Boring bar holder HSK 63-08-90 ISO 12164-3 HSK-TApplication: For internal machining with boring bars. Version: Clamping possible on both sides, with adjustable ball spray nozzles, closable for tools with internal coolant supply. Delivery: With clamping screws, without the illustrated cutting tools

To increase the specific contact pressure per unit area

Excellent performance on various work material: Stainless steel

For safe clamping of taps in end mill holders according to DIN 1835 B

Surface hardened HRC 58~60

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance5

4 and 5 mm only solid carbide tool shanks must be used

System concentricity and repetition accuracy 3 µm (3×D

05mm / 1/128"

Coolant nozzles lockable

DIN 1835 form A+B+E and DIN 6535 form HB+HE (larger than Ø 20 mm only with reduction sleeve)

For face machining

For mounting drill chucks