ATORN Surface chuck SK40 (DIN2080) diameter 20 mm A63 mm

Application

For clamping tools with straight shank and clamping surface in accordance with DIN 1835 B.

Execution

• Alloyed case-hardening steel, core tensile strength at least 950 N/mm²
• Case-hardened HRc 60 ± 2 (HV 700 ± 50), hardness depth 0.8 mm ± 0.2 mm
• Taper angle tolerance quality < AT3 in accordance with DIN 7187 and DIN 2080
• Max. concentricity < 0.005 mm
• With ring groove and plastic edge protection ring on the pull stud
• Functional surfaces precision-ground, all other surfaces black-oxide
• With Balluff chip hole

Advantage

• Precision cross-hatch pattern on the contact surface for maximum accuracy

Notes

The steep taper in accordance with DIN 2080 is used for conventional milling machines with manual tool changes and for drills. The tension is applied via the ring groove pin with internal clamping thread.

Delivery

1x surface chuck (Weldon) (DIN2080)