Technical data:
Nominal ⌀ DC:4 mm
Coating:TiAlN
Tool material:HSS Co 8
Standard:DIN 338
Tolerance nominal ⌀:h8
Point angle:135 degrees
Helix angle:35 degrees
Shank:Plain shank
Number of cutting edges Z:2
Through-coolant:no
recommended maximum drilling depth L2:37 mm
Flute length Lc:43 mm
Overall length L:75 mm
Shank ⌀ Ds:4 mm
Feed f in stainless steel > 900xa0N/mm2:0.03 mm rev.
Colour ring:blue
Type of product:Jobber drill
Version:
Extremely high heat resistance,very robust due to strong core.With point geometry shape C.
Recommendation:
Maximum drilling depth:L2 = LC – 1.5 × DC.