Quick change tapping chuck BT 30 - M3-M14 - Gr.1Application: For the chucking of quick change adaptors for taps. 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

002mm or 0

Hardening depth 0

Mainly for external machining

4021 x 20Cr13

With ER-Mini-nut

For all solid drills with cylindrical shank according to DIN 6595

with adjustable ball spray nozzles

Rotationsrichtung: Uhrzeigersinn

rack and handles

corresponding to the sizes of the threads

Made of precision ground hardened stainless steel

Zero-setting at any position for incremental measurement