Solid carbide short twist drill bit DIN 6539 - DRL-TWST-MET-DIN6539N-SC-D0,9MM

Solid carbide short twist drill bit DIN 6539

Name: Solid carbide short twist drill bit DIN 6539
Brand: Würth
SKU: 5443000005

Twist drill solid carbide DIN6539-K 3xD type N
DRL-TWST-MET-DIN6539N-SC-D0,9MM

Art.-no. 5443000005

EAN 4055375886694

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Solid carbide short twist drill bit DIN 6539

Art.-no. 5443000005

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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.

Notice ≤ dia. 2.9 mm - 4 cutting edges
≥ dia. 3.0 mm - 6 cutting edges

Product information

Würth Catalogue

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Certificates/ Documents


Product code	6146
Material to be processed	Steel Titanium Copper Brass Aluminium Plastic
Standards	DIN 6539
Design	Short
Surface	Plain
Max. drilling depth (D)	3xD
Cutting material	SC
Angle of the tip	118 Degree
Number of cutting edges	2 PCS
Coolant supply	External
Diameter (d1)	0.9 mm
Shank style	Cylindrical
Length (l1)	26 mm
Chip flute length (l2)	6 mm
Tolerance of cutting edge diameter	h7
Shank diameter (d2)	0.9 mm
Tolerance of shank diameter	h5
Material of sub-group	General structural steels Non-alloyed tempering steels < 1000 N/mm² Titanium Titanium alloys Copper Brass Aluminium Plastics

Cutting values
For dia. 0.5-5.9
Material designation	Tensile strength	Cooling	v_c		f
			from	to	Dia. 0.5-0.9	Dia. 1-1.9	Dia. 2-2.9	Dia. 3-5.9
General structural steels	< 500 N/mm²	E	60	75	0,020	0,040	0,060	0,100
General structural steels	500-850 N/mm²	E	60	75	0,020	0,040	0,060	0,100
Carbon steels	< 850 N/mm²	E	60	75	0,020	0,040	0,060	0,100
Carbon steels	850-1000 N/mm²	E	55	65	0,020	0,040	0,060	0,100
Unalloyed heat-treated steels	< 700 N/mm²	E	60	75	0,020	0,040	0,060	0,100
	700-850 N/mm²	E	60	75	0,020	0,040	0,060	0,100
	850-1000 N/mm²	E	55	65	0,010	0,030	0,050	0,090
Alloyed heat-treated steels	850-1000 N/mm²	E	55	65	0,010	0,030	0,050	0,090
Alloyed heat-treated steels	1000-1200 N/mm²	E	50	60	0,010	0,030	0,050	0,090
Unalloyed case-hardening steels	< 750 N/mm²	E	60	75	0,010	0,030	0,050	0,090
Alloyed case-hardening steels	< 1000 N/mm²	E	55	65	0,010	0,030	0,050	0,090
Alloyed case-hardening steels	1000-1200 N/mm²	E	50	60	0,010	0,030	0,050	0,090
Nitriding steels	< 1000 N/mm²	E	55	65	0,010	0,030	0,050	0,080
Nitriding steels	1000-1200 N/mm²	E	50	60	0,010	0,030	0,050	0,080
Tool steels	< 850 N/mm²	E	55	65	0,010	0,030	0,050	0,080
	850-1100 N/mm²	E	50	60	0,010	0,030	0,050	0,080
	1100-1400 N/mm²	E	30	40	0,010	0,030	0,050	0,080
High-speed steels	850-1200 N/mm²	E	30	40	0,010	0,030	0,050	0,080
Wear-resistant constructional steel	1350 N/mm²	E	20	35	0,010	0,030	0,050	0,080
Spring steels	< 1200 N/mm²	E	20	35	0,010	0,030	0,050	0,080
Stainless steels, sulphurated	< 700 N/mm²	E	30	40	0,010	0,030	0,050	0,090
Stainless steels, austenitic	< 700 N/mm²	E	30	40	0,010	0,030	0,050	0,090
Stainless steels, austenitic	< 850 N/mm²	E	25	35	0,010	0,030	0,050	0,090
Stainless steels, martensitic	< 1100 N/mm²	E	25	35	0,010	0,030	0,050	0,090
Special alloys	< 1200 N/mm²	E	15	25	0,010	0,030	0,050	0,080
Cast iron	< 180 HB	T/E	70	100	0,010	0,030	0,050	0,090
Cast iron	> 180 HB	T/E	70	100	0,010	0,030	0,050	0,090
Nodular graphite, malleable iron	> 180 HB	E	65	75	0,010	0,030	0,050	0,090
Nodular graphite, malleable iron	> 260 HB	E	65	75	0,010	0,030	0,050	0,090
Titanium, titanium alloys	< 850 N/mm²	E	20	35	0,010	0,030	0,050	0,080
Aluminium, aluminium alloys	< 530 N/mm²	E	150	220	0,020	0,040	0,060	0,100
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Magnesium, magnesium alloys	< 280 N/mm²	E	150	220	0,020	0,040	0,060	0,100
Copper, low-alloy	< 350 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Brass, short-chipping	< 600 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Brass, long-chipping	< 600 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Bronze, short-chipping	< 600 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Bronze, short-chipping	650-850 N/mm²	E	100	180	0,020	0,040	0,060	0,100
Bronze, long-chipping	< 850 N/mm²	E	90	140	0,010	0,030	0,050	0,090
Bronze, long-chipping	850-1200 N/mm²	E	90	140	0,010	0,030	0,050	0,090
Graphite		T	70	100	0,010	0,030	0,050	0,090

