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Steel Builder(1)

Steel Builder (sometimes Steelbuilder) was an unusual construction system, with its parts connected by means of a sliding clip. It was made in the USA from at least 1934 to 1938.

Manufacturer / Distributor

Steel Builder Co. Inc., 2-24 Orange Street, Newark, New Jersey, USA
A division of Acme Metal Goods Manufacturing Co.

Info from the Metal Constructional Systems Database for STEEL BUILDER [1] (Ref:S B1)

Maker
 
System Type
Non-Meccano type and Buildings
Country
USA
Dates
1934 to known in 1938
Material
Steel
Thread
4-36
Boss Type
single-tapped
Boss Thread
4-36
Diametrical Pitch of Gears
--
No. of Parts in System
67
Hole Pitch (Spacing) (mm)
25.4 (see comment *1)
Diameter of holes in Strips(mm)
3.2
Diameter of the Bore in Bosses(mm)
3.2
Diameter of Axle Rods(mm)
3.1
Types of Nuts and Bolts
Nuts: hexagonal
Bolts: round (slotted)
Material/Finish of Nuts and Bolts
Steel with a Dull plated finish
Size of the Nuts across Flats (mm)
6.2
Bolt diameter (mm)
5.2

Comments
Sometimes STEELBUILDER. Lid label has boy wih House & Big Wheel. Parts bolt together or held by Slide Fasteners. Patent & manual copyright, 1934. *1 Plus multiples & others.

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

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Pages from the 'Other Systems Newsletter' which contain information on this system are shown below. They 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 various manuals/leafets which can be downloaded by clicking on the appropriate image.


A Steelbuilder(1) instruction manual.
Added 01/05/22

A Steelbuilder(1) supplement to the instruction manual.
Added 01/05/22

Page content last updated - 1st May 2022