Insize American Standard Thread Plug Gage No. 1-64UNF Class 2A Series 4131-1G2 Insize Thread GO Ring Gauge 1/4"-28 UNF Series 4121-1B2 Setting standard (included): 29" Somta Series 175 - HSS Reduced Shank (Electricians) Drill 17.5mm 1 2 flute length 4833-3
Yard notes & kiln story
Description
Insize American Standard Thread Plug Gage No. 1 64UNF Class 2A Series 4131 1G2 Insize Thread GO Ring Gauge 1 4" 28 UNF Series 4121 1B2 Setting standard (included): 29" Somta Series 175 HSS Reduced Shank (Electricians) Drill 17.5mm 1 2 flute length 4833 3 Setting standard (included): 29" this micrometer ensures consistent accuracy of 11µm