Quick change tapping chuck SK 30 - M5-M22 - Gr.2Application: For the chucking of quick change adaptors for taps. Note: For machining centres with synchronous spindle. 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

For retaining screw DIN 6367

With wrench

- HRC 43-47

800 N/mm² after DIN

4021 x 20Cr13

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance3

with cooling channels

Taper angle tolerance < AT 3 according to DIN 2080

With adjustable spray nozzle and shim

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

20 mm only with reduction sleeve)

All functional surfaces fine machined