Hardness 58 RC. Above 300 mm unhardened & Hand scraped on Main working surfaces.

Made Generally as per IS : 2103-1980 Grade A Made from good quality of Alloy Steel Hardened, Ground & Stabilized up to 300 mm.

Type-2 Plain & Beveled edge Size in mm Perpendicularity In µm
75 X 50 X 4 3
100 X 70 X 5 3
150 X 100 X 6 4
200 X 140 X 6 4
300 X 200 X 8 5
500 X 300 X 10 10

Other sizes on request.

Type-3 Plain & Beveled edges with flange Size in mm Perpendicularity In µm
300 X 200 X 8 5
500 X 300 X 10 10
600 X 400 X 10 10
750 X 500 X 12 15
1000 X 750 X 12 25