Measure diameter of internal grooves (width of groove _3mm)
Anvil is needed
Optional accessory:0.01mm or 0.001mm graduation dial indicators, setting ring
Related products
Measuring/ Inspection Instruments
Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
$83.88
Measuring/ Inspection Instruments
Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070″), 6928640330162
$35.18
Measuring/ Inspection Instruments
Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
$24.78
Measuring/ Inspection Instruments
$1,184.47

Insize 4635-1C28, WHITWORTH PIPE THREAD RING GAGE(G SERIES), G 1/8 - 28_ GO, 6928640375330
3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100
3M 26046, PPS Series 2.0 Adapter, Type S15, 3/8 Male, 19 Thread BSP, 7100135334 