Micro drill bit SC, DIN 1899, with cylindrical shaft

Name: Micro drill bit SC, DIN 1899, with cylindrical shaft
Brand: Würth
SKU: 5443002789

Micro drill bit SC DIN 1899 type N HA
DRL-MICR-DIN1899-IS-SC-D1,2MM

Art.-no. 5443002789

EAN 4055375885284

All versions

Price for selected packaging unit

Micro drill bit SC, DIN 1899, with cylindrical shaft

Art.-no. 5443002789

Price for selected packaging unit

Quantity

x 1 pcs

Exclusively for trade customers

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Specification

Particularly suitable for drilling in high-strength steels, chromium-nickel steels, chilled cast iron, grey cast iron, cast steel, manganese high carbon steel, bronze, aluminium with high silicon content and other difficult-to-machine materials.

Technical information


Product code	6035
Material to be processed	Steel, Cast metal, Stainless steel, Copper, Brass, Plastic
Diameter (d1)	1.2 mm
Length (l1)	25 mm
Chip flute length (l2)	10.0 mm
Shank diameter (d2)	1.5 mm
Number of cutting edges	2 PCS
Shank style	Cylindrical DIN 6535-HA
Standards	DIN 1899
Cutting material	SC
Angle of the tip	130 Degree
Surface	Plain
Tolerance of cutting edge diameter	h7
Tolerance of shank diameter	h6

Cutting values for solid carbide drill bits, uncoated
For dia. 0.3 - 1.4
Material designation	Tensile strength	Cooling	v_c		f
			from	to	Dia. 0.3-0.9	Dia. 1-1.4
General structural steels	< 500 N/mm²	E	60	75	0,020	0,040
General structural steels	500-850 N/mm²	E	60	75	0,020	0,040
Carbon steels	< 850 N/mm²	E	60	75	0,020	0,040
Carbon steels	850-1000 N/mm²	E	55	65	0,020	0,040
Unalloyed heat-treated steels	< 700 N/mm²	E	60	75	0,020	0,040
	700-850 N/mm²	E	60	75	0,020	0,040
	850-1000 N/mm²	E	55	65	0,010	0,030
Alloyed heat-treated steels	850-1000 N/mm²	E	55	65	0,010	0,030
Alloyed heat-treated steels	1000-1200 N/mm²	E	50	60	0,010	0,030
Unalloyed case-hardening steels	< 750 N/mm²	E	60	75	0,010	0,030
Alloyed case-hardening steels	< 1000 N/mm²	E	55	65	0,010	0,030
Alloyed case-hardening steels	1000-1200 N/mm²	E	50	60	0,010	0,030
Nitriding steels	< 1000 N/mm²	E	55	65	0,010	0,030
Nitriding steels	1000-1200 N/mm²	E	50	60	0,010	0,030
Tool steels	< 850 N/mm²	E	55	65	0,010	0,030
	850-1100 N/mm²	E	50	60	0,010	0,030
	1100-1400 N/mm²	E	30	40	0,010	0,030
High-speed steels	850-1200 N/mm²	E	30	40	0,010	0,030
Wear-resistant constructional steel	1350 N/mm²	E	20	35	0,010	0,030
Spring steels	< 1200 N/mm²	E	20	35	0,010	0,030
Stainless steels, sulphurated	< 700 N/mm²	E	30	40	0,010	0,030
Stainless steels, austenitic	< 700 N/mm²	E	30	40	0,010	0,030
Stainless steels, austenitic	< 850 N/mm²	E	25	35	0,010	0,030
Stainless steels, martensitic	< 1100 N/mm²	E	25	35	0,010	0,030
Special alloys	< 1200 N/mm²	E	15	25	0,010	0,030
Cast iron	< 180 HB	T/E	70	100	0,010	0,030
Cast iron	> 180 HB	T/E	70	100	0,010	0,030
Nodular graphite, malleable iron	> 180 HB	E	65	75	0,010	0,030
Nodular graphite, malleable iron	> 260 HB	E	65	75	0,010	0,030
Aluminium, aluminium alloys	< 530 N/mm²	E	150	220	0,020	0,040
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	100	180	0,020	0,040
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	100	180	0,020	0,040
Magnesium, magnesium alloys	< 280 N/mm²	E	150	220	0,020	0,040
Copper, low-alloy	< 350 N/mm²	E	100	180	0,020	0,040
Brass, short-chipping	< 600 N/mm²	E	100	180	0,020	0,040
Brass, long-chipping	< 600 N/mm²	E	100	180	0,020	0,040
Bronze, short-chipping	< 600 N/mm²	E	100	180	0,020	0,040
Bronze, short-chipping	650-850 N/mm²	E	100	180	0,020	0,040
Bronze, long-chipping	< 850 N/mm²	E	90	140	0,010	0,030
Bronze, long-chipping	850-1200 N/mm²	E	90	140	0,010	0,030
Graphite		T	70	100	0,010	0,030

Legend
E = emulsion
T = dry
v_c = cutting speed [m/min]
f = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.