Description:
Brand new precision ER11 N series spring collets set, made of high grade spring steel. Clamping force, clamping range, specifications complete, high precision. Widely used in wire, milling, boring, drilling, tapping, CNC, carving, spindle machine, such as processing work. Currently we have N, A two kinds of material. N series material refers to the domestic tungsten steel, material hardness in 88-89HRA (rockwell hardness scale A). A series of material is tungsten steel Taiwan Chun Bao , hardness 90-91HRA.
N Series
• N series is a kind of popular engraving tools adopts K10 micro grain solid carbide.
• Put out by our factory in the early days. With engraving measurement and outstanding sales achievements, its excellent quality and low price meet the engraving need of most customers.











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