Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D4,2

Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D4,2 - 1

Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D4,2 - 2

Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D4,2 - 3

Twist drill bit HSCo8 WN MAGMA

Name: Twist drill bit HSCo8 WN MAGMA
Brand: Würth
SKU: 0618940420

Twist drill, HSCo8, WN type, RH MAGMA
DRL-TWST-MET-WN-HSCO8-MAGMA-D4,2
ZEBRA

Art.-no. 0618940420

EAN 4061975572738

All versions

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Twist drill bit HSCo8 WN MAGMA

Art.-no. 0618940420

Prices for customers after login

Quantity

x 10 pcs

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The extremely long-lasting drill bit with Magma multi-layer coating and 8 % cobalt alloy for universal processing of conventional steels, titanium and hard-to-machine materials (e.g. Hardox) with high strengths up to 1550 N/mm².

Exceptionally high drilling stability and cutting force

Reinforced core and shortened spiral length according to DIN 1897 with a total length according to DIN 338

Extra-high level of resistance to breakage

Optimised cutting edge and special, flat helix angle

Special magma multi-layer coating and 8 % cobalt alloy

Up to 9x longer service life and up to 50 % faster cutting speed compared to uncoated drill bits

Up to 2x longer service life compared to conventional coatings

Heat-resistant up to 800 °C

Optimal centring during work and less effort required

135° tip angle and optimised split point

3-flat shank (from dia. 4 mm)

No spinning in the drill chuck: faster, more comfortable working

Optimal power transmission

Protects the drill chuck from damage

Little effort required to loosen and tighten the drill chuck

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

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Application area

Materials that are difficult to machine (e.g. Hardox 400–500), such as excavator shovels, lorry attachments, armour plating, snow ploughs, agricultural machinery etc.

Holes in conventional steels where a long service life is required

Instructions

Where possible, use sufficient coolant and lubricant.


Suitable for machine type	Drill Cordless screwdrivers Pedestal drilling machine Milling/drill center
Material to be processed	Hard and tough material
Quality	ZEBRA-Premium
Standard / drilling depth	CS / 3xD
Diameter (Ø)	4.2 mm
Length (l1)	75 mm
Chip flute length (l2)	22 mm
Shank diameter	4.2 mm
Shank style	3-face shank
Surface	Magma multilayer coating
Cutting material	HSCo8
Type	RH
Angle of the tip	135 Degree
Service life (points system)	4 of 4 points
Drilling speed (point system)	3 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	2 of 4 points
Drilling behaviour (point system)	4 of 4 points
Suitable for drill (points system)	4 of 4 points
Suitable for cordless drills (points system)	4 of 4 points
Suitable for upright drilling machine (points system)	4 of 4 points
Suitable for milling-drilling centre (points system)	3 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1550 N/mm²
Material of sub-group	Alloyed tempering steels Nitriding steels Tool steels High-speed steels Cast iron Ductile iron Malleable cast iron Titanium Titanium alloys Hardox Spring steels Bronze, short-chipping Bronze, long-chipping Brass, short-chipping

Cutting values
For dia. 1.0-3.0
Material designation	Tensile strength			from dia. 1.0			from dia. 2.0			from dia. 3.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	20	25	6360	7960	0,020	3183	3979	0,030	2122	2653	0,040
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	20	25	6360	7960	0,020	3183	3979	0,030	2122	2653	0,040
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	8	12	2546	3820	0,020	1273	1910	0,030	849	1273	0,040
Nitriding steels	≤ 1,200 N/mm²	8	12	2546	3820	0,020	1273	1910	0,030	849	1273	0,040
Tool steels	≤ 1,200 N/mm²	8	12	2546	3820	0,020	1273	1910	0,030	849	1273	0,040
High-speed steels	≤ 1,200 N/mm²	8	12	2546	3820	0,020	1273	1910	0,030	849	1273	0,040
Stainless steels
Titanium and titanium alloys	≤ 850 N/mm²	7	10	2228	3183	0,020	1114	1592	0,030	743	1061	0,040
Special alloys	≤ 1,200 N/mm²	7	9	2228	2865	0,020	1114	1432	0,030	743	955	0,040
Cast metals
Cast iron	≤ 350 HB	20	30	6366	9550	0,030	3183	4775	0,040	2122	3183	0,050
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	5730	7000	0,030	2865	3500	0,040	1910	2334	0,050
Hard materials
Hardox	≤ 1,250 N/mm²	7	9	2228	2865	0,025	1114	1432	0,035	743	955	0,045
Hardox	≤ 1,550 N/mm²	4	6	1273	1910	0,015	637	955	0,020	424	637	0,030
Spring steels	≤ 1,100 N/mm²	8	10	2538	3183	0,025	1273	1592	0,035	849	1061	0,040

