Shrink chuck 4,5° SK 40 - 04 - 80Application: 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

Flute geometry with special design

Standard type without safety clutch

For internal machining with boring bars

Mainly for external machining

For drifting of tools with taper shanks DIN 228-1 B

For d = 60 only with four fi xation screws according to DIN 912

Collets sealed for high pressure cooling 120 bar with IC DIN 6499 B (ISO 15488 B) ER-system

Designed to provide precise angular measurements

JIS B 6339 and DIN 2080

Vernier: 5

Positive clamping due to penetration of the hardened claw tips

Coolant pressure up to max