PN 221254 - DIN 8374

PN 221254

Straight shank subland drills, for drilling clearence holes, 90°

 HSS
DIN 8374

  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°/90°
Manufacturing Mode:  V, F Surface Treatment:  Grinding Mode: Form A


Glossary:   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
K540780F000S 7,8 4,3 117 75 11 M4 1 pce 0,025
K5400950F000S 9,5 5,3 125 81 13 M5 1 pce 0,04
K5401140F000S 11,4 6,4 142 94 15 M6 1 pce 0,07
K5401540F000S 15,4 8,4 178 120 19 M8 1 pce 0,15
Order example:  K5400950F000S     2 pcs