Steelrule |
Steel rules are made of spring steel or stainless steel . the edges are accurately ground to form straight edges .
The surface of the steel rule is stain- chrome finished to reduce glare , and to prevent rusting .
Sizes of steel rules
Steel rules are available in different lengths, the common sizes being 150 mm , 300mm and 600mm.
The engineer's steel rule is graduated in 10mm , 5mm ,1mm and 0.5 mm .
The reading accuracy of the steel rule is 0.5mm .
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