Parallel shank twist drills, jobber series, type N, code VN10015, diameter 20 mm

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Parallel shank twist drills, jobber series, type N, code VN10015, diameter 20 mm

VN10015.2000 High-speed steel HSS Co5 DIN 338

D	l₁	l₂	Item code	On stock
20	205	140	VN10015.2000	Yes

Cutting conditions

Material	Strength	V_c	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	40	0,016	0,05	0,08	0,1	0,1	0,125	0,16	0,2	0,2
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	40	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	20	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	18	0,014	0,04	0,063	0,08	0,08	0,1	0,125	0,16	0,16
M.2 \| Corrosion- and acid-proof steels	750 - 850 N/mm²	14	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	16	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	35	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	30	0,018	0,063	0,1	0,125	0,125	0,16	0,2	0,25	0,25
N.4 \| Cooper-zinc alloys, cooper-tin alloys	≤ 850 N/mm²	35	0,014	0,04	0,063	0,08	0,08	0,1	0,125	0,16	0,16

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Normal profile of flute, normal core, point angle 118°. Drills made of HSS Co mildly strenghtened core, point angle 130°.

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Conical lip relief, split point, DIN 1412 form A

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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.

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Lead of helix 25° - 30°.