NC-spotting drills long 90°, code VN51105, diameter 8 mm
D | l1 | l2 | Item code | On stock |
---|---|---|---|---|
8 | 140 | 25 | VN51105.0800 | Yes |
Cutting conditions
Material |
Strength |
Vc |
fz(mm/r) Ø1 |
Ø2 |
Ø3,15 |
Ø4 |
Ø5 |
Ø6,3 |
Ø8 |
Ø10 |
Ø12,5 |
---|---|---|---|---|---|---|---|---|---|---|---|
P.1 | Free-cutting steels, general construction steels | ≤ 600 N/mm² | 32 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
P.2 | General construction steels, steel castings | ≤ 850 N/mm² | 30 | 0,016 | 0,05 | 0,08 | 0,1 | 0,1 | 0,125 | 0,16 | 0,2 | 0,2 |
P.3 | Tool steels low alloyed | ≤ 1100 N/mm² | 25 | 0,016 | 0,05 | 0,08 | 0,1 | 0,1 | 0,125 | 0,16 | 0,2 | 0,2 |
P.4 | Heat treatable steels | ≤ 900 N/mm2 | 15 | 0,014 | 0,04 | 0,063 | 0,08 | 0,08 | 0,1 | 0,125 | 0,16 | 0,16 |
M.1 | Corrosion- and acid-proof steels | ≤ 750 N/mm² | 10 | 0,012 | 0,032 | 0,05 | 0,063 | 0,063 | 0,08 | 0,1 | 0,125 | 0,125 |
M.2 | Corrosion- and acid-proof steels | 750 - 850 N/mm² | 6 | 0,012 | 0,032 | 0,05 | 0,063 | 0,063 | 0,08 | 0,1 | 0,125 | 0,125 |
M.3 | Corrosion- and acid-proof steels | > 850 N/mm² | 8 | 0,012 | 0,032 | 0,05 | 0,063 | 0,063 | 0,08 | 0,1 | 0,125 | 0,125 |
K.1 | Cast iron (≤ 240 HB) | ≤ 820 N/mm² | 30 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
K.2 | Cast iron (> 240 HB) | > 800 N/mm² | 25 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
Product attributes
Lead of helix 20°.
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Point angle 90°
Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
Conical lip relief, DIN 1412 form N.
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