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Benco Metall Baukasten Construction Sets

Benco Metall Baukasten was a construction system similar to Meccano. It had a few unusual parts. It was produced in Germany from around 1949 to 1960.

Manufacturer / Distributor

Berthold Neumann & Co. GmbH, Essen, Germany

Info from the Metal Constructional Systems Database for BENCO

System Type
Hole pitch <12.7mm
1949 to 1960s (some significant doubt)
Metal / Plastic
Boss Type
not tapped
Boss Thread
Diametrical Pitch of Gears
10 (see comment *1)
No. of Parts in System
Hole Pitch (Spacing) (mm)
Diameter of holes in Strips(mm)
4.5 (see comment *2)
Diameter of the Bore in Bosses(mm)
Diameter of Axle Rods(mm)
3.5 (see comment *3) (Screwed Rods or Bolts are used as axles.)
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: tapered cheese (slotted)
Material/Finish of Nuts and Bolts
Steel with a Nickel plated finish
Size of the Nuts across Flats (mm)
Bolt diameter (mm)

Some slightly unusual parts including large tooth Gears including combined Gear/Bevel. DIY plastic Plates from Sheets in 4 colours, & Tool to punch holes. *1 4.3-4.5 in other parts. *2 Mod.2.5. *3 Crank Shaft only.

The MCS document for this system is shown below. It can also be downloaded to your computer if desired here

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The report can be zoomed into, made full screen or downloaded as a pdf document by using the controls provided

Below there are manuals/leafets and photos which can be downloaded by clicking on the appropriate image.

The manual for Benco Metall Baukasten set A (in German)
(Added 25/10/2018)

The manual for Benco Metall Baukasten set B (in German)
(Added 25/10/2018)

Another manual for Benco Metall Baukasten set B (in German)
(Added 23/05/2019)

The manual for Benco Metall Baukasten set C/D (in German)
(Added 25/10/2018)

The manual for Benco Metall Baukasten Gears set (in German)
(Added 25/10/2018)

The German patent for Benco Metall Baukasten
(Added 25/10/2018)

Various photos of the Benco construction system
(Added 25/10/2018)