For dia. 4.0-6.0
Material designation	Tensile strength			from dia. 4.0			from dia. 5.0			from dia. 6.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	20	25	1592	1989	0,050	1273	1592	0,060	1061	1326	0,080
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	20	25	1592	1989	0,050	1273	1592	0,060	1061	1326	0,080
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	8	12	637	955	0,050	509	764	0,060	424	637	0,080
Nitriding steels	≤ 1,200 N/mm²	8	12	637	955	0,050	509	764	0,060	424	637	0,080
Tool steels	≤ 1,200 N/mm²	8	12	637	955	0,050	509	764	0,060	424	637	0,080
High-speed steels	≤ 1,200 N/mm²	8	12	637	955	0,050	509	764	0,060	424	637	0,080
Stainless steels
Titanium and titanium alloys	≤ 850 N/mm²	7	10	557	796	0,050	446	637	0,060	371	531	0,080
Special alloys	≤ 1,200 N/mm²	7	9	557	716	0,050	446	573	0,060	371	477	0,080
Cast metals
Cast iron	≤ 350 HB	20	30	1592	2387	0,060	1273	1910	0,080	1061	1592	0,100
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	1432	1751	0,060	1146	1401	0,080	955	1167	0,100
Hard materials
Hardox	≤ 1,250 N/mm²	7	9	557	716	0,063	446	573	0,070	371	477	0,080
Hardox	≤ 1,550 N/mm²	4	6	318	477	0,040	255	382	0,050	212	318	0,060
Spring steels	≤ 1,100 N/mm²	8	10	637	796	0,060	509	637	0,070	424	531	0,080

For dia. 8.0-12.0
Material designation	Tensile strength			from dia. 8.0			from dia. 10.0			from dia. 12.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	20	25	796	995	0,100	637	796	0,120	531	663	0,140
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	20	25	796	995	0,100	637	796	0,120	531	663	0,140
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	8	12	318	477	0,100	255	382	0,120	212	318	0,140
Nitriding steels	≤ 1,200 N/mm²	8	12	318	477	0,100	255	382	0,120	212	318	0,140
Tool steels	≤ 1,200 N/mm²	8	12	318	477	0,100	255	382	0,120	212	318	0,140
High-speed steels	≤ 1,200 N/mm²	8	12	318	477	0,100	255	382	0,120	212	318	0,140
Stainless steels
Titanium and titanium alloys	≤ 850 N/mm²	7	10	279	398	0,100	223	318	0,120	186	265	0,140
Special alloys	≤ 1,200 N/mm²	7	9	279	358	0,100	223	286	0,120	186	239	0,140
Cast metals
Cast iron	≤ 350 HB	20	30	796	1194	0,120	637	955	0,140	531	796	0,160
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	716	875	0,120	573	700	0,140	477	584	0,160
Hard materials
Hardox	≤ 1,250 N/mm²	7	9	279	358	0,100	223	286	0,125	186	239	0,140
Hardox	≤ 1,550 N/mm²	4	6	159	239	0,080	127	191	0,100	106	159	0,110
Spring steels	≤ 1,100 N/mm²	8	10	318	398	0,100	255	318	0,125	212	265	0,140

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

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