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

internal diameters

Aufnahmen für Induktiv-

shank form UF

5 mm less than nominal

Left - right - forehead - overhead

The spring-mounted spherical tip protects the unit from damage if contact is too strong

With internal cooling

which can cause high frictional forces on the thread flanks

All functional surfaces fine machined

DCONWS = 6 to 18 with two coolant channels

With retaining screw

Suitable for: