Twist drill bit HSCo DIN 1869 R3 type RN

Name: Twist drill bit HSCo DIN 1869 R3 type RN
Brand: Würth
SKU: 0626660400

Twist drill bit HSCo DIN 1869 R3 type RN
DRL-TWST-MET-DIN1869-R3-HSCO-NIT-D4,0
ZEBRA

Art.-no. 0626660400

EAN 4052712046599

All versions

Specification

The extra-long, spiral, stainless steel deep-hole drill bit for machining stainless steel (e.g. V2A, V4A), heat-resistant steels and for general, broad applications in steel up to 1,200 N/mm² and in cast iron.

Excellent chip removal

Special flute profile (reduced machining times due to fewer chip removal cycles)

Precise, straight drilling

Double margins

Approx. 30 % longer service life compared to untreated surfaces

Nitrided margins

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

Notice

When using the drill bit in accordance with DIN 1869, it is recommended to create a pilot hole with a depth of 1xD to 2xD. Our extra-short Longlife drill bit in accordance with DIN 1897 (art. no. 062674...) is ideal for this task.

Technical information

Suitable for machine type	Drill, Cordless screwdrivers, Milling/drill center, Pedestal drilling machine
Material to be processed	Steel, Cast iron, Stainless steel, Titanium
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 1869 / 30xD
Diameter (Ø)	4.0 mm
Length (l1)	280 mm
Chip flute length (l2)	190 mm
Shank diameter	4.0 mm
Shank style	Cylindrical
Surface	Fase nitrated
Cutting material	HSCo
Type	RN
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)	3 of 4 points
Drilling behaviour (point system)	3 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)	3 of 4 points
Suitable for milling-drilling centre (points system)	3 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1200 N/mm²
Material of sub-group	General structural steels, Non-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, Spring steels, Magnesium alloys, Copper, low-alloyed, Bronze, short-chipping, Bronze, long-chipping, Brass, short-chipping, Brass, long-chipping, Plastics, thermoset, Plastics, thermoplastic

Cutting values
For dia. 4.0–6.0
Material name	Tensile strength			Dia. 4.0			Dia. 5.0			Dia. 6.0
		v_c		n		f	n		f	n		f
		From	To	From	To		From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	30	40	2387	3183	0,060	1910	2546	0,080	1592	2122	0,100
Unalloyed heat-treated steels	≤ 850 N/mm²	30	40	2387	3183	0,060	1910	2546	0,080	1592	2122	0,100
Low-alloy heat-treated steels	≤ 850 N/mm²	30	40	2387	3183	0,060	1910	2546	0,080	1592	2122	0,100
Unalloyed heat-treated steels	≤ 1000 N/mm²	20	30	1592	2387	0,050	1273	1910	0,060	1061	1592	0,080
Low-alloy heat-treated steels	≤ 1000 N/mm²	20	30	1592	2387	0,050	1273	1910	0,060	1061	1592	0,080
Alloyed heat-treated steels	≤ 1200 N/mm²	10	15	796	1194	0,050	637	955	0,060	531	796	0,080
Nitriding steels	≤ 1200 N/mm²	10	15	796	1194	0,050	637	955	0,060	531	796	0,080
Tool steels	≤ 1200 N/mm²	10	15	796	1194	0,050	637	955	0,060	531	796	0,080
High-speed steels	≤ 1200 N/mm²	10	15	796	1194	0,050	637	955	0,060	531	796	0,080
Cast metals
Cast iron	≤ 350 HB	20	30	1592	2387	0,080	1273	1910	0,100	1061	1592	0,120
Spheroidal graphite and malleable iron	≤ 350 HB	15	25	1194	1989	0,080	955	1592	0,100	796	1326	0,120
Stainless steels
Stainless steels	≤ 1200 N/mm²	10	14	796	1114	0,050	637	891	0,060	531	743	0,080
Titanium	≤ 850 N/mm²	6	10	477	796	0,040	382	637	0,050	318	531	0,050
Hard materials
Spring steels	≤ 330 HB	5	10	398	796	0,040	318	637	0,050	265	531	0,050
Plastics
Plastics	≤ 200 N/mm²	20	30	1592	2387	0,050	1273	1910	0,060	1061	1592	0,080

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. 8.0–13.0
Material name	Tensile strength			Dia. 8.0			Dia. 10.0			Dia. 13.0
		v_c		n		f	n		f	n		f
		From	To	From	To		From	To		From	To
Steels
General structural steels	≤ 850 N/mm²	30	40	1194	1592	0,120	955	1273	0,140	735	979	0,160
Unalloyed heat-treated steels	≤ 850 N/mm²	30	40	1194	1592	0,120	955	1273	0,140	735	979	0,160
Low-alloy heat-treated steels	≤ 850 N/mm²	30	40	1194	1592	0,120	955	1273	0,140	735	979	0,160
Unalloyed heat-treated steels	≤ 1000 N/mm²	20	30	796	1194	0,100	637	955	0,120	490	735	0,120
Low-alloy heat-treated steels	≤ 1000 N/mm²	20	30	796	1194	0,100	637	955	0,120	490	735	0,120
Alloyed heat-treated steels	≤ 1200 N/mm²	10	15	398	597	0,100	318	477	0,120	245	367	0,120
Nitriding steels	≤ 1200 N/mm²	10	15	398	597	0,100	318	477	0,120	245	367	0,120
Tool steels	≤ 1200 N/mm²	10	15	398	597	0,100	318	477	0,120	245	367	0,120
High-speed steels	≤ 1200 N/mm²	10	15	398	597	0,100	318	477	0,120	245	367	0,120
Cast metals
Cast iron	≤ 350 HB	20	30	796	1194	0,140	637	955	0,160	490	735	0,200
Spheroidal graphite and malleable iron	≤ 350 HB	15	25	597	995	0,140	477	796	0,160	367	612	0,200
Stainless steels
Stainless steels	≤ 1200 N/mm²	10	14	398	557	0,100	318	446	0,110	245	343	0,120
Titanium	≤ 850 N/mm²	6	10	239	398	0,060	191	318		147	245	0,100
Hard materials
Spring steels	≤ 330 HB	5	10	199	398	0,060	159	318	0,080	122	245	0,100
Plastics
Plastics	≤ 200 N/mm²	20	30	796	1194	0,100	637	955	0,110	490	735	0,120

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