Combined threading tool gauge for ACME 14-1/2" and angular threads 47-1/2", 55, 60 Degree It is Used For Checking Tool Angles Acme Thread BA Thread. While Machining Threads In Metal Turning Lathes Graduation in both British and Metric System, Metric , American National
Combined threading tool gauge for ACME 14-1/2" and angular threads 47-1/2", 55, 60 Degree It is Used For Checking Tool Angles Acme Thread BA Thread
Acme Thread BA Thread. While Machining Threads In Metal Turning Lathes Graduation in both British and Metric System, Metric , American National
Made of Stainless Steel, machined and ground to close tolerances.
Decimal equivalents are permanently etched on the face.