Shrink chuck 4,5° with cooling channels BT 40 - 12 - 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

Ø 6 – Ø 32 with h6-tolerance

Hardened and grinded all around

Bed height H: 0

Mirror polished surfaces

- With mechanical booster - Clamping force preadjustable by graduation lines

Ø 125 mm with locks

Angular accuracy = 10 arcmin

Suitable for internal coolant

20mm for over 500mm/20" range

in conjunction with „KEMMLER Precision collet chuck ER"

B showing the deviation of each block

Dual reading LCD display arc minutes / decimal degrees