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Jumbo MK3 MouldSKU: JJJBC.STR
4 Inch Stretcher Block Jumbo MK3 Mould MK3 Mould
The JJJBC.STR is a heavy-duty interchangeable mould unit designed for the Doubell Jumbo MK3 brick making machine. It produces 4 Inch Stretcher Block bricks with industrial-grade efficiency and consistency.
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Stretcher Block
4 Inch Stretcher Block
Model: BC.STR
4 Inch Stretcher Block. Standard profile for running wall sections.
Dimensions
- L: 440 mm
- W: 110 mm
- H: 220 mm
Family
BC
Compatible Machine

MK3 Range
Doubell Jumbo MK3 Manual "egg-layer" Brick Machine (Mould not included)
Doubell Jumbo MK3 Manual "egg-layer" Brick Machine (Mould not included)
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Est. Volume
0.00827 m³
Est. Mass
16.55 kg
Cost Per Brick (ZAR)
7.07
Cement: ZAR 3.64
Sand: ZAR 2.59
Stone: ZAR 0.71
Labor: ZAR 0.13
Production Forecasting
DIY Hand Mould
DIYBC.STR
500
(1 min cycles @ 100% efficiency)
2
1000
Bricks / Day
Jumbo MK2
JJM + JJBC.STR
500
(1 min cycles @ 100% efficiency)
4
2000
Bricks / Day
Jumbo MK3
JJJM + JJJBC.STR
500
(1 min cycles @ 100% efficiency)
8
4000
Bricks / Day