Test arbor SK 50 - 50 - 300Application: 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

- Instruction manual

Hardened and grinded all around

Surface hardened HRC 58~60

without reduction

- After mounting

For parts with delicate clamping surfaces

8 carriers

For mounting straight-shank tools in collet chucks DIN 6391

clamping depth

Tool steel

- The steel body is hardened and grinded all-round

With retaining screw