Shrink chuck 4,5° BT 30 - 05 - 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

For internal machining with boring bars

For retaining screw DIN 6367

For sealing tools with internal cooling in collet chucks

For mounting straight-shank tools in collets

800 N/mm² after DIN

DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia

driving ring and feather key

For mounting straight-shank tools in collet chucks DIN 6391

For mounting solid drills with cylindrical shank according to DIN 6595

- Higher repeat-accuracy

For machining centres with synchronous spindle

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance