Specification parameter list Specification 56*56*91mm Main material High-quality stainless steel 57-60 HRC Locking force 4000 Newtons Accessories included Stainless steel handle
ER56 small EDM manual chuck (with connecting rod) Repeat positioning accuracy ±0.002mm When the product leaves the factory, the accuracy has been adjusted and can be used directly when it arrives. 56 EDM manual chuck with connecting rod, mainly for electric sparks to temporarily deal with copper workers with ER electrode holders. They can be locked directly on the electrode correction head (Qianqiu frame), which is applicable and convenient.