Carmex Threadmill Twin Insert Toolholder 30mm Cut. SR0030J21-2 PLUGLINE 150-300 mm Inflatable Blocking Plug – Heavy-Duty Pipe Sealing Solution To know what size the

To know what size the insert should be it refers to the last two digits in the code -  SER 3232 P22 meaning a 22ER insert

The cap at the end can be unscrewed to relieve back pressure buildup behind the plug

Size is 40mm initial which will screw down to 25mm

Achieve precise and consistent pipe threading with the SOMTA HSS BSP-G Tap 2" Taper

Dimensions: a: 16

Carmex Threadmill Twin Insert Toolholder 30mm Cut. SR0030J21-2 PLUGLINE 150-300 mm Inflatable Blocking Plug – Heavy-Duty Pipe Sealing Solution To know what size theMill Thread Toolholder SR0030J21 2, 30 mm, Twin Insert with Internal Coolant The SR0030J21 2 Mill Thread Toolholder is a high performance twin insert holder designed for efficient threading operations on CNC milling machines. With an internal coolant bore and a secure screw clamping system, this toolholder ensures optimal cutting performance and tool life during demanding machining tasks. Featuring a 30 mm cutting diameter and a 21 mm insert pocket