Morse сверло 27.5mm ø27.5mm HSS

L1: 291mm, L2: 170mm, morse taper no. 3, drilling depth: 6 x ø, point angle 118°, helix angle 20-30°, tolerance h8
HSS
DIN345, ground, highly efficient стандарт drill w. Morse taper, for steel ˂900N/mm² , cast steel and cast iron - alloyed and unalloyed, highly secure against fracture, cut chisel edge, length of the chisel edge is reduced to 1/10 of the diameter: good centring when starting to drill, fewer pressure required
ø27.5mm