Aluminium straight edges are widely used in industries where along with accuracy weight is also important factor. Light Weight Aluminum Straight Edges feature of these aluminium straight edges make them easy to use especially when using longer straight edges this is undoubtedly of great significance. These straight edges are made of aluminium section with steel strip reinforced on working surfaces for better working and durability. Each Luthra aluminium straight edges is provided with computerized calibration certificate traceable to NPL (Govt. Of India)

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Standard sizes and accuracy of light weight aluminium straight edge As per Grade 1:

Size mm Straightness um Parallelism um
1000 21 42
1500 29 58
2000 37 74
2500 46 92
3000 54 108
4000 71 142
5000 87 174