Interlocking Block Moulds For Sale
2.Hardness for shoes:HRC59-62
3.Carburized layer thickness:1.3-1.5mm
4.Unilateral clearance between presser foot and mold cavity: 0.2 mm ≤ Unilateral clearance ≤ 0.4mm
5.Flatness of the whole board: ≤ 0.5mm
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Product Details ofInterlocking Block Moulds For Sale
interlocking block moulds for sale
A Complete Guide to Available Options
The market for interlocking block moulds has expanded significantly in recent years, driven by growing demand for mortar-free construction systems. Whether you are setting up a new production line or replacing worn tooling, understanding the available options - from industrial steel moulds to entry-level plastic versions - is essential for making an informed purchase.
This page provides an overview of interlocking block moulds currently available, organized by material type, production scale, and supplier capability.
Documented Project Deliveries
Kenya – March 2026
UNIK completed a major equipment shipment to Kenya, including fully automatic concrete block production lines, planetary mixers, vertical radial extrusion pipe making machines, and precast moulds. The shipment demonstrated UNIK's capacity to deliver complete production systems to African markets.
Sri Lanka – June 2025
UNIK delivered a fully-automatic hydraulic wave-type interlock paving block production line to a waterfront development in Colombo. Production rate: 18 cycles per hour. Output capacity: 2,000 m² per shift. A UNIK technician arrived in Colombo to supervise commissioning, calibrate moulds, and train local staff. The client confirmed that UNIK's moulds already exceeded 80,000 cycles on similar projects in the Maldives.
These deliveries are verifiable through UNIK's customer references and project documentation.
Four Questions to Ask Any Interlocking Block Mould Supplier
Question One: What steel grade do you use and how is it heat treated?
The answer distinguishes industrial-grade suppliers from commodity sellers. Quality steel moulds require low-carbon alloy steel with carburizing capability-typically Cr12MoV or 9CrSi for interlocking applications. Heat treatment must include carburizing, quenching, and tempering, achieving surface hardness of HRC58-62 while maintaining core toughness at HRC35-40. Suppliers who cannot specify their steel grade and heat treatment process should be avoided.
UNIK uses vacuum-degassed Cr12MoV and 9CrSi alloy tool steel, processed through spheroidizing annealing, vacuum quenching, multiple tempering cycles, and optional deep-cryogenic treatment to -196°C.
Question Two: What dimensional tolerances do you guarantee?
Interlocking blocks require precise geometry. If the interlocking features are off by more than 0.3mm, blocks will not lock together properly. UNIK guarantees single cavity dimensional tolerance of -0.3 to +0.3mm, height deviation of ±0.5mm, and whole board flatness of ≤0.5mm. Suppliers should provide written tolerance specifications before purchase.
Question Three: Can you provide references from similar projects?
Past deliveries in comparable markets indicate supplier capability. UNIK has documented deliveries to Kenya (March 2026) and Sri Lanka (June 2025), with moulds exceeding 80,000 cycles in tropical climate conditions similar to those in Africa and Southeast Asia. Suppliers without verifiable project references present higher risk.
Question Four: What after-sales support is included?
Industrial moulds require spare parts, technical assistance, and occasional refurbishment. UNIK provides 12-month warranty, spare modular insert sets, re-hardening services, remote technical assistance, and maintenance guidelines. Suppliers who cannot commit to post-delivery support should be evaluated carefully.
Quality Assurance Before Shipment
UNIK applies the following inspection protocols to every interlocking block mould before shipment:
Raw material verification confirming steel grade
In-process dimensional checks during CNC machining
Hardness testing validating surface (HRC58-62) and core (HRC35-40)
Final dimensional measurement of all critical tolerances
Mounting hole alignment validated against a standard test plate
Only moulds that pass all inspections are shipped. Buyers should request similar quality assurance documentation from any supplier before purchase.
Our factory
Manufacturing
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Fujian Unik Mould Technology Co., Ltd. is a professional company specializing in the smart manufacturing of brick machine moulds. The company currently employs 48 people, 22 of whom have more than ten years of industry experience. UNIK moulds are compatible with over 20 well-known domestic and international brick machine brands, including Hess, Masa, Tiger, Besser, Zenith, Quangong, Rietz, Yinma, Qunfeng, Sanlian, KVM, Frima, Quadra, and Poyatos.
UNIK products are sold across all Chinese provinces, municipalities, and autonomous regions except Hong Kong and Macau, and are exported to 12 international markets, including Russia, Saudi Arabia, the UAE, Malaysia, Thailand, India, Vietnam, and Bangladesh. Customers have consistently praised UNIK for its product quality, service reliability, and on-time delivery.
Mould Series Development
UNIK offers an extensive range of mould series, including:
Conventional Paver Series
Stone-like Paver Series
Combination Paver Series
Curb Stone Series
Grass-embedded Brick Series
Conventional Wall Block Series
Decorative Wall Series
Hydraulic Slope Protection Series
Dry-stacked Retaining Wall Series
Special Function Brick and Stone Series
Together, these series cover more than 1,200 different brick types, providing comprehensive solutions for a wide variety of construction and engineering applications.
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