Twist drill bit HSCo DIN 338 Type RN MFD VARIO

Name: Twist drill bit HSCo DIN 338 Type RN MFD VARIO
Brand: Würth
SKU: 0626050270

Twist drill bit HSCo DIN 338 type RN MFD VARIO
DRL-TWST-MET-DIN338-HSCO-MFDV-D2,7
ZEBRA

Art.-no. 0626050270

EAN 4052712044687

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Twist drill bit HSCo DIN 338 Type RN MFD VARIO

Art.-no. 0626050270

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Quantity

x 5 pcs

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Premium all-rounder for use in stationary machines for high-precision machining of almost all materials, such as stainless steel, heat-resistant steels and titanium and for general applications in conventional steel up to 1,400 N/mm²as well as in cast iron and non-ferrous metals (e.g. magnesium alloys, brass, bronze, plastic).

Low friction and fast chip removal

Exclusive Vario helix

Optimal centring properties and maximum speed

Special design with four cutting edges with optimised point thinning

Optimal guiding properties and precision (extremely high torsional rigidity)

Combination of double drill heel with a single drill heel

Up to 9x longer service life compared to uncoated drill bits and up to 2x longer service life compared to conventional coatings (heat-resistant up to 800 °C)

Special magma multi-layer coating

Product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified^® Bronze

Available exclusively from Würth

Notice

See overview tables for drill bit/material assignments

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Suitable for machine type	Milling/drill center Pedestal drilling machine
Material to be processed	Steel Stainless steel Cast iron Titanium Special alloy Non-ferrous metal
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 338 / 5xD
Diameter (Ø)	2.7 mm
Length (l1)	61 mm
Chip flute length (l2)	33 mm
Shank diameter	2.7 mm
Shank style	Cylindrical
Surface	Magma multilayer coating
Cutting material	HSCo
Type	RN
Angle of the tip	118 Degree
Service life (points system)	4 of 4 points
Drilling speed (point system)	4 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	4 of 4 points
Drilling behaviour (point system)	4 of 4 points
Suitable for drill (points system)	2 of 4 points
Suitable for cordless drills (points system)	2 of 4 points
Suitable for upright drilling machine (points system)	4 of 4 points
Suitable for milling-drilling centre (points system)	4 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1400 N/mm²
Material of sub-group	General structural steels Non-alloyed tempering steels Alloyed tempering steels Tool steels High-speed steels Cast iron Ductile iron Malleable cast iron White cast iron Stainless steels, sulphurated Stainless steels, austenitic Stainless steels, martensitic Titanium Titanium alloys Special alloys Magnesium alloys Copper, low-alloyed Brass, short-chipping Brass, long-chipping Bronze, short-chipping Bronze, long-chipping Plastics, thermoset Plastics, thermoplastic Plastics, aramide-fibre reinforced Plastics, glass/carbon-fibre-reinforced

Cutting values
For dia. 1.0–2.5
Material designation	Tensile strength			from dia. 1.0			from dia. 2.0			from dia. 2.5
		v_c		n		f	n		f	n		f
		From	To	From	To		From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	36	48	11459	15279	0,018	5730	7639	0,063	4584	6112	0,080
Unalloyed heat-treated steels	≤ 850 N/mm²	36	48	11459	15279	0,018	5730	7639	0,063	4584	6112	0,080
Low-alloy heat-treated steels	≤ 850 N/mm²	36	48	11459	15279	0,018	5730	7639	0,063	4584	6112	0,080
Unalloyed heat-treated steels	≤ 1000 N/mm²	34	42	10823	13369	0,016	5411	6685	0,050	4329	5348	0,063
Low-alloy heat-treated steels	≤ 1000 N/mm²	34	42	10823	13369	0,016	5411	6685	0,050	4329	5348	0,063
Alloyed heat-treated steels	≤ 1200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Nitriding steels	≤ 1200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Tool steels	≤ 1200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
High-speed steels	≤ 1200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Stainless steels
Stainless steels	≤ 1,200	12	18	3820	5730	0,014	1910	2865	0,040	1528	2292	0,050
Titanium and titanium alloys	≤ 850 N/mm²	8	12	2546	3820	0,008	1273	1910	0,025	1019	1528	0,032
Special alloys	≤ 1,200	5	7	1592	2228	0,006	796	1114	0,020	637	891	0,025
Hard materials
Spring steels	≤ 330 HB	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Cast metals
Cast iron	≤ 350 HB	40	45	12732	14324	0,018	6366	7162	0,063	5093	5730	0,080
Spheroidal graphite and malleable iron	≤ 350 HB	27	34	8594	10823	0,018	4297	5411	0,063	3438	4329	0,080
Plastics
Plastics	≤ 200 N/mm²	20	40	6366	12732	0,016	3183	6366	0,050	2546	5093	0,063

