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Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM
Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM - 1
Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM - 2
Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM - 3
Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM - 4
Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM - 5
Twist drill bit HSS DIN 338 SMART STEP - DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM - 6

Twist drill bit HSS DIN 338 SMART STEP

Twist drill HSS DIN 338 SMART STEP
DRL-TWST-MET-DIN338-HSS-SMARTSTEP-10,0MM
ZEBRA SMART STEP

Art.-no. 0624931000
EAN 4061975499226
All versions

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The manually operated high-performance drill with unique SMART STEP technology (from dia. 2.5 mm) for high-precision circular drill holes in steel up to 1000 N/mm2, aluminium, plastic, non-ferrous metals, hard and soft wood.

The original SMART STEP: First twist drill bit with stepped drill bit tip geometry (from dia. 2.5 mm)



Precise circular holes



Extremely convenient drilling


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

  • Tilted drilling possible

  • Simple drilling or enlarging of an existing drill hole


Significantly quicker than conventional ground twist drill bits



Perfect for drilling out rivets and stud bolts



The first twist drill bit to enable precise hand-guided drilling up to dia. 20 mm without pre-drilling, and when used on a drill press even allows precise drilling up to dia. 26.5 mm without pre-drilling


From drill diameter > 13.0 mm, shank reduced to dia. 12.7 mm for use in all common 3-jaw drill chucks



3-face shank (from dia. 4 mm)


  • No twisting in the drill chuck: faster, more comfortable working

  • Optimum transmission of forces

  • Protection of the drill chuck from damage

  • Little effort required to open and close the drill chuck


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

Notice

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

Product information

Wurth Catalogue

Datasheets(X)

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Application area
  • Perfect for rivet holes, drilling out stud bolts, for drilling sheet metal and thin-walled profile materials (e.g. aluminium/window profiles).

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

  • Ideal for high-precision, comfortable and quick work in solid materials (e.g. in steel with strength of up to 1000 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 338 / 5xD

Diameter (Ø)

10 mm

Length (l1)

133 mm

Chip flute length (l2)

87 mm

Drill tip length (l3)

