SPI Pin Gage Set 22-147-3 0.061 In. to 0.250 In. 0.001 In. Step Increments
SPI Pin Gage Set 22-147-3 0.061 In. to 0.250 In. 0.001 In. Step Increments
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The SPI 22-147-3 is a 190-piece Class ZZ Minus pin gage set covering a range of 0.061 to 0.250 inch in 0.001 inch increments. Manufactured by Swiss Precision Instruments (SPI) and registered to ISO 9001, the set carries a minus tolerance of 0.0002 inch per NIST-traceable calibration. Each pin is fabricated from hardened drill rod heat treated to RC 60-62 hardness, ground to a 10 microinch finish or better, and individually marked with its nominal size and tolerance direction. The set is supplied with a certificate of accuracy in the included molded plastic carrying case. Serial number 1000869 is visible on the certificate of accuracy shown inside the case. The case exterior is labeled "M1 Minus 190 Piece," with the operator label "FMI-1114" and a "Verify Before Use" sticker applied. Pin gages of this type are used for hole size verification, slot width inspection, Go/No-Go gaging, and inter-hole distance measurement in precision machining, toolroom, and quality control environments. The range of 0.061 to 0.250 inch covers a high-demand span for common drilled and reamed hole sizes encountered in production and inspection work. SPI is an established US metrology brand with broad distribution through major MRO channels including MSC Industrial Supply and Penn Tool Co.
Stock # 0426-01387
