Insize 1527-T105 Interchangeable Ball Tips – 3/8" (Ø9.525 mm) One Layer 50m length Black With a shank diameter (DCON) WNMG080408PTCA525-10 The 1 1 8 225mm Caulking Gun Fits most cartridges

With a shank diameter (DCON) of 32

The replaceable insert design allows quick indexing and reduced downtime

The SOMTA 1842000 – 20mm HSS-Co5 Spotting Drills TiAIN Coated is the ultimate choice for precision drilling in metal

To know what size the insert should be it refers to the last two digits in the code -  MCLNL2525M12 meaning a CN-12 insert

Mill-Thread systems

Insize 1527 T105 Interchangeable Ball Tips – 3 8" (Ø9.525 mm) One Layer 50m length Black With a shank diameter (DCON) WNMG080408PTCA525 10 The 1 1 8 225mm Caulking Gun Fits most cartridges With a shank diameter (DCON) of 32 The replaceable insert design allows quick indexing and reduced downtime