ER-Collet chuck HSK 63 - 3/26 - 200 | ER 40Application: For mounting straight shank tools in collets. Delivery: With balanced clamping nut All holders are made of forged steel Specific, low warpage hardened Surface hardened HRC 58~60 Hardening depth 0,8mm~0,9mm Taper angle tolerance < AT 3 according to DIN 2080 Surface roughness Ra < 0,4 m Tensile strength in the core of min. 800 N mm after DIN All functional surfaces fine machined

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance1

- Double-clamping via two mobile and one fixed jaw

Delivery: without inserts

With ER-Mini-nut

5 with h4-tolerance and Ø 6 - Ø 32 with h6-tolerance

Taper angle tolerance < AT 3 according to DIN 2080

Through hole for internal cooling provided

For face machining

Direction & Accuracy : C

Construction: Hardened steel

Humidity : 0~90%

Hinged mounting device for toolholders