Features:
-Precision spanner wrench, for professionals and hobbyists demanding ease of operation and high quality work results.
-For ER Lathe Clamping Nut, Clamping Nut CNC Milling Lathe Collet Chuck, spring clamping nut CNC tool holder, fits for most tool holders.
-Harden, wearproof, and durable, built in self-Release design and tools will never get stuck in holder
Specification:
Material: high quality cast steel
Hardness: high frequency heat treatment quenching 44-48HRC
Performance: The clamping nut is directly tightened and has high rigidity, which is convenient for engraving machine, computer boring machine, spindle machine, extension rod, clamping nut rotation
Package:
1* ER16UM/ER20UM/ER25M/ER32UM/ER40UM/ER50UM Collet Chuck Wrench