Description
Insize Thread GO NOGO Plug Gauge 1 4" 20 UNC Series 4131 1B1 0.3 4mm Key Drill Chuck with JT0 3 8 straight shank arbor supplied Machining Methods: Flat Lapping Insize Thickness Gauge 0 10mm x 0.01mm Range Series 2364 10B 11210002000 Ceramic contact point for Machining Methods: Flat Lapping Thread Ring Gauge