Test arbor HSK 63 - 40 - 346Application: For the inspection of machine tools according to ISO recommendation R230 or for testing the tool spindle. Delivery with test certificate 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

To increase the specific contact pressure per unit area

For sealing tools with internal cooling in collet chucks

- HRC 43-47

Calibration certificate

102 x 38 x 15

Clamping range h6 (nominal size only)

so the system is suitable for through-coolant feed

With balanced clamping nut All holders are made of forged steel

For use on static and driven toolholders via threaded connector

Body made of high strength and anodized aluminum

HSS-Co5 Twist drill DIN338 d=6

Excellent concentricity in the system (chuck + collet + clamping nut)