For zero setting and accuracy inspections of calipers, inside micrometers, snap gauge, 3 point inside micrometers, bore gauges, and measuring equipment

Accuracy: According to DIN 2250 standards

Material: Hardened steel     Hardness: HRC 58-62

Roundness & Cylindricity: 0.001mm (2-50mm)   0.002mm (50-100mm)   0.003mm (100-200mm)   0.004mm (200-300mm)

Model No.	Range (mm)	Tolerance (size)	Model No.	Range (mm)	Tolerance (size)
RG-2-4	Φ2~4	±2μm	RG-111-120	Φ111~120	±5μm
RG-4-5	Φ4~5	±2μm	RG-121-130	Φ121~130	±5μm
RG-6-10	Φ6~10	±2μm	RG-131-140	Φ131~140	±5μm
RG-11-20	Φ11~20	±2μm	RG-141-150	Φ141~150	±5μm
RG-21-30	Φ21~30	±3μm	RG-151-160	Φ151~160	±6μm
RG-31-40	Φ31~40	±3μm	RG-161-170	Φ161~170	±6μm
RG-41-50	Φ41~50	±3μm	RG-171-180	Φ171~180	±6μm
RG-51-60	Φ51~60	±3μm	RG-181-190	Φ181~190	±6μm
RG-61-70	Φ61~70	±4μm	RG-191-200	Φ191~200	±6μm
RG-71-80	Φ71~80	±4μm	RG-201-225	Φ201~225	±7μm
RG-81-90	Φ81~90	±4μm	RG-226-250	Φ226~250	±7μm
RG-91-100	Φ91~100	±4μm	RG-251-275	Φ251~275	±7μm
RG-101-110	Φ101~110	±5μm	RG-276-300	Φ276~300	±7μm

* Requirement of specific size, material, type and accuracy provided by custom order

* With the calibration report of JCC (ISO / IEC 17025)