Test arbor BT 40 - 40 - 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

Measures external groves and recessed hub dimensions

200 x 63 x 18

Entirely hardened and grinded on the inside and outside

for mounting on a wall

Synchro tapping chucks compensate synchronisation errors

Execution:

Spray nozzle can be closed

Thread configuration with a special design

Tool steel

automatically inversion of measuring direction

Coolant pressure up to 100 bar

For mounting straight-shank tools with internal coolant