Twist drill bit HSCo DIN 338 type RN MAGMA

Name: Twist drill bit HSCo DIN 338 type RN MAGMA
Brand: Würth
SKU: 0626040420

Twist drill bit HSCo DIN 338 type RN MAGMA
DRL-TWST-MET-DIN338-HSCO-MAGMA-D4,2
ZEBRA

Art.-no. 0626040420

EAN 4052712044304

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Twist drill bit HSCo DIN 338 type RN MAGMA

Art.-no. 0626040420

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The precision Longlife drill bit with magma coating for machining stainless steel (e.g. V2A, V4A), heat-resistant steels and titanium. Also suitable for general applications in steel up to 1,400 N/mm² and in cast iron.

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) and up to 50 % faster cutting speed than uncoated drill bits

Special magma multi-layer coating

Precise tapping without centring, even on curved surfaces

Optimised split point

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

Product information

Würth Catalogue

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Suitable for machine type	Drill, Cordless screwdrivers, Pedestal drilling machine
Material to be processed	Steel, Stainless steel, Cast iron, Titanium, Special alloy
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 338 / 5xD
Diameter (Ø)	4.2 mm
Length (l1)	75 mm
Chip flute length (l2)	43 mm
Shank style	Cylindrical
Surface	Magma multilayer coating
Cutting material	HSCo
Type	RN
Angle of the tip	130 Degree
Service life (points system)	4 of 4 points
Drilling speed (point system)	4 of 4 points
Bore hole quality (point system) ( )	3 of 4 points
Versatility (points system)	3 of 4 points
Drilling behaviour (point system)	3 of 4 points
Suitable for drill (points system)	3 of 4 points
Suitable for cordless drills (points system)	3 of 4 points
Suitable for upright drilling machine (points system)	3 of 4 points
Suitable for milling-drilling centre (points system)	3 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, Nitriding 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, Spring steels, Aluminium casting alloys (>10% silicon), Magnesium alloys, Copper, low-alloyed, Bronze, short-chipping, Bronze, long-chipping, Brass, short-chipping, Brass, long-chipping, Plastics, thermoset, Plastics, thermoplastic

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.

For dia. 12.5–16.0
Material designation	Tensile strength			from dia. 12.5			from dia. 16.0
		v_c		n		f	n		f
		From	To	From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	36	48	917	1222	0,250	716	955	0,315
Unalloyed quenched and tempered steels	≤ 850 N/mm²	36	48	917	1222	0,250	716	955	0,315
Low-alloy heat-treated steels	≤ 850 N/mm²	36	48	917	1222	0,250	716	955	0,315
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	34	42	866	1070	0,200	676	836	0,250
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	34	42	866	1070	0,200	676	836	0,250
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	16	28	407	713	0,125	318	557	0,160
Nitriding steels	≤ 1,200 N/mm²	16	28	407	713	0,125	318	557	0,160
Tool steels	≤ 1,200 N/mm²	16	28	407	713	0,125	318	557	0,160
High-speed steels	≤ 1,200 N/mm²	16	28	407	713	0,125	318	557	0,160
Stainless steels
Stainless steels	≤ 1,200 N/mm²	12	18	306	458	0,125	239	358	0,160
Titanium	≤ 850 N/mm²	8	12	204	306	0,100	159	239	0,125
Special alloys	≤ 1,200 N/mm²	5	7	127	178	0,080	99	139	0,100
Cast metals
Cast iron	≤ 350 HB	40	45	1019	1146	0,250	796	895	0,315
Spheroidal graphite and malleable iron	≤ 350 HB	27	34	688	866	0,250	537	676	0,315
Hard materials
Spring steels	≤ 330 HB	16	28	407	713	0,125	318	557	0,160
Plastics
Plastics	≤ 200 N/mm²	20	40	509	1019	0,200	398	796	0,250

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 quenched and tempered steels	≤ 850 N/mm²	36	48	11459	15279	0,018	5730	7639	0,063	4584	6112	0,080
Low-alloy quenched and tempered steels	≤ 850 N/mm²	36	48	11459	15279	0,018	5730	7639	0,063	4584	6112	0,080
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	34	42	10823	13369	0,016	5411	6685	0,050	4329	5348	0,063
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	34	42	10823	13369	0,016	5411	6685	0,050	4329	5348	0,063
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Nitriding steels	≤ 1,200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Tool steels	≤ 1,200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
High-speed steels	≤ 1,200 N/mm²	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Stainless steels
Stainless steels	≤ 1,200 N/mm²	12	18	3820	5730	0,012	1910	2865	0,032	1528	2292	0,040
Titanium	≤ 850 N/mm²	8	12	2546	3820	0,008	1273	1910	0,025	1019	1528	0,032
Special alloys	≤ 1,200 N/mm²	5	7	1592	2228	0,006	796	1114	0,020	637	891	0,025
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
Hard materials
Spring steels	≤ 330 HB	16	28	5093	8913	0,012	2546	4456	0,032	2037	3565	0,040
Plastics
Plastics	≤ 200 N/mm²	20	40	6366	12732	0,016	3183	6366	0,050	2546	5093	0,063

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 quenched and tempered 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 quenched and tempered steels	≤ 1,000 N/mm²	34	42	1718	2122	0,125	1353	1671	0,160	1082	1337	0,200
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	34	42	1718	2122	0,125	1353	1671	0,160	1082	1337	0,200
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Nitriding steels	≤ 1,200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Tool steels	≤ 1,200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
High-speed steels	≤ 1,200 N/mm²	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Stainless steels
Stainless steels	≤ 1,200 N/mm²	12	18	606	909	0,080	477	716	0,100	382	573	0,125
Titanium	≤ 850 N/mm²	8	12	404	606	0,063	477	716	0,080	255	382	0,100
Special alloys	≤ 1,200 N/mm²	5	7	253	354	0,050	199	279	0,063	159	223	0,080
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
Hard materials
Spring steels	≤ 330 HB	16	28	808	1415	0,080	637	1114	0,100	509	891	0,125
Plastics
Plastics	≤ 200 N/mm²	20	40	1011	2021	0,125	796	1592	0,160	637	1273	0,200

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 quenched and tempered 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 quenched and tempered steels	≤ 1,000 N/mm²	34	42	3436	4244	0,080	2706	3342	0,100	2165	2674	0,100
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	34	42	3436	4244	0,080	2706	3342	0,100	2165	2674	0,100
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Nitriding steels	≤ 1,200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Tool steels	≤ 1,200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
High-speed steels	≤ 1,200 N/mm²	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Stainless steels
Stainless steels	≤ 1,200 N/mm²	12	18	1213	1819	0,050	955	1432	0,063	764	1146	0,063
Titanium	≤ 850 N/mm²	8	12	808	1213	0,040	637	955	0,050	509	764	0,050
Special alloys	≤ 1,200 N/mm²	5	7	505	707	0,032	398	557	0,040	318	446	0,040
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
Hard materials
Spring steels	≤ 330 HB	16	28	1617	2829	0,050	1273	2228	0,063	1019	1783	0,063
Plastics
Plastics	≤ 200 N/mm²	20	40	2021	4042	0,080	1592	3183	0,100	1273	2546	0,100

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