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Twist drill bit HSCo DIN 338 Type RN MFD VARIO

Twist drill bit HSCo DIN 338 type RN MFD VARIO
DRL-TWST-MET-DIN338-HSCO-MFDV-D8,8
ZEBRA

Art.-no. 0626050880
EAN 4052712045301

Prices for customers after login
Twist drill bit HSCo DIN 338 Type RN MFD VARIO

Art.-no. 0626050880

Prices for customers after login
Quantity
PU
x 1 pcs

Exclusively for trade customers

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Premium all-rounder for use in stationary machines for high-precision machining of almost all materials, such as stainless steel, heat-resistant steels and titanium and for general applications in conventional steel up to 1,400 N/mm² as well as in cast iron and non-ferrous metals (e.g. magnesium alloys, brass, bronze, plastic).

Low friction and fast chip removal


Exclusive Vario helix



Optimal centring properties and maximum speed


Special design with four cutting edges with optimised point thinning



Optimal guiding properties and precision (extremely high torsional rigidity)


Combination of double drill heel with a single drill heel



Up to 9x longer service life compared to uncoated drill bits and up to 2x longer service life compared to conventional coatings (heat-resistant up to 800 °C)


Special magma multi-layer coating



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



Available exclusively from Würth

Notice

See overview tables for drill bit/material assignments

Product information

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Suitable for machine type

Milling/drill center
Pedestal drilling machine

Material to be processed

Steel
Stainless steel
Cast iron
Titanium
Special alloy
Non-ferrous metal

Quality

ZEBRA-Premium

Standard / drilling depth

DIN 338 / 5xD

Diameter (Ø)

8.8 mm

Length (l1)

125 mm

Chip flute length (l2)

81 mm

Shank diameter

8.8 mm

Shank style

Cylindrical

Surface

Magma multilayer coating

Cutting material

HSCo

Type

RN

Angle of the tip

118 Degree

Service life (points system)

4 of 4 points

Drilling speed (point system)

4 of 4 points

Bore hole quality (point system) ( )

4 of 4 points

Versatility (points system)

4 of 4 points

Drilling behaviour (point system)

4 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)

4 of 4 points

Suitable for milling-drilling centre (points system)

4 of 4 points

Self-centring

Yes

Suitable for tensile strength up to

1400 N/mm²

Material of sub-group

General structural steels
Non-alloyed tempering steels
Alloyed tempering 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
Special alloys
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

