Twist drill bit HSCo8 WN TYPE RH

Name: Twist drill bit HSCo8 WN TYPE RH
Brand: Würth
SKU: 0618303100

Twist drill bit HSCo8 WN type RH
DRL-TWST-MET-WN-MK-HSCO8-D31,0
ZEBRA

Art.-no. 0618303100

EAN 4052712047534

All versions

Specification

The extra stable morse taper drill bit with 8% cobalt alloy for column drills for working with hard-to-machine materials (e.g. Hardox) with extremely high strengths of up to 1,400 N/mm², such as excavator shovels, lorry attachments, armour plating, snow ploughs, agricultural machinery, etc.

Excellent stability and cutting force

Extra-short drilling section and reinforced core

Extra-high level of resistance to breakage

Optimised cutting edge and special, flat helix angle

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

Technical information

Suitable for machine type	Pedestal drilling machine
Material to be processed	Hard and tough material
Quality	ZEBRA-Premium
Standard / drilling depth	CS / 3xD
Diameter (Ø)	31.0 mm
Suitable for morse taper tools	MK 4
Length (l1)	266 mm
Chip flute length (l2)	117 mm
Shank style	Morse taper
Surface	Vaporised
Cutting material	HSCo8
Type	RH
Angle of the tip	130 Degree
Service life (points system)	3 of 4 points
Drilling speed (point system)	3 of 4 points
Bore hole quality (point system) ( )	3 of 4 points
Versatility (points system)	2 of 4 points
Drilling behaviour (point system)	3 of 4 points
Suitable for upright drilling machine (points system)	4 of 4 points
Suitable for milling-drilling centre (points system)	2 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1400 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.

For dia. 40.0
Material designation	Tensile strength			from dia. 40.0
		v_c		n		f
		from	to	from	to
Steels
General structural steels	≤ 850 N/mm²	25	35	199	279	0,400
Unalloyed quenched and tempered steels	≤ 850 N/mm²	25	35	199	279	0,400
Low-alloy quenched and tempered steels	≤ 850 N/mm²	25	35	199	279	0,400
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	20	25	159	199	0,300
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	20	25	159	199	0,300
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	8	12	64	95	0,250
Nitriding steels	≤ 1,200 N/mm²	8	12	64	95	0,250
Tool steels	≤ 1,200 N/mm²	8	12	64	95	0,250
High-speed steels	≤ 1,200 N/mm²	8	12	64	95	0,250
Stainless steels
Titanium and titanium alloys	≤ 850 N/mm²	3	8	24	64	0,250
Special alloys	≤ 1,200 N/mm²	3	8	24	64	0,250
Cast metals
Cast iron	≤ 350 HB	20	30	159	239	0,400
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	143	175	0,400
Hard materials
Hardox		8	10	64	80	0,320
Spring steels	≤ 330 HB	5	10	40	80	0,320

Cutting values
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
General structural steels	≤ 850 N/mm²	25	35	995	1393	0,100	796	1114	0,120	663	928	0,140
Unalloyed quenched and tempered steels	≤ 850 N/mm²	25	35	995	1393	0,100	796	1114	0,120	663	928	0,140
Low-alloy quenched and tempered steels	≤ 850 N/mm²	25	35	995	1393	0,100	796	1114	0,120	663	928	0,140
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	3	8	119	318	0,100	95	255	0,120	80	212	0,140
Special alloys	≤ 1,200 N/mm²	3	8	119	318	0,100	95	255	0,120	80	212	0,140
Cast metals
Cast iron	≤ 350 HB	20	30	796	1194	0,140	637	955	0,160	531	796	0,200
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	716	875	0,140	573	700	0,160	477	584	0,200
Hard materials
Hardox		8	10	318	398	0,080	255	318	0,100	212	265	0,120
Spring steels	≤ 330 HB	5	10	199	398	0,080	159	318	0,100	133	265	0,120

For dia. 28.0-36.0
Material designation	Tensile strength			from dia. 28.0			from dia. 32.0			from dia. 36.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
General structural steels	≤ 850 N/mm²	25	35	284	398	0,260	249	348	0,300	221	309	0,360
Unalloyed quenched and tempered steels	≤ 850 N/mm²	25	35	284	398	0,260	249	348	0,300	221	309	0,360
Low-alloy quenched and tempered steels	≤ 850 N/mm²	25	35	284	398	0,260	249	348	0,300	221	309	0,360
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	20	25	227	284	0,260	199	249	0,280	177	221	0,300
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	20	25	227	284	0,260	199	249	0,280	177	221	0,300
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	8	12	91	136	0,220	80	119	0,240	71	106	0,250
Nitriding steels	≤ 1,200 N/mm²	8	12	91	136	0,220	80	119	0,240	71	106	0,250
Tool steels	≤ 1,200 N/mm²	8	12	91	136	0,220	80	119	0,240	71	106	0,250
High-speed steels	≤ 1,200 N/mm²	8	12	91	136	0,220	80	119	0,240	71	106	0,250
Stainless steels
Titanium and titanium alloys	≤ 850 N/mm²	3	8	34	91	0,220	30	80	0,240	27	71	0,250
Special alloys	≤ 1,200 N/mm²	3	8	34	91	0,220	30	80	0,240	27	71	0,250
Cast metals
Cast iron	≤ 350 HB	20	30	227	341	0,300	199	298	0,320	177	265	0,350
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	205	250	0,300	179	219	0,320	159	195	0,350
Hard materials
Hardox		8	10	91	114	0,240	80	99	0,260	71	88	0,300
Spring steels	≤ 330 HB	5	10	57	114	0,240	50	99	0,260	44	88	0,300

For dia. 16.0-24.0
Material designation	Tensile strength			from dia. 16.0			from dia. 20.0			from dia. 24.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
Steels
General structural steels	≤ 850 N/mm²	25	35	497	696	0,180	398	557	0,200	332	464	0,220
Unalloyed quenched and tempered steels	≤ 850 N/mm²	25	35	497	696	0,180	398	557	0,200	332	464	0,220
Low-alloy quenched and tempered steels	≤ 850 N/mm²	25	35	497	696	0,180	398	557	0,200	332	464	0,220
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	20	25	398	497	0,180	318	398	0,200	265	332	0,220
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	20	25	398	497	0,180	318	398	0,200	265	332	0,220
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	8	12	159	239	0,160	127	191	0,180	106	159	0,200
Nitriding steels	≤ 1,200 N/mm²	8	12	159	239	0,160	127	191	0,180	106	159	0,200
Tool steels	≤ 1,200 N/mm²	8	12	159	239	0,160	127	191	0,180	106	159	0,200
High-speed steels	≤ 1,200 N/mm²	8	12	159	239	0,160	127	191	0,180	106	159	0,200
Stainless steels
Titanium and titanium alloys	≤ 850 N/mm²	3	8	60	159	0,160	48	127	0,180	40	106	0,200
Special alloys	≤ 1,200 N/mm²	3	8	60	159	0,160	48	127	0,180	40	106	0,200
Cast metals
Cast iron	≤ 350 HB	20	30	398	597	0,250	318	477	0,260	265	398	0,280
Spheroidal graphite and malleable iron	≤ 350 HB	18	22	358	438	0,250	286	350	0,260	239	292	0,280
Hard materials
Hardox		8	10	159	199	0,140	127	159	0,160	106	133	0,200
Spring steels	≤ 330 HB	5	10	99	199	0,140	80	159	0,160	66	133	0,200

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