Description

Multi-hole reference standard. Contains 29 holes; 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 13/32″, 7/16″, 15/32″, 1/2″, 17/32″, 9/16″, 19/32″, 5/8″, 21/32″, 11/16″, 23/32″, 3/4″, 25/32″, 13/16″, 27/32″, 7/8″, 29/32″, 15/16″, 31/32″, 1.0″ inch. Each hole contains 0.030 x 0.030 x .005″ (+/-.002) corner EDM notch. Three Surface EDM Notches, 1.0″ long: 0.010+0/-0.002, 0.010+0/-0.002, 0.020 ± 0.002. Material: 301 1/2 Hard Stainless Steel Includes Test Report Traceable to NIST and Certificate of Conformance.