Omega Products ER40 Collet Coolant Sealed Ultra Precision - 10 Micron Run-Out - 5mm FMH FLH FHH S&E A&NF M&D with neck lengths available to

with neck lengths available to suit different cavity depths

5 mm diameter and 2 flute design

The hollow bore reduces side clearance friction

Made from durable carbide (ZE322 grade)

steel and other common metals

Omega Products ER40 Collet Coolant Sealed Ultra Precision - 10 Micron Run-Out - 5mm FMH FLH FHH S&E A&NF M&D with neck lengths available toThe Omega ER40 Collet with coolant seal is a precision tool accessory designed for milling, drilling, and other machining tasks that demand reliable coolant containment and tight tolerances. Its ideal for engineers, machinists, workshops, and hobbyists who need consistent performance under high pressure cooling while keeping cutting tools aligned and secure. Ultra precision run out (10 m): Delivers stable tool guidance at speed, helping achieve