Technical data:
Nominal ⌀ DC:42 mm
Coating:uncoated
Tool material:HSS
Standard:DIN 345
Type:N
Tolerance nominal ⌀:h8
Point angle:118 degrees
Helix angle:20-30 degrees
Shank:Morse taper
Number of cutting edges Z:2
Through-coolant:no
recommended maximum drilling depth L2:142 mm
Flute length Lc:205 mm
Overall length L:354 mm
Morse taper MT size:4
Feed f in steel < 750xa0N/mm2:0.32 mm rev. Colour ring:without Type of product:Jobber drill Version: Special surface treatment, resulting in reduced tendency to edge build-up and improved chip evacuation. Recommendation: Maximum drilling depth:L2 = LC - 1.5 × DC. Note: For suitable reducing adapters for tools with MT shanks see No. 343000-343530.