16 ER/IR 14W External/Internal Threading CRM carbide Insert pack of 10 Size:EXTERNAL 7mm 150mm (6in)173 x 100

7mm 150mm (6in)173 x 100 x 11mm 150 x 75mm1

Run out tolerance is maintained by grinding by the center to center and they have center hole both sides

check the Shank size 20 mm and 25 mm

Product Name: Dial IndicatorItem Number: 5121-1201Measuring Range:  0~3 mm Graduation:  ±0

the center's body should be gripped in a drill chuck or collet

16 ER/IR 14W External/Internal Threading CRM carbide Insert pack of 10 Size:EXTERNAL 7mm 150mm (6in)173 x 100SELECT EXTERNAL OR INTERNAL CAREFULLY. CRM EXTERNAL HAS A YELLOW BOX, AND INTERNAL HAS A BLUE BOX High profile accuracy. Parameters are mentioned on the box's back side suitable for mostly steel grades, stainless steel grades Prevents chip curling, thus less tool breakage.