3M 64802, Scotch-Brite EXL Unitized Mounted Point, B52 x 1/8 in 8S FIN, 3M 7100068025 
Insize 2235-4E, INTERNAL THREAD PITCH MEASURING INSTRUMENT, 0.5-4″/12.7-101.6mm, 6928640384639
$1,919.53
Dial indicator graduation .0005″
Accuracy .0008″
Measure the pitch of internal thread with nominal diameter larger than 1 1/2″(38.1mm) and less than 5 1/2″(139.7mm)
Optional accessory: ball points, standard pitch blocks
Related products
Measuring/ Inspection Instruments
Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
$24.84