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Prismatic (Triangular) Straight Edges

Prismatic (Triangular) Straight Edges
Prismatic (Triangular) Straight Edges
Product Code : 27
Product Description

Prismatic (Triangular) Straight Edges 

We hold the expertise in manufacturing Prismatic (Triangular) Straight Edges. We use supreme raw materials for the manufacture of these products. . Our products are featured with muscular body, suitable M.S. handles on both end for easy lifting. These are used for checking angle and flatness of machine tools, fixtures and slides. We are selling these at economic rate to please our clients spread all over the world.

Some of its unique features are:

  • Luthra cast iron Prismatic 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.
  • Working surfaces are finished by hand scrapping to desired accuracy as per IS 8823:1978.
  • Provided with suitable M.S. handles on both end for easy lifting.
  • Offered in sizes with various working angles between working faces as shown in the table.
  • Prismatic   Straight edges are supplied with computerised calibration certificate traceable to National Physical   Laboratory   (NPL, Govt of India) New Delhi

Standard Size and accuracy of Luthra Triangular Straight Edges as per IS : 8823-1978, Grade-1

Length Angle between working Surfaces (in Degrees) Tolerance on Flatness of Working Surfaces
30 45 60
Millimetre mm Width of working surfaces  mm Microns um
500 70 70 60 4
750 90 90 80 6
1000 110 110 100 8
1250 130 130 110 13
1500 130 130 110 13
2000 130 130 110 16

Prismatic (Triangular) Straight Edges 

We hold the expertise in manufacturing Prismatic (Triangular) Straight Edges. We use supreme raw materials for the manufacture of these products. . Our products are featured with muscular body, suitable M.S. handles on both end for easy lifting. These are used for checking angle and flatness of machine tools, fixtures and slides. We are selling these at economic rate to please our clients spread all over the world.

Some of its unique features are:

  • Luthra cast iron Prismatic 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.
  • Working surfaces are finished by hand scrapping to desired accuracy as per IS 8823:1978.
  • Provided with suitable M.S. handles on both end for easy lifting.
  • Offered in sizes with various working angles between working faces as shown in the table.
  • Prismatic   Straight edges are supplied with computerised calibration certificate traceable to National Physical   Laboratory   (NPL, Govt of India) New Delhi

Standard Size and accuracy of Luthra Triangular Straight Edges as per IS : 8823-1978, Grade-1

Length Angle between working Surfaces (in Degrees) Tolerance on Flatness of Working Surfaces
30 45 60
Millimetre mm Width of working surfaces  mm Microns um
500 70 70 60 4
750 90 90 80 6
1000 110 110 100 8
1250 130 130 110 13
1500 130 130 110 13
2000 130 130 110 16
Contact Us

No. 41, Nagdevi Cross Lane, P. O. Box 3029, Mumbai, Maharashtra, 400003, India
Phone :91-22-23442098/23410800