Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D8,0

Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D8,0 - 1

Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D8,0 - 2

Twist drill bit HSCo8 WN MAGMA - DRL-TWST-MET-WN-HSCO8-MAGMA-D8,0 - 3

Twist drill bit HSCo8 WN MAGMA

Name: Twist drill bit HSCo8 WN MAGMA
Brand: Würth
SKU: 0618940800

Twist drill, HSCo8, WN type, RH MAGMA
DRL-TWST-MET-WN-HSCO8-MAGMA-D8,0
ZEBRA

Art.-no. 0618940800

EAN 4061975572820

All versions

Specification

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 cross web thinning

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

Minimal effort required to loosen and tighten the drill chuck

Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable

Application

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.

Technical information


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)	8.0 mm
Length (l1)	117 mm
Chip flute length (l2)	37 mm
Shank diameter	8.0 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

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.

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. 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

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

Documents

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Accessory

Additional accessory:

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