Specifications:

• Designation: ER25-4MM AAA

• AAA grade high precision elastic chuck ER25, ER collet lock

• Diameter : 26mm
  

• Height : 34mm
  

• With nut : ER25UM

• Package Includes: A Chuck (not include With nut)

Features:

• Mn manganese-titanium hardened steel is made with precision, hardened, shock-resistant and durable  
• Good hardenability, can withstand multiple impacts, strong and durable, long life  
• The hollow knife groove of the collet is ground  
• The surface is nickel-plated, with high hardness and good wear resistance  
• The tail of the clamp is exquisitely made, and the outer circle and end surface are ground multiple times to achieve a mirror effect

ER25-4MM AAA Grade High-Precision Elastic Chuck | Durable and Shock-Resistant ER Collet Lock

ER25 High-Precision Chuck | Nickel-Plated, Long-Lasting, and Impact-Resistant for Precision Machining

Hardened Manganese-Titanium Steel with Mirror-Finish Tail for Superior Performance