ?mm apart)

Cherry MX

According to Cherry, 1 unit is 19.05mm, or 0.75" .

1.5 units (28mm wide, 1 center mount)

Phantom with 7BIT layout

3 units (57mm wide, 3 mounts, 19.05mm apart)

One center mount and two extra mounts 1 unit (19.05mm) left and right of the center.

For this space bar exist molds in the Signature Plastics SA family in form of a regular key.

4 units (76mm wide, 3 mounts, 28.5mm apart)

One center mount and two extra mounts 1.5 units (28.575mm) left and right of the center.

Tipro

For this space bar exist molds in the Signature Plastics SA family.

4.5 units (85mm wide, 3 mounts, 34.671mm apart)

One center mount and two stabiliser mounts 1.82 units (34.671mm) left and right of the center.

For this space bar exist molds in the Signature Plastics SA family.

5.5 units (104.5mm wide, 3 mounts, 43mm apart)

One center mount and 2 mounts 2.25 units (42.8625mm) left and right of the center.

Noppoo

6 units (114mm wide, 3 keymounts, 57mm and 38mm apart)

Three keymounts, one middle mount 0.5 units (9.525mm) right from center, left 3 units (57.15mm) and right 2 units (38.1mm) apart from middle mount. The stabilizer center-to-center is 95mm.

mounts from left to right at

0.5 units
3.5 units
5.5 units

Cherry G80-1800 with windows keys
Cherry G80-11900 with windows keys
Cherry G80-11908
Cherry G80-11800 with windows keys

6 units space bar of a G80-11908.

6 units (114mm wide, 3 keymounts, 38mm apart)

114mm wide, one center mount and two mounts 2 units (38.1mm) left and right of the center.

6 units (114mm wide, 3 keymounts, 43.5mm apart)

114mm wide, one center mount and two mounts (43.5mm, 49mm center-to-center) left and right of the center. The stabilizer center-to-center is 98mm.

CMStorm QuickFire Ultimate

6.25 units (118mm wide, 3 mounts, 50mm apart)

One center mount and 2 extra mounts 50mm left and right of the cneter.

These space bar measures are covered by the Signature Plastics Universal Space Bar.

6.25 units (118mm wide, 3 mounts, no center mount)

3 mounts, two mounts 50mm apart from center, one mount 11.9mm to the right.

Mounts from left to right at:

0.5 units
3.75 units
5.75 units

These space bar measures are covered by the Signature Plastics Universal Space Bars from both the DCS and SA families.

Cherry G80-1000 (with windows keys; 3 modifiers left, 4 modifiers right)
Cherry G80-3000 (with windows keys; 3 modifiers left, 4 modifiers right)
Das Keyboard 2

6.25 units space bar with mounts for Cherry and Filco. Below are the Cherry G80-3000 stabilisers.

6.25 units (118mm wide, 3 mounts, 40mm apart)

One center mount and two mounts 2.1 units (40mm) left and right of the center

These space bar measures are covered by the Signature Plastics Universal Space Bars from both the DCS and SA families.

6.25 units (118mm wide, 3 mounts, 42.5 mm apart)

One center mount and two mounts 42.5 mm) left and right of the center

Leopold FC500
keycool 87 (older model before 2012)

6.25 units (118mm wide, 6 mounts)

Deck Hassium Pro DS PBT Spacebar is ABS, other keys are DS PBT.

6 unit space bar from a Deck Hassium Pro DS PBT (US Version). The three stems separated by 50mm are used. The stems that are seperated 28.1mm and 51.9mm are unused, ie 40mm left and right of the center.

6.5 units (123mm wide, 3 mounts, 52.25mm apart)

Once center mount and two mounts 2.75 units (52.38mm) left and right of the center.

7 units (133mm wide, 3 mounts, 57mm apart)

One center mount and two mounts 3 units (57.15mm) left and right of the center.

Cherry G80-1000 (101/102 key keyboards without windows keys)
Cherry G80-1800 (101/102 key keyboards without windows keys)
Cherry G80-3000 (101/102 key keyboards without windows keys)
Cherry G80-2100
Cherry G80-2510
Cherry G80-2550

7 units (133mm wide, 3 mounts, 57mm and 42.8mm apart)

One center mount and two extra mounts, one 3 units (57.15mm) left of the center and one 2.25 units (42.8625mm) right of the center.

MX-11800 (Compaq)

7 unit space bar from a Compaq MX-11801. Of the two mounts on the right side the rightmost is used

7 units (133mm wide, 3 mounts, 55mm apart)

Propac (Unknown make, possibly Taiwanese)

8 units (152mm wide, 3 mounts, 66.7mm apart)

One center mount and two mounts 3.5 units (66.675mm) left and right of the center. For this space bar Signature Plastics has tools in the DCS family.

Wyse PCE Keyboard

9 units (171mm wide, 3 mounts, 66.675mm apart)

One centre mount and two mounts 3.5 units left and right of the centre.

Cherry G80-0904 (Commodore Amiga 2000)

9.75 units (185.25mm wide, 3 mounts, 66.5mm apart)

One center mount and two mounts 3.5 units (66.675mm) left and right of the center. For this space bar Signature Plastics has tools in the DCS family.

WYSE ASCII

10 units (190mm wide, 3 mounts, 66.5mm apart)

One center mount and two mounts 3.5 units (66.675mm) left and right of the center.

G80-0528HAU: 10 units space bar.

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