Nine9 NC Spot Drill Indexable Spotting Inserts 90° - N9MT1704 Choose Type:N9MT1704CT-NC2071

Nine9 NC Spot Drill Indexable Spotting Inserts 90° - N9MT1704 Choose Type:N9MT1704CT-NC207190 degree indexable spot drill insert, Dmax. 22mm. NC5071: High positive geometry, fully ground cutting edge and relief angle. For high alloy steel and cast iron. Each insert has 2 cutting edges. NC9036: For non ferrous material such as aluminum, acrylic, brass, copper, titanium and long cutting chip materials. High positive geometry and sharp edge produces excellent surface fi nish. Each insert has 2 cutting edges. NC2071: For carbon steel, low alloy

• Special geometry with supporting edges for high speed machining

• Benefiting from the specially ground dual-relief insert and optimized coating

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It includes three driving ports (not the torque adapters)

Unique helical groove design generates chip-removing coolant stream

It can apply on electric screwdriver with the speed limit is under 250 r

• Not for loosening

on milling machines

NC2032:  • For all kinds of steel from < 40 HRC

• Made from tool steel

A must for accurate torque screw tightening

good chip breaking condition and long tool life