Shrink chuck 4,5° BT 30 - 18 - 90Application: 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

High holding forces: increase by a factor of 3 to 5 compared to standard jaws

B4 - 25 x 16 x 30

For sealing tools with internal cooling in collet chucks

Excellent performance on various work material: Stainless steel

For internal machining with boring bars

The collet clamping Ø range is always up to 0

clamping depth = -

for KEMMLER precision collet chuck ER

Without wrench

For mounting screw-in cutters with thread

right angularity: 0

Suitable for: