SMART STEP EU+ HSS DIN 1869 R2 twist drill bit

Name: SMART STEP EU+ HSS DIN 1869 R2 twist drill bit
Brand: Würth
SKU: 0624960630

Twist drill bit SMART STEP EU+ HSS DIN 1869 R2
DRL-TWST-MET-DIN1869-HSS-SMARTSTEP-D6,3
ZEBRA SMART STEP

Art.-no. 0624960630

EAN 4099618280658

All versions

Specification

The extra-long SMART STEP twist drill bit with double drill heel and patent-pending stepped drill bit tip geometry with extremely uneven pitch for even faster, more comfortable drilling with unrivalled precision and service life

Extremely unequal pitch (EU+)

Up to 50 % longer service life

Significantly more comfortable drilling with less vibration, even less effort required and perfect tool guidance (up to 60 % less torque)

Up to 20 % lower energy consumption

Up to 15 % faster drilling progress

Precise, circular holes in a wide range of materials including wood, plastic and acrylic, without tearing or splintering

Extremely comfortable drilling

Eliminates pre-drilling despite the extra-long design, precise spot drilling

Prevents the tool from running off-centre even during particularly deep drilling

Simple drilling or enlarging of an existing drill hole

No rattling or catching, even in thin-walled material

Burr-free hole exit

Significantly faster drilling will less effort compared to conventional, extra-long HSS twist drill bits

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

Available exclusively from WÜRTH

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

Notice

For blind holes, please note the extended drill tip (see dimension l3)!

The steps of the innovative point geometry gradually drill to achieve the required diameter. To achieve this, the chip is broken into small individual chips by several main cutting edges, thus ensuring optimal chip removal. The result is highly precise, circular drilling.

The use of several cutting edges at the same time enables very fast, comfortable working and a long service life.

Application

Application area

Ideal for use in cordless drills as well as on hand-held, box column and pillar drills

Use in steel up to 1,000 N/mm², cast iron, aluminium, copper, brass, bronze, hard and soft wood, plastic (e.g. acrylic glass, HPL, screen printing plates) and composite materials (e.g. plastic profiles with steel core)

High quality of drill holes and significantly longer service life compared to conventional twist wood drill bits.

Can be used universally on smooth as well as rounded and uneven surfaces

Instructions

To achieve optimum drilling progress and avoid jamming, frequent "ventilation" of the drill bit is required for large drilling depths.

Technical information


Suitable for machine type	Drill, Cordless screwdrivers, Pedestal drilling machine
Material to be processed	Steel, Cast iron, Non-ferrous metal, Wood, Hardwood
Quality	ZEBRA-Premium
Standard / drilling depth	DIN 1869 / 25xD
Design	Overlong
Diameter (Ø)	6.3 mm
Length (l1)	275 mm
Chip flute length (l2)	190 mm
Drill tip length (l3)	5.5 mm
Shank diameter	6.3 mm
Shank style	3-face shank
Surface	Multiple refined
Cutting material	HSS
Service life (points system)	3 of 4 points
Drilling speed (point system)	4 of 4 points
Bore hole quality (point system) ( )	4 of 4 points
Versatility (points system)	3 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
Self-centring	Yes
Suitable for tensile strength up to	1000 N/mm²
Material of sub-group	General structural steels, Non-alloyed tempering steels, Alloyed tempering steels, Nitriding steels, Tool steels, High-speed steels, Cast iron, Ductile iron, Malleable cast iron, Aluminium, Aluminium alloys, Aluminium wrought alloys, Aluminium casting alloys (<10% silicon), Magnesium alloys, Copper, low-alloyed, Brass, short-chipping, Brass, long-chipping, Bronze, short-chipping, Bronze, long-chipping, Plastics, thermoset, Plastics, thermoplastic, Plastics, aramide-fibre reinforced, Plastics, glass/carbon-fibre-reinforced

