-It has been through testing standards.
-Fully ground on many critical surface including pilots under the flange of retention knob for full contact between tool holder's taper end and retention knob
-Perfect tool that is useful,helpful and so practical.
-Fits for Haas for Cat 40 for CNC milling
-Wear resistance and long service life.
It meets standard industrial needs
Widely using in industries and it is exquisite workmanship.
Durable for long time using and so practical.
Taper: CAT 40
D1 Knob: 0.740"
D2 Neck: 0.490"
D3 Hole: N/A
D4 Pilot: 0.636"
L2 Shou to End: 0.640"
Knob Socket: RKW40
HRC : 58+/-2
5x Cat40 Pull Stud Retention Knob