End mill holder Whistle-Notch BT 50 - 12 - 80Application: For mounting straight shank tools and inclined flat according to DIN 1835 form E (Whistle Notch). Delivery: With clamping screw and axial adjustment bolt 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

With clamping screws

For internal machining with boring bars

- HRC 43-47

E2= 20 pieces

For d = 60 only with four fi xation screws according to DIN 912

Collets sealed for high pressure cooling 120 bar

For longitudinal and plane turning

With bolted corpus

the coolant tube can be moved only to a minimum degree according to DIN (±1°)

For face machining

clamping depth

- Longer-lived than standard collets