ATORN Cross-slot shell mill arbor SK30 diameter 22 mm A=40 mm

Application

Accommodates shell end mills and single-angle milling cutters with longitudinal groove in accordance with DIN 842.

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
• Functional surfaces precision-ground, all other surfaces black-oxide
• With Balluff chip hole
• With drive tangs, cross-head screw or socket head cap screw. For D = 60, only with four mounting screws in accordance with DIN 912.
• SK 30 without coolant-channel bores on the face

Advantage

• Precision cross-hatch pattern on the contact surface for maximum accuracy
• Internal cooling 80 bar maximum
• Easy to use and very precise
• Smoother milling operation
• Service life extended by 50%

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

1 piece transverse drive shell mill arbour (ISO 7388-1) incl. screws