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4. Set of parallel shank twist drills - jobber series, type N, diameter 1,5-6,5 mm, 13 pcs

Set of parallel shank twist drills - jobber series, type N, diameter 1,5-6,5 mm, 13 pcs

VN10010.SET01 High-speed steel HSS DIN 338

Cutting conditions Product attributes Product description

New

Item code	On stock
VN10010.SET01.1	Yes

Content of set

Item code	D	l1	l2
VN10010.0150	1,5	40	18
VN10010.0200	2	49	24
VN10010.0250	2,5	57	30
VN10010.0300	3	61	33
VN10010.0330	3,3	65	36
VN10010.0350	3,5	70	39
VN10010.0400	4	75	43
VN10010.0420	4,2	75	43
VN10010.0450	4,5	80	47
VN10010.0500	5	86	52
VN10010.0550	5,5	93	57
VN10010.0600	6	93	57
VN10010.0650	6,5	101	63

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
K.1 | Cast iron	≤ 240 HB
K.2 | Cast iron	> 240 HB
N.1 | Aluminium, Aluminium cast alloys Si	Si ≤ 6%
N.2 | Aluminium cast alloys Si	Si ≤ 12%
N.3 | Aluminium cast alloys Si	Si > 12%
N.4 | Cooper-zinc alloys, cooper-tin alloys	≤ 800 N/mm²

Calculations of cutting conditions

Product attributes

Type N

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

Point shape - form N

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Conical lip relief, DIN 1412 form N.

Right helix

Tool geometry

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Lead of helix 25° - 30°.

Point angle 118°

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.