Supplied in matched pairs
Competitive price with fast delivery
Jinan granite,high quanlity
Competitive price with fast delivery
Jinan granite,high quanlity
Granite Parallels
Granite parallels can be used to elevate workpieces above the surface of a plate so the workpieces with shoulders or steps can be puickly and easily inspected among many other uses. They come in 2 sides finished or 4 sides finished. Always supplied in pairs.Manufactured from carefully selected black granite.
Precision:according to the national standards measurement examination regulations execution:
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Type(mm)
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Flatness of working surface &
parallelism of opposite surface
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Squareness between working surfaces
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Tolerance of H,W between a matched pair
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Precision Grade (µm)
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||||||
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00
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0
|
00
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0
|
00
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0
|
|
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160×25×16
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1.5
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3
|
20
|
40
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1.5
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3
|
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250×40×25
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2
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4
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30
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60
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2
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4
|
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400×63×40
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4
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8
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40
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80
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4
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8
|
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630×100×63
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6
|
12
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50
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100
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6
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12
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