NC-spotting drills 90°
D l1 l2Item codeOn stock
34612VN50105.0300 Yes
45512VN50105.0400 Yes
56214VN50105.0500 Yes
66616VN50105.0600 Yes
87921VN50105.0800 Yes
108925VN50105.1000 Yes
1210230VN50105.1200 Yes
1410734VN50105.1400 Yes
1611538VN50105.1600 Yes
2013145VN50105.2000 Yes

Cutting conditions


Material

Strength
P.1 | Free-cutting steels, general construction steels≤ 600 N/mm²
P.2 | General construction steels, steel castings≤ 850 N/mm²
P.3 | Tool steels low alloyed≤ 1100 N/mm²
P.4 | Heat treatable steels≤ 900 N/mm²
M.1 | Corrosion- and acid-proof steels≤ 750 N/mm²
M.2 | Corrosion- and acid-proof steels750 - 850 N/mm²
M.3 | Corrosion- and acid-proof steels> 850 N/mm²
K.1 | Cast iron (≤ 240 HB)≤ 820 N/mm²
K.2 | Cast iron (> 240 HB)> 800 N/mm²
S.1 | Chrome-nickel alloys≤ 1500 N/mm²

Calculations of cutting conditions

Product attributes

Tool geometry

Tool geometry

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Lead of helix 20°.
Point angle 90°

Point angle 90°

Material HSS Co5

Material HSS Co5

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Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
Point shape - form N

Point shape - form N

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Conical lip relief, DIN 1412 form N.
Right helix

Right helix