Cutting values
For dia. 1.0–2.5
Material designationTensile strength from dia. 1.0from dia. 2.0from dia. 2.5
vcnf nfnf
FromToFromTo FromTo FromTo
Steels
General structural steels≤ 850 N/mm²364811459152790,018573076390,063458461120,080
Unalloyed heat-treated steels≤ 850 N/mm²364811459152790,018573076390,063458461120,080
Low-alloy heat-treated steels≤ 850 N/mm²364811459152790,018573076390,063458461120,080
Unalloyed heat-treated steels≤ 1000 N/mm²344210823133690,016541166850,050432953480,063
Low-alloy heat-treated steels≤ 1000 N/mm²344210823133690,016541166850,050432953480,063
Alloyed heat-treated steels≤ 1200 N/mm²1628509389130,012254644560,032203735650,040
Nitriding steels≤ 1200 N/mm²1628509389130,012254644560,032203735650,040
Tool steels≤ 1200 N/mm²1628509389130,012254644560,032203735650,040
High-speed steels≤ 1200 N/mm²1628509389130,012254644560,032203735650,040
Stainless steels
Stainless steels≤ 1,2001218382057300,014191028650,040152822920,050
Titanium and titanium alloys≤ 850 N/mm²812254638200,008127319100,025101915280,032
Special alloys≤ 1,20057159222280,00679611140,0206378910,025
Hard materials
Spring steels≤ 330 HB1628509389130,012254644560,032203735650,040
Cast metals
Cast iron≤ 350 HB404512732143240,018636671620,063509357300,080
Spheroidal graphite and malleable iron≤ 350 HB27348594108230,018429754110,063343843290,080
Plastics
Plastics≤ 200 N/mm²20406366127320,016318363660,050254650930,063
For dia. 3.15–5.0
Material designationTensile strength from dia. 3.15from dia. 4.0from dia. 5.0
vcnf nfnf
FromToFromTo FromTo FromTo
Steels
General structural steels≤ 850 N/mm²3648363848500,100286538200,125229230560,125
Unalloyed heat-treated steels≤ 850 N/mm²3648363848500,100286538200,125229230560,125
Low-alloy heat-treated steels≤ 850 N/mm²3648363848500,100286538200,125229230560,125
Unalloyed heat-treated steels≤ 1000 N/mm²3442343642440,080270633420,100216526740,100
Low-alloy heat-treated steels≤ 1000 N/mm²3442343642440,080270633420,100216526740,100
Alloyed heat-treated steels≤ 1200 N/mm²1628161728290,050127322280,063101917830,063
Nitriding steels≤ 1200 N/mm²1628161728290,050127322280,063101917830,063
Tool steels≤ 1200 N/mm²1628161728290,050127322280,063101917830,063
High-speed steels≤ 1200 N/mm²1628161728290,050127322280,063101917830,063
Stainless steels
Stainless steels≤ 1,2001218121318190,06395514320,08076411460,080
Titanium and titanium alloys≤ 850 N/mm²81280812130,0406379550,0505097640,050
Special alloys≤ 1,200575057070,0323985570,0403184460,040
Hard materials
Spring steels≤ 330 HB1628161728290,050127322280,063101917830,063
Cast metals
Cast iron≤ 350 HB4045404245470,100318335810,125254628650,125
Spheroidal graphite and malleable iron≤ 350 HB2734272834360,100214927060,125171921650,125
Plastics
Plastics≤ 200 N/mm²2040202140420,080159231830,100127325460,100
For dia. 6.3–10.0
Material designationTensile strength from dia. 6.3from dia. 8.0from dia. 10.0
vcnf nfnf
FromToFromTo FromTo FromTo
Steels
General structural steels≤ 850 N/mm²3648181924250,160143219100,200114615280,250
Unalloyed heat-treated steels≤ 850 N/mm²3648181924250,160143219100,200114615280,250
Low-alloy heat-treated steels≤ 850 N/mm²3648181924250,160143219100,200114615280,250
Unalloyed heat-treated steels≤ 1000 N/mm²3442171821220,125135316710,160108213370,200
Low-alloy heat-treated steels≤ 1000 N/mm²3442171821220,125135316710,160108213370,200
Alloyed heat-treated steels≤ 1200 N/mm²162880814150,08063711140,1005098910,125
Nitriding steels≤ 1200 N/mm²162880814150,08063711140,1005098910,125
Tool steels≤ 1200 N/mm²162880814150,08063711140,1005098910,125
High-speed steels≤ 1200 N/mm²162880814150,08063711140,1005098910,125
Stainless steels
Stainless steels≤ 1,20012186069090,1004777160,1253825730,160
Titanium and titanium alloys≤ 850 N/mm²8124046060,0633184770,0802553820,100
Special alloys≤ 1,200572533540,0501992790,0631592230,080
Hard materials
Spring steels≤ 330 HB162880814150,08063711140,1005098910,125
Cast metals
Cast iron≤ 350 HB4045202122740,160159217900,200127314320,250
Spheroidal graphite and malleable iron≤ 350 HB2734136417180,160107413530,20085910820,250
Plastics
Plastics≤ 200 N/mm²2040101120210,12579615920,16063712730,200
For dia. 12.5–20.0
Material designationTensile strength from dia. 12.5from dia. 16.0from dia. 20.0
vcnf nfnf
FromToFromTo FromTo FromTo
Steels
General structural steels≤ 850 N/mm²364891712220,2507169550,3155737640,400
Unalloyed heat-treated steels≤ 850 N/mm²364891712220,2507169550,3155737640,400
Low-alloy heat-treated steels≤ 850 N/mm²364891712220,2507169550,3155737640,400
Unalloyed heat-treated steels≤ 1000 N/mm²344286610700,2006768360,2505416680,315
Low-alloy heat-treated steels≤ 1000 N/mm²344286610700,2006768360,2505416680,315
Alloyed heat-treated steels≤ 1200 N/mm²16284077130,1253185570,1602554460,200
Nitriding steels≤ 1200 N/mm²16284077130,1253185570,1602554460,200
Tool steels≤ 1200 N/mm²16284077130,1253185570,1602554460,200
High-speed steels≤ 1200 N/mm²16284077130,1253185570,1602554460,200
Stainless steels
Stainless steels≤ 1,20012183064580,1602393580,2001912860,250
Titanium and titanium alloys≤ 850 N/mm²8122043060,1001592390,1251271910,160
Special alloys≤ 1,200571271780,080991390,100801110,125
Hard materials
Spring steels≤ 330 HB16284077130,1253185570,1602554460,200
Cast metals
Cast iron≤ 350 HB4045101911460,2507968950,3156377160,400
Spheroidal graphite and malleable iron≤ 350 HB27346888660,2505376760,3154305410,400
Plastics
Plastics≤ 200 N/mm²204050910190,2003987960,2503186370,315
Legend
vc = 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.
Additional accessory:
 
Product
Description
Quantity
PU
Price
/PU
CUT+COOL Perfect drilling and cutting oil

CUTOIL-PERFECT-(CUT-COOL)-5LTR

High-performance cutting oil for the heaviest machining work and higher cutting speeds
x 1 pcs
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