0.061" to 0.250" SPI #22-147-3, Class ZZ Pin Gage Set, 190 Pieces, 0.001" Steps, Minus Tolerance, w/ Case

A Class ZZ pin gage set from SPI (Swiss Precision Instruments), part number 22-147-3, covering a measurement range of 0.061 in. to 0.250 in. in 0.001 in. increments for a total of 190 individual pins. Tolerance is minus 0.0002 in. (M1 Minus), and each pin is hardened steel to RC 60–62 with a 10 microinch or better surface finish. Each pin is individually size-etched for easy identification and organizes in a red foam-lined molded plastic carrying case with labeled slots. The set is NIST traceable and registered to ISO 9001, and originally shipped with a Certificate of Accuracy. The case lid label identifies the set as M1 Minus, 190 pieces, size range 0.061 in. to 0.250 in., accuracy +0.0000 in. / 0.0002 in. SPI is a well-established brand in US precision metrology. The tray serial number visible on the foam insert is S/N:086356. Internal facility reference FMI-0627 is noted on the case label. Commonly used for hole size verification, slot width measurement, go/no-go gaging, and inter-hole distance calculation in machining, toolroom, and quality control environments. Overall pin length is 2 in. Pin count should be verified against the 190-piece tray layout prior to listing.

Stock # 0426-01388