ATORN combination shell end mill arbour SK50 (DIN 2080) dia. 40 mm A=55 mm

Application

For holding milling cutters with longitudinal or transverse groove according to DIN 842/1880 and milling heads according to DIN 1830.

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
• Rings for mill arbors, no. 23135-23142

Advantage

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

Delivery

1x SK30, SK40 or SK50 combination shell end mill arbour (DIN 2080); incl. retaining screw, key and drive ring