Tenders for Supply of Bmbc Piston Stroke Gauge Size-32 Mm And 40 Mm, Material Tool Steel To Is:3748/90, Hardness-50/55 Hrc & Supply With Calibration Certificate And Warranty As Per Irs Terms And Condition.. Bmbc Piston Stroke Gauge Size-32 Mm And 40 Mm, Material Tool Steel To Is:3748/90, Hardness-50 /55 Hrc & Supply With Calibration Certificate And Warranty As Per Irs Terms And Condition. Warranty Period: 3 0 Months After The Date Of Delivery