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. 12.5-16.0
Material designation	Tensile strength			from dia. 12.5						from dia. 16.0
				≤ 6.5			> 6.5			≤ 8			> 8
		v_c		n		f	n		f	n		f	n		f
		from	to	from	to		from	to		from	to		from	to
General structural steels	≤ 850 N/mm²	18	27	881	1322	0,027	458	687	0,038	716	1074	0,03	358	537	0,04
Unalloyed hardened steels	≤ 850 N/mm²	18	27	881	1322	0,027	458	687	0,038	716	1074	0,03	358	537	0,04
Low-alloy hardened steels	≤ 850 N/mm²	18	27	881	1322	0,027	458	687	0,038	716	1074	0,03	358	537	0,04
Unalloyed hardened steels	≤ 1,000 N/mm²	15	23	734	1126	0,025	382	585	0,035	597	915	0,028	298	457	0,038
Low-alloy hardened steels	≤ 1,000 N/mm²	15	23	734	1126	0,025	382	585	0,035	597	915	0,028	298	457	0,038
Alloyed hardened steels	≤ 1,200 N/mm²	10	15	489	734	0,025	254	382	0,035	398	597	0,028	199	298	0,038
Nitriding steels	≤ 1,200 N/mm²	10	15	489	734	0,025	254	382	0,035	398	597	0,028	199	298	0,038
Tool steels	≤ 1,200 N/mm²	10	15	489	734	0,025	254	382	0,035	398	597	0,028	199	298	0,038
High-speed steels	≤ 1,200 N/mm²	10	15	489	734	0,025	254	382	0,035	398	597	0,028	199	298	0,038
Cast iron	≤ 350 HB	15	23	734	1126	0,025	382	585	0,035	597	915	0,028	298	457	0,038
Nodular graphite and malleable iron	≤ 350 HB	15	23	734	1126	0,025	382	585	0,035	597	915	0,028	298	457	0,038
Aluminium	≤ 600 N/mm²	35	45	1714	2204	0,027	891	1146	0,038	1393	1791	0,03	696	895	0,04
Thermosetting plastics		15	23	734	1126	0,027	382	585	0,038	597	915	0,03	298	457	0,04
Thermoplastic plastics		15	23	734	1126	0,027	382	585	0,038	597	915	0,03	298	457	0,04
Soft and light wood		21	30	1028	1469	0,03	535	764	0,041	836	1194	0,033	418	597	0,044
Compact and hard wood		18	27	881	1322	0,03	458	687	0,038	716	1074	0,032	358	537	0,041

Cutting values for SMART STEP EU+ HSS DIN 1869 R2 twist drill bit
For dia. 2.5-4.0
Material designation	Tensile strength			from dia. 2.5			from dia. 3.15			from dia. 4.0
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
General structural steels	≤ 850 N/mm²	18	27	2292	3439	0,015	1819	2729	0,017	1433	2149	0,02
Unalloyed hardened steels	≤ 850 N/mm²	18	27	2292	3439	0,015	1819	2729	0,017	1433	2149	0,02
Low-alloy hardened steels	≤ 850 N/mm²	18	27	2292	3439	0,015	1819	2729	0,017	1433	2149	0,02
Unalloyed hardened steels	≤ 1,000 N/mm²	15	23	1910	2929	0,012	1516	2325	0,015	1194	1831	0,018
Low-alloy hardened steels	≤ 1,000 N/mm²	15	23	1910	2929	0,012	1516	2325	0,015	1194	1831	0,018
Alloyed hardened steels	≤ 1,200 N/mm²	10	15	1273	1910	0,012	1011	1516	0,015	796	1194	0,018
Nitriding steels	≤ 1,200 N/mm²	10	15	1273	1910	0,012	1011	1516	0,015	796	1194	0,018
Tool steels	≤ 1,200 N/mm²	10	15	1273	1910	0,012	1011	1516	0,015	796	1194	0,018
High-speed steels	≤ 1,200 N/mm²	10	15	1273	1910	0,012	1011	1516	0,015	796	1194	0,018
Cast iron	≤ 350 HB	15	23	1910	2929	0,012	1516	2325	0,015	1194	1831	0,018
Nodular graphite and malleable iron	≤ 350 HB	15	23	1910	2929	0,012	1516	2325	0,015	1194	1831	0,018
Aluminium	≤ 600 N/mm²	35	45	4458	5732	0,015	3538	4549	0,016	2786	3582	0,02
Thermosetting plastics		15	23	1910	2929	0,015	1516	2325	0,016	1194	1831	0,02
Thermoplastic plastics		15	23	1910	2929	0,015	1516	2325	0,016	1194	1831	0,02
Soft and light wood		21	30	2675	3821	0,017	2123	3033	0,018	1672	2388	0,023
Compact and hard wood		18	27	2292	3439	0,015	1819	2729	0,018	1433	2149	0,022

