DLC coating sp2 of the latest generation with low coefficient of friction results in outstanding chip clearance. For high-performance milling of aluminium materials. High alignment accuracy and roundness of the hole, thanks to 6 guide chamfers.
Size 1 - 1.5 with 4 guide chamfers.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122603.
Form HE: order with No. 122602 + 129100HE.
Standard: DIN 6537 L
Tolerance nominal ?: h7
Number of cutting edges Z: 2
Tolerance nominal ?: h7
recommended maximum drilling depth L2: 6.5 mm
Overall length L: 55 mm
Shank ? Ds: 4 mm
Feed f in aluminium short-chipping: 0.1 mm/rev.