This is a HSK A40 #M-4071-0046. This shank is designed to secure the probe into an HSK A+C 40 machine tool spindle. Shank gauge length 35.25 mm (1.388 inches), and it is suitable for OMP40 and OMP400 probes.
(M-4071-0046) HSK shank: shank specification DIN 69893 HSK form A+C 40
$530.00
M-4071-0046 | Machine Tool Probes| HSK shank: shank specification DIN 69893 HSK form A+C 40 | HSK A40 | Renishaw