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Steel Worker Construction Sets

Steel Worker was a construction system for making steel structures for model buildings. Made in the USA in the late 1920s.


Manufacturer / Distributor

The Dayton Friction Toy Co., Dayton, Ohio, USA


Info from the Metal Constructional Systems Database for STEEL WORKER

Maker
 
System Type
Non-Meccano type
Country
USA
Dates
known in 1928 to 1930s
Material
Steel
Thread
4-36
Boss Type
no boss
Boss Thread
----
Diametrical Pitch of Gears
--
No. of Parts in System
11
Hole Pitch (Spacing) (mm)
9.5 (see comment *1)
Diameter of holes in Strips(mm)
3.1
Diameter of the Bore in Bosses(mm)
---
Diameter of Axle Rods(mm)
---
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Nickel plated finish
Size of the Nuts across Flats (mm)
6.3
Bolt diameter (mm)
5.0

Comments
Large Trusses & Channel Girders for structures. *1 Multiples of exactly 3/8".

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

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


Photos of a Steel Worker set.
(Taken from an Ebay listing)
(Added 20/09/2020)