Product Description:

• 1-1/4" CAT40 Shell End Mill Arbor with projection to 4".
• Design for CNC balanced at 25,000RPM @ G2.5 with run out of 0.0001"
• Made of Prime Quality alloy steel and hardened to HRC 60-62.

Product Features:

• Prime quality CAT40 Precision Side Lock End Mill Arbor.