End mils extralong, type NR, Weldon shank

125215E High-speed steel HSS Co5

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D k 10	d h 6	l₁	l₂	Z	Item code	On stock
10	10	110	60	4	125215E.100	Yes
12	12	137	80	4	125215E.120	Yes
14	12	137	80	4	125215E.140	Yes
16	16	160	100	4	125215E.160	Yes
18	16	160	100	4	125215E.180	Yes
20	20	191	125	4	125215E.200	Yes
22	20	191	125	5	125215E.220	Yes
25	25	216	140	5	125215E.250	Yes
28	25	216	140	5	125215E.280	Yes
30	25	216	140	5	125215E.300	Yes
32	32	260	180	6	125215E.320	Yes

Cutting conditions

Material	Strength	A_p	A_e	v_c	fz(mm/z) Ø 10	Ø 12	Ø 16	Ø 20	Ø 25	Ø 32
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	4xD	0,2xD	28	0.06	0.067	0.081	0.11	0.1495	0.161
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	4xD	0,2xD	23	0.06	0.067	0.081	0.11	0.1495	0.161
P.3 \| Tool steels low alloyed	≤ 1100 N/mm²	4xD	0,2xD	29	0.06	0.067	0.081	0.11	0.1495	0.161
P.4 \| Heat treatable steels	≤ 900 N/mm²	4xD	0,2xD	17	0.06	0.067	0.081	0.11	0.1495	0.161
P.5 \| Tool steels high alloyed	≤ 1100 N/mm²	4xD	0,2xD	12	0.06	0.067	0.081	0.11	0.1495	0.161
M.1 \| Corrosion- and acid-proof steels	≤ 750 N/mm²	4xD	0,2xD	17	0.06	0.067	0.081	0.11	0.1495	0.161
M.2 \| Corrosion- and acid-proof steels	750 - 850 N/mm²	4xD	0,2xD	15	0.06	0.067	0.081	0.11	0.1495	0.161
M.3 \| Corrosion- and acid-proof steels	> 850 N/mm²	4xD	0,2xD	13	0.06	0.067	0.081	0.11	0.1495	0.161
K.1 \| Cast iron	< 240 HB	4xD	0,2xD	28	0.06	0.067	0.081	0.11	0.1495	0.161
N.4 \| Cooper-zinc alloys, cooper-tin alloys	≤ 850 N/mm²	4xD	0,2xD	32	0.06	0.067	0.081	0.11	0.1495	0.161
S.2 \| Titanium, Titanium alloys	≤ 1250 N/mm²	4xD	0,2xD	11	0.042	0.0469	0.0567	0.077	0.1047	0.1127

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Straight shank with clamping flat (Weldon) according to DIN 1835 B.

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For roughing operation and materials of lower and medium strength (up to 700 MPa), surface roughness Ra 12,5 and more.

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Helix angle = 30°. Rake angle = 12°.

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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.