Hand held pitch diameter gauge

High output device for confirming thread presence in nuts...

Indicating thread gage

Internal thread gage

Internal thread gage

Lead checking gage

Magnetic wire holding device

Measuring head for screw thread measuring machines

Mechanism for measuring distances especially thread diameters

Method and apparatus for gaging and joining pipe

Method and device for measuring workpieces having internal...

Method and means for gauging of threads

Method of gaging a pipe at multiple locations

Movable jaw measuring apparatus

Multi purpose thread ring gage

Pipe thread gauge

Pipe thread gauge

Pipe thread gauging tool

Positively expandable and retractable thread measuring gage

Process and arrangement for measuring tapered thread