Our advanced hollow concrete block moulds are engineered for precision and durability in concrete block production. The Concrete Hollow Block Mold lineup features high-grade steel construction with reinforced corners to withstand intense vibration and pressure. For structural and landscape projects, we also provide specialized retaining wall block molds for sale that create interlocking units with a robust shear key design. Our interlocking block mold range is particularly popular for dry-stack construction, ensuring perfect alignment without mortar. Looking for versatile options? Browse our full inventory of block molds for sale, covering standard dimensions and custom profiles to match any project specification. Each mould undergoes heat treatment to achieve a hardness of HRC 58-62, delivering over 150,000 cycles in high-production environments. The cavity surfaces are precision-machined to a roughness of Ra 1.6µm, guaranteeing consistent block dimensions and smooth release. Modular base plates and quick-change side liners reduce downtime between batches, while the 10mm-thick steel frame prevents distortion under compaction forces up to 20 MPa.
The hollow concrete block moulds we manufacture are designed with interchangeable core bars that allow producers to adjust cavity size and shape, enabling production of blocks ranging from 100mm to 300mm in width. Core pullers are synchronized with the hydraulic system for automated ejection, cutting cycle time by 30% compared to fixed-core designs. Replaceable wear plates along the mould walls extend service life significantly, while the integrated heating channels maintain optimal concrete temperature during cold-weather operations. This product range includes models explicitly tailored for high-volume plants, with capacities of up to 3,000 blocks per shift when paired with modern egg-laying or stationary block machines. Critical load-bearing zones are reinforced with gusset plates, and all welded seams undergo ultrasonic inspection to prevent stress cracking.
| Model | Block Size (L×W×H) mm | Material | Cavities | Cycle Life (min.) | Weight (kg) |
|---|---|---|---|---|---|
| HCB-400-4C | 400×200×200 | Alloy Steel Q345B | 4 | 150,000 | 720 |
| HCB-400-6C | 400×150×200 | Alloy Steel Q345B | 6 | 180,000 | 830 |
| HCB-300-3C | 300×200×150 | Hardened 45# Steel | 3 | 120,000 | 540 |
| HCB-500-I | 500×250×250 | Alloy Steel Q345B | 1 (Interlocking) | 200,000 | 420 |
