Shrink chuck 3° HSK 63 - 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

With built-in tightening bolt

With clamping screws

B4 - 25 x 16 x 30

Delivery: without inserts

- Rustproof

With bolted corpus

is prevented from attaching itself by vacuum

For mounting straight-shank tools in collet chucks DIN 6391

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

For mounting solid drills with cylindrical shank according to DIN 6595

lockable in different positions

A possible increase of axial force during the tapping process is reduced to a minimum