Master Setting Disc : Range 3 -200 mm

Used for setting of measuring instruments like horizontal comparators, length measuring machines for OD checking.
Made from oil hardened non shrinking gauge steel, hardened and tempered to 60-62 HRC
Sub-zero treated at -80 °C for long term dimensional stability
Actual dimensions duly etched
Calibrated at 20 °C under standards room conditions against national/international traceable standards
Certificate of calibration is provided along with each master traceable to national/international standards
Certificate under NABL (as per ISO 17025) as per request
Manufactured as per ASME B47.1 (blank design) & ASME B89.1.5 (for form tolerance class X , size tolerance class Y & surface finish class XXX)

ØD ABOVE	ØD UPTO & INC.	A	C	R	ØS
3.0	3.81	9.52	17.46	11.1	2.4
3.81	5.84	11.11	19.05	11.1	3.2
5.84	9.27	12.7	20.64	11.1	5.6

ØD ABOVE	ØD UPTO & INC.	A	C	R	ØS
9.27	12.95	14.29	22.22	12.7	8.7
12.95	20.96	15.88	23.81	12.7	12.7
20.96	28.83	17.46	25.4	15.9	19
28.83	38.35	20.64	28.58	15.9	25.4

ØD ABOVE	ØD UPTO & INC.	B	ØA	L
38.35	51.05	22.2	31.8	15.8
51.05	63.75	22.2	31.8	15.8
63.75	76.45	25.4	38.1	39.8
76.45	89.15	25.4	38.1	39.8
89.15	101.85	25.4	38.1	39.8
101.85	114.55	25.4	38.1	39.8
114.55	127.25	25.4	38.1	39.8
127.25	139.95	25.4	38.1	39.8
139.95	152.65	25.4	38.1	39.8
152.65	165.35	25.4	38.1	39.8
165.35	178.05	25.4	38.1	39.8
178.05	190.75	25.4	38.1	39.8
190.75	200.00	25.4	38.1	39.8

Above 200 upto 300 mm on request