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1. Material: Allyed case hardened steel, black-finished and precisely grinded
2. Hardness: HRC 56-58
3. Max. run out: <0.0002"
4. Carbon depth: 0.016" to 0.047"
5. Projection: 2-3/4" (70mm)
6. Collet chuck accepts all ER40 collet
1. CAT NO taper shank is in conformity with AT3 standard
2. Concentricity of the inner and outer cone: 0.0002"
3.ER collet chuck with the flexibility that can clamp drill, reamers, end mills snd taps.
4. Shank body standard: MAS 403 and B6339
5. Rear thread for pull stud is 5/8" - 11
6. Works on all CAT40 machines.
7. Surface blackening treatment.
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