10 mm

Shank style

3-face shank

Surface

Multiple refined

Cutting material

HSS

Type

SMART STEP

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 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/mm²25377,9589,5490,0163,9794,7750,0503,1833,8200,063
Unalloyed heat-treated steels≤ 850 N/mm²25377,9589,5490,0163,9794,7750,0503,1833,8200,063
Low-alloy heat-treated steels≤ 850 N/mm²25377,9589,5490,0163,9794,7750,0503,1833,8200,063
Unalloyed heat-treated steels≤ 1,000 N/mm²22317,0037,9580,0143,5013,9790,0402,8013,1830,050
Low-alloy heat-treated steels≤ 1,000 N/mm²22317,0037,9580,0143,5013,9790,0402,8013,1830,050
Alloyed heat-treated steels≤ 1,000 N/mm²10203,1835,0930,0121,5922,5460,0321,2732,0370,040
Nitriding steels≤ 1,000 N/mm²10203,1835,0930,0121,5922,5460,0321,2732,0370,040
Tool steels≤ 1,000 N/mm²10203,1835,0930,0121,5922,5460,0321,2732,0370,040
High-speed steels≤ 1,000 N/mm²10203,1835,0930,0121,5922,5460,0321,2732,0370,040
Cast metals
Cast iron≤ 350 HB22318,91310,1860,0184,4565,0930,0633,5654,0740,080
Spheroidal graphite and malleable iron≤ 350 HB22317,0037,9580,0183,5013,9790,0632,8013,1830,080
Non-ferrous metal
Aluminium≤ 600 N/mm²406012,73219,0990,0186,3669,5490,0635,0937,6390,080
Plastics
Plastics, thermosetting 20376,3669,5490,0163,1834,7750,0502,5463,8200,063
Plastics, thermoplastic 20374,7779,5490,0163,1834,7750,0502,5463,8200,063
Wood
Softwood 25377,9589,5490,0163,9794,7750,0503,1833,8200,063
Hardwood
Hardwood 22317,0037,9580,0143,5013,9790,0402,8013,1830,050
Cutting values
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/mm²25372,5263,0320,0801,9892,3870,1001,8312,1970,115
Unalloyed heat-treated steels≤ 850 N/mm²25372,5263,0320,0801,9892,3870,1001,8312,1970,115
Low-alloy heat-treated steels≤ 850 N/mm²25372,5263,0320,0801,9892,3870,1001,8312,1970,115
Unalloyed heat-treated steels≤ 1,000 N/mm²22312,2232,5260,0631,7511,9890,0801,6111,8310,092
Low-alloy heat-treated steels≤ 1,000 N/mm²22312,2232,5260,0631,7511,9890,0801,6111,8310,092
Alloyed heat-treated steels≤ 1,000 N/mm²10201,0111,6170,0507961,2730,0637331,1720,072
Nitriding steels≤ 1,000 N/mm²10201,0111,6170,0507961,2730,0637331,1720,072
Tool steels≤ 1,000 N/mm²10201,0111,6170,0507961,2730,0637331,1720,072
High-speed steels≤ 1,000 N/mm²10201,0111,6170,0507961,2730,0637331,1720,072
Cast metals
Cast iron≤ 350 HB22312,8293,2340,1002,2282,5460,1252,0502,3430,144
Spheroidal graphite and malleable iron≤ 350 HB22312,2232,5260,1001,7511,9890,1251,6111,8310,144
Non-ferrous metal
Aluminium≤ 600 N/mm²40604,0426,0630,1003,1834,7750,1252,5463,8200,125
Plastics
Plastics, thermosetting 20372,0213,0320,0801,5922,3870,1001,4642,1970,115
Plastics, thermoplastic 20372,0213,0320,0801,5922,3870,1001,4642,1970,115
Wood
Softwood 25372,5263,0320,0801,9892,3870,1001,8312,1970,115
Hardwood
Hardwood 22312,2232,5260,0631,7511,9890,0801,6111,8310,092
Cutting values
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/mm²25371,6421,9710,1631,2941,5520,2081,0351,2420,260
Unalloyed heat-treated steels≤ 850 N/mm²25371,6421,9710,1631,2941,5520,2081,0351,2420,260
Low-alloy heat-treated steels≤ 850 N/mm²25371,6421,9710,1631,2941,5520,2081,0351,2420,260
Unalloyed heat-treated steels≤ 1,000 N/mm²22311,4461,6420,1301,1381,2940,1639101,0350,208
Low-alloy heat-treated steels≤ 1,000 N/mm²22311,4461,6420,1301,1381,2940,1639101,0350,208
Alloyed heat-treated steels≤ 1,000 N/mm²10206571,0500,1045178280,1304136620,163
Nitriding steels≤ 1,000 N/mm²10206571,0500,1045178280,1304136620,163
Tool steels≤ 1,000 N/mm²10206571,0500,1045178280,1304136620,163
High-speed steels≤ 1,000 N/mm²10206571,0500,1045178280,1304136620,163
Cast metals
Cast iron≤ 350 HB22311,8402,1020,2081,4481,6550,2601,1581,3250,325
Spheroidal graphite and malleable iron≤ 350 HB22311,4461,6420,2081,1381,2940,2609101,0350,325
Non-ferrous metal
Aluminium≤ 600 N/mm²40602,0213,0320,1601,5922,3870,2001,2731,9100,250
Plastics
Plastics, thermosetting 20371,3141,9710,1631,0351,5520,2088281,2420,260
Plastics, thermoplastic 20371,3141,9710,1631,0351,5520,2088281,2420,260
Wood
Softwood 25371,6421,9710,1631,2941,5520,2081,0351,2420,260
Hardwood
Hardwood 22311,4461,6420,1301,1381,2940,1639101,0350,208
Cutting values
For dia. 12.5
Material designationTensile strength From dia. 12.5
vcnf
fromtofromto
Steels
General structural steels≤ 850 N/mm²25377969550,250
Unalloyed heat-treated steels≤ 850 N/mm²25377969550,250
Low-alloy heat-treated steels≤ 850 N/mm²25377969550,250
Unalloyed heat-treated steels≤ 1,000 N/mm²22317007960,200
Low-alloy heat-treated steels≤ 1,000 N/mm²22317007960,200
Alloyed heat-treated steels≤ 1,000 N/mm²10203195090,156
Nitriding steels≤ 1,000 N/mm²10203195090,156
Tool steels≤ 1,000 N/mm²10203195090,156
High-speed steels≤ 1,000 N/mm²10203195090,156
Cast metals
Cast iron≤ 350 HB22318911,0190,313
Spheroidal graphite and malleable iron≤ 350 HB22317007960,313
Non-ferrous metal
Aluminium≤ 600 N/mm²40601,0191,5280,250
Plastics
Plastics, thermosetting 20376369550,250
Plastics, thermoplastic 20376369550,250
Wood
Softwood 25377969550,250
Hardwood
Hardwood 22317007960,200
Legend
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.
Additional accessory:
 
Product
Description
Quantity
PU
Price
/PU

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CUTPAST-DRILL-(CUT-COOL-PERFECT)-500ML

Optimum results and safety for all materials and applications

CUTOIL-DRILL-(CUT-COOL)-400ML

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Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
VVVVAAABBB
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076

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