End mill holder Weldon SK 40 - 18 - 63Application: For mounting straight shank tools with lateral flat according to DIN 1835 form B (Weldon). Delivery: With clamping screw 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

With drivers

7 x 53 x 15

For the inspection of machine tools according to ISO recommendation R230 or for testing the tool spindle

With ER-Mini-nut

because only the shaft diameters and the squares must fit

For gauge-accurate working and controlling of surfaces and squares up to 46°

Contact surface precision grinded

Humidity : 0~90%

In NC machines (machines without automatic tool changers)

closable for tools with internal coolant supply

clamping depth = 50

With retaining screw