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Straight Edges

We are instrumental in offering a qualitative range of Straight edges that are used for checking surface flatness of large precision area. Straight Edges have been designed well and ribbed in the best manner to retain their accuracy under varying conditions and are as light as possible without sacrificing rigidity. Our range of straight edges includes cast iron straight edges, engineers steel straight edges, prismatic straight edges, triangular straight edges, tool maker edge, knife edge, light weight aluminum straight edges and granite straight edges.

Prismatic Straight Triangular Edges

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Prismatic Straight Triangular Edges
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Product Details:
BrandLuthra
Length500 mm to 2000mm
MaterialCast Iron
Usesindustrial

Model Overview:

Length

Angle between working Surfaces 
(in Degrees)

Tolerance on Flatness of Working Surfaces

30°

45°

60°

mm

Width of working surfaces 
(mm)

Microns 
µm

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



Additional Information:

  • Packaging Details: Secure Wooden Packaging
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    Cast Iron Straight Edges

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    Cast Iron Straight Edges
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    Product Brochure
    Product Details:
    Usage/ApplicationIndustrial
    Sizes600mm-8000mm

    We are one of the well-known manufacturers of Cast Iron Straight Edges that are widely used for erection, commissioning and leveling purpose. I- section straight edges is used to checking the surface flatness of large precision area such as surface tables and machine tables etc. Cast iron straight edges are also used for blue matching during hand scrapping operations .I-section straight edges have the wide and parallel working surface for application of spirit level. Luthra I –Section straight Edge are made as per IS 5268:1991 Grade-1.
     
    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 covers are provided with each straight edge to protect working surfaces.

    Safe storage wooden box can also be provided on request at extra cost.

    Actual dimensions of Straight Edges may be more or less than those mentioned in the table below therefore the sizes and dimensions of straight edges of the same length may vary.

    Only match pair Straight edges will have the same dimensions (i.e. overall depth). The flatness and parallelism will be within specified limits of the standard and those can be used as Matched pairs.

    I-Section Straight Edges are supplied with computerized calibration certificate traceable to National Physical Laboratory (NPL, Govt Of India ) New Delhi.

     


    Additional Information:

  • Packaging Details: Wooden covers for covering the faces of Straight Edge. Additional Wooden box for secure transportation.
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    Engineers Steel Straight Edges

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    Engineers Steel Straight Edges
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    Product Details:
    Minimum Order Quantity1 Unit
    MaterialSteel
    Length100 mm to 6000 mm
    BrandLuthra

    Model Overview:

    (As per IS:2220)


    Dimensions
    L X B X H
    mm
    Straightness Microns
    um
    Parallelism Microns
    um
    300 x 35 x 8 12 24
    450 x 35 x 8 12 24
    600 x 50 x 8 15 30
    1000x 50 x 8 21 42
    1200 x 55 x 10 25 50
    1500 x 65 x 12 29 58
    2000 x 65 x 12 37 74
    2500 x 65 x 12 46 92
    3000 x 85 x 18 54 108
    4000 x 100 x 20 71 142
    5000 x 100 x 20 87 174
    6000 x 120 x 20 100 200
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    Light Weight Aluminum Straight Edges

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    Light Weight Aluminum Straight Edges
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    Product Details:
    Minimum Order Quantity1 Piece
    BrandLuthra
    MaterialAluminum
    ShapeI-Section

    Model Overview:

    (As per IS:5268)

    Dimensions 
    L X B X H 
    mm
    Straightness Microns 
    um
    Parallelism Microns 
    um
    1000 x 110 x 50 10 10
    1500 x 110 x 50 15 15
    2000 x 110 x 50 20 20
    2500 x 110 x 50 25 25
    3000 x 110 x 50 30 30
    3500 x 110 x 50 35 35
    4000 x 150 x 50 40 40
    5000 x 150 x 50 50 50


    Additional Information:

  • Production Capacity: .
  • Delivery Time: .
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    Gaurav Luthra (Director)
    Luthra Precision Instruments Private Limited
    Plot No. 25-26, HSIIDC Industrial Estate, Double Storey
    Sonipat - 131001, Haryana, India
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