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Cast Iron Bridge Ruler

Standard : JB/T977-99 ,Material : HT 250

Scraping and lapping technology is adopted in working face.

Application:measuring instrument for measuring the straightness and flatness of a workpiece.

Temperature : (20+-5)℃

Specifications

Spec  mmstraightness &flatness of working surface
Precision grade
0 class1 class2 class
500*503612
750*504815
1000*50
1020
1600*70
1530
2000*80
1836
2500*90
2244
3000*100

52
3500*100

60
4000*100

68
5000*110

84
6300*120

105
8000*120

132


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