For dia. 8.0-10.0
Material designation	Tensile strength			from dia. 8.0			from dia. 10.0
							≤ 6			> 6
		v_c		n		f	n		f	n		f
		from	to	from	to		from	to		from	to
General structural steels	≤ 850 N/mm²	18	27	716	1074	0,03	955	1433	0,027	573	859	0,035
Unalloyed hardened steels	≤ 850 N/mm²	18	27	716	1074	0,03	955	1433	0,027	573	859	0,035
Low-alloy hardened steels	≤ 850 N/mm²	18	27	716	1074	0,03	955	1433	0,027	573	859	0,035
Unalloyed hardened steels	≤ 1,000 N/mm²	15	23	597	915	0,028	796	1220	0,025	477	732	0,031
Low-alloy hardened steels	≤ 1,000 N/mm²	15	23	597	915	0,028	796	1220	0,025	477	732	0,031
Alloyed hardened steels	≤ 1,200 N/mm²	10	15	398	597	0,028	530	796	0,025	318	477	0,031
Nitriding steels	≤ 1,200 N/mm²	10	15	398	597	0,028	530	796	0,025	318	477	0,031
Tool steels	≤ 1,200 N/mm²	10	15	398	597	0,028	530	796	0,025	318	477	0,031
High-speed steels	≤ 1,200 N/mm²	10	15	398	597	0,028	530	796	0,025	318	477	0,031
Cast iron	≤ 350 HB	15	23	597	915	0,028	796	1220	0,025	477	732	0,031
Nodular graphite and malleable iron	≤ 350 HB	15	23	597	915	0,028	796	1220	0,025	477	732	0,031
Aluminium	≤ 600 N/mm²	35	45	1393	1791	0,03	1857	2388	0,027	1114	1433	0,035
Thermosetting plastics		15	23	597	915	0,03	796	1220	0,027	477	732	0,035
Thermoplastic plastics		15	23	597	915	0,03	796	1220	0,027	477	732	0,035
Soft and light wood		21	30	836	1194	0,033	1114	1592	0,03	668	955	0,038
Compact and hard wood		18	27	716	1074	0,032	955	1433	0,03	573	859	0,036

For dia. 5.0-6.3
Material designation	Tensile strength			from dia. 5.0			from dia. 6.3
		v_c		n		f	n		f
		from	to	from	to		from	to
General structural steels	≤ 850 N/mm²	18	27	1146	1719	0,025	909	1364	0,027
Unalloyed hardened steels	≤ 850 N/mm²	18	27	1146	1719	0,025	909	1364	0,027
Low-alloy hardened steels	≤ 850 N/mm²	18	27	1146	1719	0,025	909	1364	0,027
Unalloyed hardened steels	≤ 1,000 N/mm²	15	23	955	1464	0,021	758	1162	0,025
Low-alloy hardened steels	≤ 1,000 N/mm²	15	23	955	1464	0,021	758	1162	0,025
Alloyed hardened steels	≤ 1,200 N/mm²	10	15	636	955	0,021	505	758	0,025
Nitriding steels	≤ 1,200 N/mm²	10	15	636	955	0,021	505	758	0,025
Tool steels	≤ 1,200 N/mm²	10	15	636	955	0,021	505	758	0,025
High-speed steels	≤ 1,200 N/mm²	10	15	636	955	0,021	505	758	0,025
Cast iron	≤ 350 HB	15	23	955	1464	0,021	758	1162	0,025
Nodular graphite and malleable iron	≤ 350 HB	15	23	955	1464	0,021	758	1162	0,025
Aluminium	≤ 600 N/mm²	35	45	2229	2866	0,025	1769	2274	0,027
Thermosetting plastics		15	23	955	1464	0,025	758	1162	0,027
Thermoplastic plastics		15	23	955	1464	0,025	758	1162	0,027
Soft and light wood		21	30	1338	1910	0,028	1061	1516	0,03
Compact and hard wood		18	27	1146	1719	0,027	909	1364	0,03

Documents

Product information

Würth Catalogue (2)

Flip Book

Catalogue page as PDF 1

Datasheets (0)

Certificates/ Documents (2)

Marketing info 1

Marketing info 2

Accessory

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SMART STEP EU+ HSS DIN 1869 R2 twist drill bit

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Technical information

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