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SMART STEP EU+ HSS DIN 340 twist drill bit

Twist drill bit SMART STEP EU+ HSS DIN 340
DRL-TWST-MET-DIN340-HSS-SMARTSTEP-D9,0MM
ZEBRA SMART STEP

Art.-no. 0624920900
EAN 4099618232336

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SMART STEP EU+ HSS DIN 340 twist drill bit

Art.-no. 0624920900

Prices for customers after login
Quantity
PU
x 1 pcs

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The long SMART STEP twist drill bit with patent-pending stepped drill bit tip geometry with extremely uneven pitch (from dia. 2.5 mm) 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 drilling in a wide range of materials including wood, plastic and acrylic, without tearing or splintering



Extremely comfortable drilling


  • Saves pre-drilling, precise tapping without running off centre

  • Simple boring or enlarging of an existing drill hole

  • Angled drilling possible

  • No rattling or catching - even with thin-walled material

  • Burr-free hole exit


Significantly faster and more energy-efficient drilling compared to conventional HSS twist drill bits



Ideal for drilling out rivets and stud bolts



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

  • Little effort required to loosen and tighten the drill chuck


Available exclusively from WÜRTH



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

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.
Product information

Datasheets(X)

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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.

  • Perfect for rivet holes, drilling out stud bolts, drilling sheet metal and thin-walled profile materials (e.g. aluminium/window profiles) and for drilling on round and sloping surfaces, such as pipes.

  • Ideal for high-precision, comfortable and fast working in solid materials (e.g. in steel with strength of up to 1,000 N/mm², aluminium and plastics).

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 340 / 10xD

Diameter (Ø)

9 mm

Length (l1)

175 mm

Chip flute length (l2)

115 mm

Drill tip length (l3)

9.6 mm

Shank diameter

9 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
Cast iron
Ductile iron
Malleable cast iron
Magnesium alloys
Copper, low-alloyed
Brass, short-chipping
Brass, long-chipping
Plastics, thermoset
Plastics, thermoplastic

