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Jumbo MK2 MouldSKU: JJBCM.KO
M4 Knock-Out Block Jumbo MK2 Mould MK2 Mould
The JJBCM.KO is an interchangeable mould unit designed for the Doubell Jumbo MK2 brick making machine. It produces M4 Knock-Out Block bricks with high efficiency and consistency.
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Knock-out Block
M4 Knock-Out Block
Model: BCM.KO
Knock-Out M4 Block (Closed Bottom). Features pre-weakened sections to easily create channels for horizontal reinforcement or piping.
Dimensions
- L: 390 mm
- W: 90 mm
- H: 190 mm
Family
BCM
Compatible Machine

MK2 Range
Doubell Jumbo MK2 Manual "egg-layer" Brick Machine (Mould not included)
Doubell Jumbo MK2 Manual "egg-layer" Brick Machine (Mould not included)
View Base MachineCost Calculator
Est. Volume
0.00557 m³
Est. Mass
11.15 kg
Cost Per Brick (ZAR)
4.78
Cement: ZAR 2.45
Sand: ZAR 1.75
Stone: ZAR 0.48
Labor: ZAR 0.10
Production Forecasting
DIY Hand Mould
DIYBCM.KO
500
(1 min cycles @ 100% efficiency)
2
1000
Bricks / Day
Jumbo MK2
JJM + JJBCM.KO
500
(1 min cycles @ 100% efficiency)
5
2500
Bricks / Day
Jumbo MK3
JJJM + JJJBCM.KO
500
(1 min cycles @ 100% efficiency)
10
5000
Bricks / Day