Shrink chuck 4,5° BT 40 - 06 - 120Application: For mounting tools with straight shanks. Note: Toolholders suitable for induction , contact and hot air shrink units. 3, 4, 5 with h4 tolerance and 6 32 with h6 tolerance For 3, 4 and 5 mm only solid carbide tool shanks must be used! 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

For sealing tools with internal cooling in collet chucks

Surface roughness Ra < 0

- 100µ stainless steel mesh filter

without reduction

Measuring contact points are designed to allow measurements near to the bottom of blind holes

For the coolant supply through the centre of HSK toolholders

Bearing edge ground

With securing screws and Tee-nuts

Extremely strong holding force (increases the holding power by at least 60% compared to standard ER chuck)

For mounting milling cutters with transversal groove

One turning toolholder - four possibilities:

With retaining screw