Twist drill bit HSS DIN 1869 R2 type RN

Name: Twist drill bit HSS DIN 1869 R2 type RN
Brand: Würth
SKU: 0625500400

Twist drill HSS DIN 1869 R2 type RN
DRL-TWST-MET-DIN1869-R2-HSS-D4,0

Art.-no. 0625500400

EAN 4052712047992

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Twist drill bit HSS DIN 1869 R2 type RN

Art.-no. 0625500400

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x 3 pcs

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The extra-long, steel deep-hole drill bit for drilling deep holes in steel up to 1,000 N/mm², in cast iron and in composite materials (e.g. plastic profiles with steel core).

Vapour-plated surface for excellent adhesive properties of cooling lubricants and a reduced tendency towards the buildup of material deposits

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

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 precision drill bit in accordance with DIN 1897 (art. no. 062470…) is ideal for this task.

Product information

Würth Catalogue

Datasheets(X)

Certificates/ Documents

Suitable for machine type	Drill Cordless screwdrivers Milling/drill center Pedestal drilling machine
Material to be processed	Steel Cast iron
Quality	Würth-Standard
Standard / drilling depth	DIN 1869 / 25xD
Diameter (Ø)	4 mm
Length (l1)	220 mm
Chip flute length (l2)	150 mm
Shank diameter	4 mm
Shank style	Cylindrical
Surface	Vaporised
Cutting material	HSS
Type	RN
Angle of the tip	118 Degree
Service life (points system)	2 of 4 points
Drilling speed (point system)	2 of 4 points
Bore hole quality (point system) ( )	2 of 4 points
Versatility (points system)	2 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)	2 of 4 points
Suitable for milling-drilling centre (points system)	1 of 4 points
Self-centring	Yes
Suitable for tensile strength up to	1000 N/mm²
Material of sub-group	General structural steels Non-alloyed tempering steels Tool steels Cast iron Ductile iron Malleable cast iron Brass, short-chipping Brass, long-chipping Plastics, thermoset Plastics, thermoplastic

Cutting values
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
General structural steels	≤ 850 N/mm²	25	30	1989	2387	0,060	1592	1910	0,080	1326	1592	0,100
Unalloyed quenched and tempered steels	≤ 850 N/mm²	25	30	1989	2387	0,060	1592	1910	0,080	1326	1592	0,100
Low-alloy quenched and tempered steels	≤ 850 N/mm²	25	30	1989	2387	0,060	1592	1910	0,080	1326	1592	0,100
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	22	25	1751	1989	0,060	1401	1592	0,080	1167	1326	0,100
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	22	25	1751	1989	0,060	1401	1592	0,080	1167	1326	0,100
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	10	16	796	1273	0,050	637	1019	0,060	531	849	0,080
Nitriding steels	≤ 1,200 N/mm²	10	16	796	1273	0,050	637	1019	0,060	531	849	0,080
Tool steels	≤ 1,200 N/mm²	10	16	796	1273	0,050	637	1019	0,060	531	849	0,080
High-speed steels	≤ 1,200 N/mm²	10	16	796	1273	0,050	637	1019	0,060	531	849	0,080
Cast metals
Cast iron	≤ 350 HB	28	32	2228	2546	0,060	1783	2037	0,080	1485	1698	0,100
Spheroidal graphite and malleable iron	≤ 350 HB	22	25	1751	1989	0,060	1401	1592	0,080	1167	1326	0,100
Plastics
Plastics	≤ 200 N/mm²	20	30	1592	2387	0,050	1273	1910	0,060	1061	1592	0,080

For dia. 8.0-13.0
Material designation	Tensile strength			from dia. 8.0			from dia. 10.0			from 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	25	30	995	1194	0,120	796	955	0,140	612	735	0,160
Unalloyed quenched and tempered steels	≤ 850 N/mm²	25	30	995	1194	0,120	796	955	0,140	612	735	0,160
Low-alloy quenched and tempered steels	≤ 850 N/mm²	25	30	995	1194	0,120	796	955	0,140	612	735	0,160
Unalloyed quenched and tempered steels	≤ 1,000 N/mm²	22	25	875	995	0,120	700	796	0,140	539	612	0,160
Low-alloy quenched and tempered steels	≤ 1,000 N/mm²	22	25	875	995	0,120	700	796	0,140	539	612	0,160
Alloyed quenched and tempered steels	≤ 1,200 N/mm²	10	16	398	637	0,100	318	509	0,100	245	392	0,120
Nitriding steels	≤ 1,200 N/mm²	10	16	398	637	0,100	318	509	0,100	245	392	0,120
Tool steels	≤ 1,200 N/mm²	10	16	398	637	0,100	318	509	0,100	245	392	0,120
High-speed steels	≤ 1,200 N/mm²	10	16	398	637	0,100	318	509	0,100	245	392	0,120
Cast metals
Cast iron	≤ 350 HB	28	32	1114	1273	0,120	891	1019	0,140	686	784	0,160
Spheroidal graphite and malleable iron	≤ 350 HB	22	25	875	995	0,120	700	796	0,140	539	612	0,160
Plastics
Plastics	≤ 200 N/mm²	20	30	796	1194	0,100	637	955	0,100	490	735	0,120

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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