Cutting values for SMART STEP EU+ HSS DIN 340 twist drill bit
For dia. 1.0-2.5
Material designationTensile strength from dia. 1.0from dia. 2.0from dia. 2.5
vcnf nfnf
fromtofromto fromto fromto
General structural steels≤ 850 N/mm²1827573285980,01286642990,012229234390,015
Unalloyed hardened steels≤ 850 N/mm²1827573285980,01286642990,012229234390,015
Low-alloy hardened steels≤ 850 N/mm²1827573285980,01286642990,012229234390,015
Unalloyed hardened steels≤ 1,000 N/mm²1523477773240,008238836620,01191029290,012
Low-alloy hardened steels≤ 1,000 N/mm²1523477773240,008238836620,01191029290,012
Alloyed hardened steels≤ 1,200 N/mm²1015318447770,008159223880,01127319100,012
Nitriding steels≤ 1,200 N/mm²1015318447770,008159223880,01127319100,012
Tool steels≤ 1,200 N/mm²1015318447770,008159223880,01127319100,012
High-speed steels≤ 1,200 N/mm²1015318447770,008159223880,01127319100,012
Cast iron≤ 350 HB1523477773240,008238836620,01191029290,012
Nodular graphite and malleable iron≤ 350 HB1523477773240,008238836620,01191029290,012
Aluminium≤ 600 N/mm²354511146143310,01557371650,012445857320,015
Thermosetting plastics 1523477773240,01238836620,012191029290,015
Thermoplastic plastics 1523477773240,01238836620,012191029290,015
Soft and light wood 2130668895540,012334447770,014267538210,017
Compact and hard wood 1827573285980,01286642990,013229234390,015
For dia. 3.15-5.0
Material designationTensile strength from dia. 3.15from dia. 4.0from dia. 5.0
vcnf nfnf
fromtofromto fromto fromto
General structural steels≤ 850 N/mm²1827181927290,017143321490,02114617190,025
Unalloyed hardened steels≤ 850 N/mm²1827181927290,017143321490,02114617190,025
Low-alloy hardened steels≤ 850 N/mm²1827181927290,017143321490,02114617190,025
Unalloyed hardened steels≤ 1,000 N/mm²1523151623250,015119418310,01895514640,021
Low-alloy hardened steels≤ 1,000 N/mm²1523151623250,015119418310,01895514640,021
Alloyed hardened steels≤ 1,200 N/mm²1015101115160,01579611940,0186369550,021
Nitriding steels≤ 1,200 N/mm²1015101115160,01579611940,0186369550,021
Tool steels≤ 1,200 N/mm²1015101115160,01579611940,0186369550,021
High-speed steels≤ 1,200 N/mm²1015101115160,01579611940,0186369550,021
Cast iron≤ 350 HB1523151623250,015119418310,01895514640,021
Nodular graphite and malleable iron≤ 350 HB1523151623250,015119418310,01895514640,021
Aluminium≤ 600 N/mm²3545353845490,016278635820,02222928660,025
Thermosetting plastics 1523151623250,016119418310,0295514640,025
Thermoplastic plastics 1523151623250,016119418310,0295514640,025
Soft and light wood 2130212330330,018167223880,023133819100,028
Compact and hard wood 1827181927290,018143321490,022114617190,027
For dia. 6.3-10.0
Material designationTensile strength from dia. 6.3from dia. 8.0from dia. 10.0
vcnf nfnfnf
fromtofromto fromto fromto fromto
≤ 6> 6
General structural steels≤ 850 N/mm²182790913640,02771610740,0395514330,0275738590,035
Unalloyed hardened steels≤ 850 N/mm²182790913640,02771610740,0395514330,0275738590,035
Low-alloy hardened steels≤ 850 N/mm²182790913640,02771610740,0395514330,0275738590,035
Unalloyed hardened steels≤ 1,000 N/mm²152375811620,0255979150,02879612200,0254777320,031
Low-alloy hardened steels≤ 1,000 N/mm²152375811620,0255979150,02879612200,0254777320,031
Alloyed hardened steels≤ 1,200 N/mm²10155057580,0253985970,0285307960,0253184770,031
Nitriding steels≤ 1,200 N/mm²10155057580,0253985970,0285307960,0253184770,031
Tool steels≤ 1,200 N/mm²10155057580,0253985970,0285307960,0253184770,031
High-speed steels≤ 1,200 N/mm²10155057580,0253985970,0285307960,0253184770,031
Cast iron≤ 350 HB152375811620,0255979150,02879612200,0254777320,031
Nodular graphite and malleable iron≤ 350 HB152375811620,0255979150,02879612200,0254777320,031
Aluminium≤ 600 N/mm²3545176922740,027139317910,03185723880,027111414330,035
Thermosetting plastics 152375811620,0275979150,0379612200,0274777320,035
Thermoplastic plastics 152375811620,0275979150,0379612200,0274777320,035
Soft and light wood 2130106115160,0383611940,033111415920,036689550,038
Compact and hard wood 182790913640,0371610740,03295514330,035738590,036
For dia. 12.5-16.0
Material designationTensile strength from dia. 12.5from dia. 16.0
vcnf nfnfnf
fromtofromto fromto fromto fromto
≤ 6.5> 6.5≤ 8> 8
General structural steels≤ 850 N/mm²182788113220,0274586870,03871610740,033585370,04
Unalloyed hardened steels≤ 850 N/mm²182788113220,0274586870,03871610740,033585370,04
Low-alloy hardened steels≤ 850 N/mm²182788113220,0274586870,03871610740,033585370,04
Unalloyed hardened steels≤ 1,000 N/mm²152373411260,0253825850,0355979150,0282984570,038
Low-alloy hardened steels≤ 1,000 N/mm²152373411260,0253825850,0355979150,0282984570,038
Alloyed hardened steels≤ 1,200 N/mm²10154897340,0252543820,0353985970,0281992980,038
Nitriding steels≤ 1,200 N/mm²10154897340,0252543820,0353985970,0281992980,038
Tool steels≤ 1,200 N/mm²10154897340,0252543820,0353985970,0281992980,038
High-speed steels≤ 1,200 N/mm²10154897340,0252543820,0353985970,0281992980,038
Cast iron≤ 350 HB152373411260,0253825850,0355979150,0282984570,038
Nodular graphite and malleable iron≤ 350 HB152373411260,0253825850,0355979150,0282984570,038
Aluminium≤ 600 N/mm²3545171422040,02789111460,038139317910,036968950,04
Thermosetting plastics 152373411260,0273825850,0385979150,032984570,04
Thermoplastic plastics 152373411260,0273825850,0385979150,032984570,04
Soft and light wood 2130102814690,035357640,04183611940,0334185970,044
Compact and hard wood 182788113220,034586870,03871610740,0323585370,041
Key
vc = 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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