Cutting values
For dia. 6-20
Material designation	Tensile strength	Cooling	v_c		f
Material designation			from	to	Dia. 6-8.9	Dia. 9-11.9	Dia. 12-15.9	Dia. 16-20
General structural steels	< 500 N/mm²	E	60	75	0,140	0,170	0,230	0,276
General structural steels	500-850 N/mm²	E	60	75	0,140	0,170	0,230	0,276
Carbon steels	< 850 N/mm²	E	60	75	0,140	0,170	0,230	0,276
Carbon steels	850-1000 N/mm²	E	55	65	0,140	0,170	0,230	0,276
Unalloyed heat-treated steels	< 700 N/mm²	E	60	75	0,140	0,170	0,230	0,276
	700-850 N/mm²	E	60	75	0,140	0,170	0,230	0,276
	850-1000 N/mm²	E	55	65	0,120	0,150	0,200	0,240
Alloyed heat-treated steels	850-1000 N/mm²	E	55	65	0,120	0,150	0,200	0,240
Alloyed heat-treated steels	1000-1200 N/mm²	E	50	60	0,120	0,150	0,200	0,240
Unalloyed case-hardening steels	< 750 N/mm²	E	60	75	0,120	0,150	0,200	0,240
Alloyed case-hardening steels	< 1000 N/mm²	E	55	65	0,120	0,150	0,200	0,240
Alloyed case-hardening steels	1000-1200 N/mm²	E	50	60	0,120	0,150	0,200	0,240
Nitriding steels	< 1000 N/mm²	E	55	65	0,110	0,140	0,180	0,216
Nitriding steels	1000-1200 N/mm²	E	50	60	0,110	0,140	0,180	0,216
Tool steels	< 850 N/mm²	E	55	65	0,110	0,140	0,180	0,216
	850-1100 N/mm²	E	50	60	0,110	0,140	0,180	0,216
	1100-1400 N/mm²	E	30	40	0,110	0,140	0,180	0,216
High-speed steels	850-1200 N/mm²	E	30	40	0,110	0,140	0,180	0,216
Wear-resistant constructional steel	1350 N/mm²	E	20	35	0,110	0,140	0,180	0,216
Spring steels	< 1200 N/mm²	E	20	35	0,110	0,140	0,180	0,216
Stainless steels, sulphurated	< 700 N/mm²	E	30	40	0,120	0,150	0,200	0,240
Stainless steels, austenitic	< 700 N/mm²	E	30	40	0,120	0,150	0,200	0,240
Stainless steels, austenitic	< 850 N/mm²	E	25	35	0,120	0,150	0,200	0,240
Stainless steels, martensitic	< 1100 N/mm²	E	25	35	0,120	0,150	0,200	0,240
Special alloys	< 1200 N/mm²	E	15	25	0,110	0,140	0,180	0,216
Cast iron	< 180 HB	T/E	70	100	0,130	0,160	0,210	0,252
Cast iron	> 180 HB	T/E	70	100	0,130	0,160	0,210	0,252
Nodular graphite, malleable iron	> 180 HB	E	65	75	0,120	0,150	0,200	0,240
Nodular graphite, malleable iron	> 260 HB	E	65	75	0,120	0,150	0,200	0,240
Titanium, titanium alloys	< 850 N/mm²	E	20	35	0,110	0,140	0,180	0,216
Aluminium, aluminium alloys	< 530 N/mm²	E	150	220	0,140	0,170	0,230	0,276
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Magnesium, magnesium alloys	< 280 N/mm²	E	150	220	0,140	0,170	0,230	0,276
Copper, low-alloy	< 350 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Brass, short-chipping	< 600 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Brass, long-chipping	< 600 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Bronze, short-chipping	< 600 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Bronze, short-chipping	650-850 N/mm²	E	100	180	0,140	0,170	0,230	0,276
Bronze, long-chipping	< 850 N/mm²	E	90	140	0,130	0,160	0,210	0,252
Bronze, long-chipping	850-1200 N/mm²	E	90	140	0,130	0,160	0,210	0,252
Graphite		T	70	100	0,130	0,160	0,210	0,252

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.