ER collet is one kind of the Spring Collet and it is usually to be used with Nc shank. As a speciallized manufacturer of ER collets, QuFu ChongDe Precision Machinery Co.,Ltd has many years mature experience on how to make ER collets.We choose the high grade spring steel-65 Mn as the material,so we can ensure the quality. The product hardness is HRC44-48 and the precision is 5ν and 8ν, With unique process methods, the product appearance looks nice and the stability is strong. The product quality has reached Germany standard DIN6499B. So they can be widely used on the precision machine with high speed, high precision, strong stability and good balance.

     QuFu ChongDe Precision Machinery Co., Ltd can provide various kinds of ER collet,