PN 221255 - DIN 8375

PN 221255

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

 HSS
DIN 8375

  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 M5 ÷ M20
λ = 25° ÷ 30° ε = 118°/90°
Manufacturing Mode:  V, F Surface Treatment: Grinding Mode: Form A

ØD= 9,5÷11,4  
MORSE 1		 ØD= 15,4÷22,5  
MORSE 2		 ØD= 25,0÷28,0  
MORSE 3		 ØD= 33,0÷37,0  
MORSE 4



Glossary:   Ø D= Body diameter     Ø d= Drill diameter     L= Overall Length   l1= délka osazení
Ordering
Code		 Ø D
mm		 Ø d
mm		 L
mm		 l
mm		 l1
mm		 Pro
závit		 Packing
pce		 Weight
kg/pce
K550950F000S 9,5 5,3 162 81 13 M5 1 ks 0,077
K551140F000S 11,4 6,4 175 94 15 M6 1 ks 0,103
K551540F000S 15,4 8,4 218 120 19 M8 1 ks 0,18
K551850F000S 18,5 10,5 233 135 23 M10 1 ks 0,314
K552250F000S 22,5 13,0 253 155 27 M12 1 ks 0,56
K552500F000S (25,0) (15,0) 281 160 31 (M14) 1 ks 0,715
K552800F000S 28,0 17,0 291 170 35 M16 1 ks 0,82
K553300F000S (33,0) (19,0) 334 185 39 (M18) 1 ks 1,195
K553700F000S 37,0 21,0 344 195 43 M20 1 ks 1,71
Order example:  K550950F000S     5 pcs