Metal DIY Model Construction Sets

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Metal DIY Model Construction Sets

Metal DIY Model Construction Sets have parts to similar to Eitech Construction and are classified as a Polylong(1) type sets. The instructions were on the rear of the sets. The coloured parts were plastic. This is a set of four small single model Digger sets. They were made in China.

Manufacturer / Distributor

Henbrandt, Ipswich.
Imported from China

Info from the Metal Constructional Systems Database for POLYLONG [1]

Maker

System Type
as CONSTRUCTION

Country
China

Dates
2003 to in production in 2018 and continuing

Material
Steel

Thread
M4

Boss Type
push fit

Boss Thread
----

Diametrical Pitch of Gears
25 (see comment *¹)

No. of Parts in System
50 (approximately)

Hole Pitch (Spacing) (mm)
10.0

Diameter of holes in Strips(mm)
4.2 (see comment *²)

Diameter of the Bore in Bosses(mm)
---

Diameter of Axle Rods(mm)
4.0

Types of Nuts and Bolts
Nuts: hexagonal
Bolts: pan (crosshead)

Material/Finish of Nuts and Bolts
Steel with a Bright Zinc plated finish

Size of the Nuts across Flats (mm)
6.9

Bolt diameter (mm)
6.5(see comment *³)

Comments
Various Sets (see separate list) from Polylong & other makers. Most parts as CONSTRUCTION [1] but some others. *¹ Mod.1 & finer for Motor/Gear Unit.. *² Square holes in some RCEE sets, see TRONICO [a]. *³ 6.1 & 7.4 also reported.

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

Photos of a Metal DIY Model Digger Set
(Added 03/07/20)