OIML M1 Class Cast Iron Standard Test Weights / Counter Weights (1000kg, 5000kg available)

Key Features

✅ High Density Cast Iron BodyStable mass, low deformation, good weather resistance for long-time outdoor & factory use. 

✅ Forklift & Lifting Friendly StructureReserved forklift slots or lifting rings, convenient for crane, forklift loading and moving on site. Stackable design to save storage space.

✅ Custom Marking & Color PaintingCustom engraved brand logo, serial number, weight value. Optional color: black, yellow, red, blue etc. 

✅ Accuracy Class: OIML M1 / M2 / M3 OptionalWe can provide calibration certificates upon request for metrology inspection. 

✅ Full Range SizesFrom small lock weights (20kg) up to large block weights (5 ton). OEM & ODM orders supported.

Main Applications

1. Weighbridge / Truck Scale CalibrationCalibrate vehicle weighbridge, platform scale, hopper scale, crane scale, belt scale for grain depot, quarry, concrete mixing plant, logistics park.

2. Lifting Equipment Load TestLoad inspection for overhead cranes, gantry cranes, hoists during factory test and annual safety inspection.

3. Elevator & Lift Load TestingElevator acceptance test, balance coefficient test, periodic load inspection for elevators and construction hoists.

4. Engineering Static Load TestStatic load experiment for bridges, precast beams, steel structures and foundation settlement detection.

5. Counterweight & BallastCounterweight for tower cranes, wind power equipment, large machine tools; ballast for billboards, formwork, marine ship trimming.

6. Metrology Institute & Third-party InspectionStandard mass reference for metrology bureaus and calibration labs for value traceability.

Each weight is wrapped with stretch film to avoid scratch during transit, loaded on standard export wooden pallets. Suitable for sea freight, container shipment for overseas clients.

We are the direct manufacturer, support bulk wholesale, export to Southeast Asia, Middle East and other markets. Welcome to send your drawing or requirement for quotation.