Technical data:
Nominal ⌀ DC:18 mm
Coating:uncoated
Tool material:HSS
Standard:DIN 1870 R1
Type:FS
Tolerance nominal ⌀:h8
Point angle:130 degrees
Shank:Morse taper
Number of cutting edges Z:2
Through-coolant:no
recommended maximum drilling depth L2:218 mm
Flute length Lc:245 mm
Overall length L:370 mm
Morse taper MT size:2
Feed f in steel < 750xa0N/mm2:0.2 mm rev. Colour ring:without Type of product:Jobber drill Version: High concentricity.Large section parabolic flutes; strong due to strengthened core thickness (without core taper).≤ 16 mm ⌀: Bright finish flutes, nitrided lands; > 16 mm ⌀: Specially treated surface.Special sturdy drills for extremely deep holes. Up to approx. 15×⌀ without drill withdrawal.With point geometry shape A.
Recommendation:
Maximum drilling depth:L2 = LC – 1.5 × DC.
Note:
For suitable reducing adapters for tools with MT shanks see No. 343000-343530.