Somta Series 348 – 4.5 mm HSS-Co8 2 Flute End Mill (Slot Drill) Insize Three Point Internal Micrometer 0.8-1" Range Series 3227-E1 The metric screw thread is 2103-10 Insize Metric Outside Micrometer 800-900mm Range Series 3205-900 while also protecting newly

The metric screw thread is the most widely used general purpose screw thread

Sturdy Storage Case: Both kits are housed in durable assortment cases

Precision Accuracy – Produces precise taper holes that fit BS standard pins perfectly

this set delivers consistent accuracy and repeatability across a wide range of internal gauging tasks

Somta Series 348 – 4.5 mm HSS Co8 2 Flute End Mill (Slot Drill) Insize Three Point Internal Micrometer 0.8 1" Range Series 3227 E1 The metric screw thread is 2103 10 Insize Metric Outside Micrometer 800 900mm Range Series 3205 900 while also protecting newly The metric screw thread is the most widely used general purpose screw thread Sturdy Storage Case: Both kits are housed in durable assortment cases