SCHUNK universal chuck HSK 63A 20 mm SINO-R

Application

For clamping drill bits and milling tools with straight shank.

Execution

• For heavy-duty machining.
• Required for internal cooling supply coolant transfer pipe no. 23715.
• Innovative expansion technology.
• For h6 tool tolerance.
• Reducing sleeves no. 23336, hook wrench no. 23349 and bush extractor no. 23348.
• Axial longitudinal adjustment with repeatability of ± 0.005 mm.
• For clamping shanks to DIN 1835 A+B and DIN 1835 E (Whistle Notch).
• Concentricity tolerance 0.005 mm, measured in clamping hole.
• Highly precise and centric clamping.

Advantage

• Excellent damping properties.
• Maximum clamping force 450 Nm/dia. 20 mm, expansion sleeve made of high-end elastomer specially reinforced for heavy-duty machining, additional brass cover sleeve for maximum torque, suitable for rough cutting and copy milling.
• Extends service life of machine spindles.
• Extends tool service life.
• Suitable for high rotation speeds.

Delivery

1x SINO-R hydraulic expansion chuck in accordance with ISO 12164 (DIN 69893); incl. hexagon key.