1/2.20 UNF Thread Caliper Gauge Go / NoGo 1/2x20
Specification Knife edge thread calipers go & nogo conform to 2A. Part Number ES-4164Visit the JLS Supplies Ltd website for more information on 1/2.20 UNF Thread Caliper Gauge Go / NoGo 1/2x20
Visit the JLS Supplies Ltd website for more information on 1/2.20 UNF Thread Caliper Gauge Go / NoGo 1/2x20