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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.

Cast Iron Straight Edges

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Cast Iron Straight Edges
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Product Details:
Minimum Order Quantity20 Piece
ShapeSection
Surface FinishRexine cover
Surface TreatmentPolished
BrandLuthra
Sizes600mm-6000mm
TypeI Section

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 aging 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.

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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
Dimensions300 x 35 x 8
Straightness Microns um12
Parallelism Microns um12
MaterialAlloy Steel
TypeTile Accessories
BrandLuthra

Model Overview:

(As per IS:2220)


Dimensions
L X B X H
mm
Straightness Microns
um
Parallelism Microns
um
300 x 35 x 81224
450 x 35 x 81224
600 x 50 x 81530
1000x 50 x 82142
1200 x 55 x 102550
1500 x 65 x 122958
2000 x 65 x 123774
2500 x 65 x 124692
3000 x 85 x 1854108
4000 x 100 x 2071142
5000 x 100 x 2087174
6000 x 120 x 20100200
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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 Quantity20 Piece
BrandLuthra
ShapeFlat
Size1000
Straightness Microns um21
Parallelism Microns um42
MaterialAluminum

Model Overview:


Sizes
mm
Straightness Microns
um
Parallelism Microns
um
10002142
15002958
20003774
25004692
300054108
400071142
500087174

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Prismatic Straight Triangular Edges

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Prismatic Straight Triangular Edges
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Product Details:
Minimum Order Quantity20 Piece
BrandLuthra
Length500
Microns4
MaterialCast Iron
Usesindustrial
Pack TypePacket

Model Overview:


LengthAngle between working Surfaces
(in Degrees)
Tolerance on Flatness of Working Surfaces
304560
Millimeter
mm
Width of working surfaces
mm
Microns
um
5007070604
7509090806
10001101101008
125013013011013
150013013011013
200013013011016
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Granite Straight Edges

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Granite Straight Edges
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Product Details:
Minimum Order Quantity20 Piece
BrandLuthra
Size1000x 150 x 75
Straightness10
Parallelism10
ApplicationIndustrial
FinishingHand Scrapped

Model Overview:


Sizes
L x B x H
mm
Accuracy in Microns
um
StraightnessParallelism
1000x 150 x 751010
1500 x 200 x 751515
2000 x 200 x 752020
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Luthra Engineering Works
Gaurav Luthra (Proprietor)
Plot No. 25, HSIIDC Industrial Estate Luthra House, Delhi Road, Lakshmi Nagar,
Sonipat - 131001, Haryana, India
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