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Mitutoyo 63ETB055 | Rockwell Hardness Reference Block | 74 HRD, Steel, 60x60x16 mm
Part Number : 63ETB055
Item 63ETB055 is a Rockwell test block in steel, 60 x 60 x 16 mm, with a nominal hardness of 74 HRD. Calibration is by DAkkS to ISO 6508-3; the diamond cone loads it at 98.07 N (10 kgf) preliminary and 980.7 N (100 kgf) total force.
Key features
- 74 HRD: preliminary force 98.07 N (10 kgf), total force 980.7 N (100 kgf)
- 74 HRD block listed for use with HR-110MR HR-210MR HR-320MS HR-430MR HR-430MS HR-530 HR-610 HR-620
- Nominal hardness 74 HRD on a steel body, 60 x 60 x 16 mm
- 74 HRD block: DAkkS calibration (ISO 17025 accreditation) to ISO 6508-3
- Optional for the 74 HRD block: up to three calibrated test scales, ASTM E18 calibration and a lasered indentation grid
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