Shrink chuck 4,5° SK 50 - 20 - 200Application: 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

With ball bearing clamping nut All holders are made of forged steel

Delivery with test certificate All holders are made of forged steel

For parts with delicate clamping surfaces

System concentricity and repetition accuracy 3 µm (3×D

Minimum internal diameter measurement capability of:

6 µm radial run-out with a 5 µm clamping nut

Reading parts dull chromed

contact- and hot air shrink units

Minimal length compensation on compression and expansion balances very small pitch differences between synchro spindle and tap

DCONWS = 20 to 40 with four coolant channels

Wherever reduced interference contours are required

Adapter / reduction / extension for polygonal hollow shank tapers