HSK 63F ER25 Long for longer reach than a standard size tool holder. Using a longer tool holder reduces the flexing and resulting vibration from a longer tool. Also, the ability to use a shorter tool in a longer tool holder makes for a more rigid set up which produces a better surface finish.

HSK 63F ER25 Long Style Specifications:

Collet Size: ER25 (comes with mini nut)

Material: Through hardened alloy steel. Precision ground surfaces.

Manufacturer: Made in Italy.

Recommended Torque: 29 ft/lbs 

Balance Grade: G2.5 @ 24,000 rpm

Dimensions (mm): L: 100     L1: 90    D: 35 (mini nut)     D1: 63