For dia. 3.15–5.0
Material designation	Tensile strength			from dia. 3.15			from dia. 4.0			from dia. 5.0
		v_c		n		f	n		f	n		f
		From	To	From	To		From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	36	48	3638	4850	0,100	2865	3820	0,125	2292	3056	0,125
Unalloyed heat-treated steels	≤ 850 N/mm²	36	48	3638	4850	0,100	2865	3820	0,125	2292	3056	0,125
Low-alloy heat-treated steels	≤ 850 N/mm²	36	48	3638	4850	0,100	2865	3820	0,125	2292	3056	0,125
Unalloyed heat-treated steels	≤ 1000 N/mm²	34	42	3436	4244	0,080	2706	3342	0,100	2165	2674	0,100
Low-alloy heat-treated steels	≤ 1000 N/mm²	34	42	3436	4244	0,080	2706	3342	0,100	2165	2674	0,100
Alloyed heat-treated steels	≤ 1200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Nitriding steels	≤ 1200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Tool steels	≤ 1200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
High-speed steels	≤ 1200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Stainless steels
Stainless steels	≤ 1,200	12	18	1213	1819	0,063	955	1432	0,080	764	1146	0,080
Titanium and titanium alloys	≤ 850 N/mm²	8	12	808	1213	0,040	637	955	0,050	509	764	0,050
Special alloys	≤ 1,200	5	7	505	707	0,032	398	557	0,040	318	446	0,040
Hard materials
Spring steels	≤ 330 HB	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Cast metals
Cast iron	≤ 350 HB	40	45	4042	4547	0,100	3183	3581	0,125	2546	2865	0,125
Spheroidal graphite and malleable iron	≤ 350 HB	27	34	2728	3436	0,100	2149	2706	0,125	1719	2165	0,125
Plastics
Plastics	≤ 200 N/mm²	20	40	2021	4042	0,080	1592	3183	0,100	1273	2546	0,100

For dia. 6.3–10.0
Material designation	Tensile strength			from dia. 6.3			from dia. 8.0			from dia. 10.0
		v_c		n		f	n		f	n		f
		From	To	From	To		From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	36	48	1819	2425	0,160	1432	1910	0,200	1146	1528	0,250
Unalloyed heat-treated steels	≤ 850 N/mm²	36	48	1819	2425	0,160	1432	1910	0,200	1146	1528	0,250
Low-alloy heat-treated steels	≤ 850 N/mm²	36	48	1819	2425	0,160	1432	1910	0,200	1146	1528	0,250
Unalloyed heat-treated steels	≤ 1000 N/mm²	34	42	1718	2122	0,125	1353	1671	0,160	1082	1337	0,200
Low-alloy heat-treated steels	≤ 1000 N/mm²	34	42	1718	2122	0,125	1353	1671	0,160	1082	1337	0,200
Alloyed heat-treated steels	≤ 1200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Nitriding steels	≤ 1200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Tool steels	≤ 1200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
High-speed steels	≤ 1200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Stainless steels
Stainless steels	≤ 1,200	12	18	606	909	0,100	477	716	0,125	382	573	0,160
Titanium and titanium alloys	≤ 850 N/mm²	8	12	404	606	0,063	318	477	0,080	255	382	0,100
Special alloys	≤ 1,200	5	7	253	354	0,050	199	279	0,063	159	223	0,080
Hard materials
Spring steels	≤ 330 HB	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Cast metals
Cast iron	≤ 350 HB	40	45	2021	2274	0,160	1592	1790	0,200	1273	1432	0,250
Spheroidal graphite and malleable iron	≤ 350 HB	27	34	1364	1718	0,160	1074	1353	0,200	859	1082	0,250
Plastics
Plastics	≤ 200 N/mm²	20	40	1011	2021	0,125	796	1592	0,160	637	1273	0,200

For dia. 12.5–20.0
Material designation	Tensile strength			from dia. 12.5			from dia. 16.0			from dia. 20.0
		v_c		n		f	n		f	n		f
		From	To	From	To		From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	36	48	917	1222	0,250	716	955	0,315	573	764	0,400
Unalloyed heat-treated steels	≤ 850 N/mm²	36	48	917	1222	0,250	716	955	0,315	573	764	0,400
Low-alloy heat-treated steels	≤ 850 N/mm²	36	48	917	1222	0,250	716	955	0,315	573	764	0,400
Unalloyed heat-treated steels	≤ 1000 N/mm²	34	42	866	1070	0,200	676	836	0,250	541	668	0,315
Low-alloy heat-treated steels	≤ 1000 N/mm²	34	42	866	1070	0,200	676	836	0,250	541	668	0,315
Alloyed heat-treated steels	≤ 1200 N/mm²	16	28	407	713	0,125	318	557	0,160	255	446	0,200
Nitriding steels	≤ 1200 N/mm²	16	28	407	713	0,125	318	557	0,160	255	446	0,200
Tool steels	≤ 1200 N/mm²	16	28	407	713	0,125	318	557	0,160	255	446	0,200
High-speed steels	≤ 1200 N/mm²	16	28	407	713	0,125	318	557	0,160	255	446	0,200
Stainless steels
Stainless steels	≤ 1,200	12	18	306	458	0,160	239	358	0,200	191	286	0,250
Titanium and titanium alloys	≤ 850 N/mm²	8	12	204	306	0,100	159	239	0,125	127	191	0,160
Special alloys	≤ 1,200	5	7	127	178	0,080	99	139	0,100	80	111	0,125
Hard materials
Spring steels	≤ 330 HB	16	28	407	713	0,125	318	557	0,160	255	446	0,200
Cast metals
Cast iron	≤ 350 HB	40	45	1019	1146	0,250	796	895	0,315	637	716	0,400
Spheroidal graphite and malleable iron	≤ 350 HB	27	34	688	866	0,250	537	676	0,315	430	541	0,400
Plastics
Plastics	≤ 200 N/mm²	20	40	509	1019	0,200	398	796	0,250	318	637	0,315

Legend
v_c = cutting speed [m/min]
f = feed (mm/r)
n = speed [rpm]
The suggested cutting values are reference values and must be adapted to the respective conditions.

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