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GRE Cast Iron Straight edges are used for checking the straightness and flatness of parts in conjunction with the surface plates and spirit levels. These may be made of cast iron. C.I. straight edges are made up to 4 m length and widely used for testing machine tool slide ways. They are heavily ribbed either more...
Luthra Cast Iron I-Section Straight Edges are made of good quality closed grain cast iron strictly as per IS 210:1993 confirming to Grade FG-220. Castings are stress relieved either by natural ageing or by artificial seasoning. Hardness 170-220 BHN. Hand scrapped for surface finish of Grade-1 accuracy. Wooden more...