Somta Long Series Drill - HSS-E Parabolic Flute - 9.7mm M&D it meets BS 328/4 and

it meets BS 328/4 and ISO H5 tolerance (D = -0 +0

it supports cutters from M8 to M16

This approach reduces downtime and provides a dedicated tool tuned for precision finishing

and its 100 mm gauge length supports predictable setup and consistent tool projection

Somta Long Series Drill - HSS-E Parabolic Flute - 9.7mm M&D it meets BS 328/4 andThe Somta Long Series Drill HSS E Parabolic Flute, 9. 7 mm diameter, is engineered for deep hole drilling where precision and durability matter. Constructed from HSS E, it combines rugged wear resistance with excellent heat tolerance, making it a reliable choice for demanding metalworking tasks and thick materials. Key advantages that set this drill apart: Long reach with solid rigidity: The extended flute length provides superior access to deep