Made of high quality material, durable
Full range of Type A ER sizes available: ER8A, ER11A, ER16A, ER20A.
Provide a full range of shank diameters: 8mm, 10mm, 12mm, 16mm, 20mm, 25mm.
The advanced vacuum quenching furnace can realize carbon-oxygen co-infiltration, increase the hardness of the cutter shaft, increase the service life, and tighten the clamping force.
Made of high quality alloy steel 40CrMnTi.
Hardness HRC 58-62.
Hardened and precision ground.
The extra long avoidance of the ER extension rod can bring the milling cutter into the deep cavity machining groove for machining.
Designed for ultra-high precision and high speed applications.

Specification:
Color: as picture shown
Material: alloy steel
Maximum speed: 30000rpm
Jump: about 0.01mm
Optional specifications: C8-ER8A, C10-ER8A, C10-ER11A, C12-ER8A, C12-ER11A, C12-ER16A, C16-ER11A, C16-ER16A, C16-ER20A, C20-ER11A, C20-ER16A, C20- ER20A, C25-ER16A, C25-ER20A

For example:
C16-ER20A-100L:
Straight handle size: 16mm
Chuck size: ER20A
Nut Type: Type A
Handle Length: 100mm

Package Included:

1 * Straight handle extension rod