PN 221252 - DIN 8376

PN 221252

Straight shank subland drills, for drilling clearence holes, 180°

HSS
DIN 8376

  Usability:  Subland drills with four lands are recommended for drilling of clearing holes and simultaneously counterboring in parts made of unalloyed or alloyed steel, cast steel up to 800 N/mm2, grey-, malleable- or nodular cast iron, Al-alloys etc. It is necessary to choose the lower cutting conditions for drilling than the guidelines for usual drilling declare.

Range:  Ø M4 ÷ M8
λ = 25° ÷ 30° ε = 118°/180°
Manufacturing Mode:  V, F Surface Treatment:  Grinding Mode: Form A


Comments:   L= Overall Length   l= Flute Length    l1= délka osazení
Ordering
Code
Ø D
mm
Ø d
mm
L
mm
l
mm
l1
mm
Velikost Packing
pce
Weight
kg/pce
K520800F000S 8,0 4,3 117 75 11 M4 1 pc 0,027
K521000F000S 10,0 5,3 133 87 13 M5 1 pc 0,052
K521100F000S 11,0 6,4 142 94 15 M6 1 pc 0,068
K521500F000S 15,0 8,4 169 114 19 M8 1 pc 0,137
Order example:  K521100F000S     5 pcs