NT/ ST(DIN2080) ER Collet Chuck

Ultra accuracy NT/ ST(DIN2080) ER Collet Chuck

NT Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly NT30 NT40 NT50... Etc.. Mold industry, and high-speed engraving machine, used more.

NT type tool holder is tightened by pull rod on traditional machine.High Precision NT shank Tool Holder are nickel coated, anti-rust, anti-corrosion,and durability better. With DIN6499 collet chuck can be straight shank cutter clamping various sizes.

We are specializing in the production of NT ER Spring Collet Chuck, we can to figure to sample processing, and perfect after-sales service and technical support. Looking forward to your cooperation!

Features:

1. Material: 20CrMnTi or JIS-SCM415

2. Hardness: 56-60HRC;

3. Carburizing depth: ＞0.8；

4. Roughness： Ra＜0.4u；

5. Taper precision ≤AT3 and part of the standard size are tested by Diebold standard inspection tools which made in Germany;

6. Run out of the inside shank cone: ≤0.002mm；Coaxiality with collet : ≤ 0.005mm；

7. When ordering, please specify the screw thread with inch size or metric size.

Our advantages 

1. Good Rigidity

2. High accuracy stability of parts processing and surface processing dimension

3. Improving cutting tool using life

4. The wear of taper shank caused by vibration is reduced during heavy cutting

5. ATC repeats the operation with high accuracy

6. The appearance with nickel coating, the products are anti-rust, anti-corrosion and durability better.

4. Clean appearance and accuracy stable

5. -196℃ long cryogenic treatment and ultra long time thermal aging processing, reducing residual stresses and increasing the hardness and toughness.