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HSS SMART STEP sheet metal conical drill bit

Sheet metal conical drill bit HSS SMART STEP
SHTMETCONIDRL-SMARTSTEP-BIT-SZ2-(D5-20)
ZEBRA SMART STEP

Art.-no. 0694456021
EAN 4065746557597

Prices for customers after login
HSS SMART STEP sheet metal conical drill bit

Art.-no. 0694456021

Prices for customers after login
Quantity
PU
x 1 pcs

Exclusively for trade customers

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The sheet metal conical drill bit with unique SMART STEP technology and spiral groove for extremely fast, comfortable and precise use in all common materials with a material thickness of up to 4 mm.

SMART STEP technology


  • Up to 3x faster tapping compared to conventional sheet metal conical drill bits

  • Up to 50 % longer service life compared to conventional sheet metal conical drill bits

  • Significantly less effort required when drilling compared to conventional sheet metal conical drill bits

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

  • Comfortable, stepless boring or enlarging of an existing drill hole

  • Burr-free drilling without deformation of the sheet metal

  • Precise, circular drilling


Deep-ground spiral flute


Excellent chip removal



Laser scaling in the flute


Easy reading of the hole diameter during the drilling process



3-flat shank


  • 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


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



Available exclusively from Würth

Product information

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Application area
  • The universal tool for large, stepless drilling in sheet metal.

  • Centring, spot drilling, boring and deburring of sheet metal, tubes and profiles in one operation, for use on both hand drills and stationary equipment.

  • Ideal for use in the electrical trade, plumbing and heating systems, automotive workshops, mechanical engineering, switch cabinet manufacturing or container and equipment engineering.
Instructions
  • Ensure that there is sufficient coolant/lubricant.

  • Observe the rotation speed table

  • Do not push during boring. The sheet metal conical drill bit automatically retracts into the sheet metal.

Size

2

Min./max. drill diameter

5-20 mm

Length

79 mm

Shank diameter

1/4 in

Cutting material

HSS

Shank style

Hexagon bit holder, shape E, DIN3126

Surface

Uncoated

Cutting values
For dia. 3.0-14.0 and dia. 5.0-20.0
Material designationTensile strengthvcn
Dia. 3.0-14.0
Art.
dia. 5.0-20.0
art. and
Tapping (1st drilling step)toTapping (1st drilling step)to
Steels
General structural steels≤ 700 N/mm²151500350950250
Unalloyed quenched and tempered steels≤ 700 N/mm²151500350950250
≤ 900 N/mm²111100300700180
Low-alloy quenched and tempered steels≤ 700 N/mm²151500350950250
≤ 900 N/mm²111100300700180
Alloyed quenched and tempered steels≤ 1,300 N/mm²9900200550140
Nitriding steels≤ 1,300 N/mm²9900200550140
Tool steels≤ 1,300 N/mm²9900200550140
High-speed steels≤ 1,300 N/mm²9900200550140
Cast metals
Cast iron≤ 350 HB151500350950250
Spheroidal graphite and malleable iron≤ 350 HB121250270750190
Non-ferrous metals
Aluminium≤ 450 N/mm²1818004501100350
Aluminium alloys≤ 450 N/mm²1718004001100350
Low-alloy copper≤ 400 N/mm²1718004001100350
Short-chipping brass≤ 850 N/mm²1818004501100350
Long-chipping brass≤ 850 N/mm²1718004001100350
Plastics
Plastics, thermosetting 2626006001600400
Plastics, thermoplastic 2425005501500400
Cutting values
For dia. 5.0-31.0 and dia. 16.0-30.5
Material designationTensile strengthvcn
Dia. 5.0-31.0
Art.
Dia. 16.0-30.5
Art.
Tapping (1st drilling step)toTapping (1st drilling step)to
Steels
General structural steels≤ 700 N/mm²15950150290150
Unalloyed quenched and tempered steels≤ 700 N/mm²15950150290150
≤ 900 N/mm²11700110200110
Low-alloy quenched and tempered steels≤ 700 N/mm²15950150290150
≤ 900 N/mm²11700110200110
Alloyed quenched and tempered steels≤ 1,300 N/mm²9550100180100
Nitriding steels≤ 1,300 N/mm²9550100180100
Tool steels≤ 1,300 N/mm²9550100180100
High-speed steels≤ 1,300 N/mm²9550100180100
Cast metals
Cast iron≤ 350 HB15950150290150
Spheroidal graphite and malleable iron≤ 350 HB12750120240125
Non-ferrous metals
Aluminium≤ 450 N/mm²181100200360200
Aluminium alloys≤ 450 N/mm²171100200360200
Low-alloy copper≤ 400 N/mm²171100200360200
Short-chipping brass≤ 850 N/mm²181100200360200
Long-chipping brass≤ 850 N/mm²171100200360200
Plastics
Plastics, thermosetting 261600300550300
Plastics, thermoplastic 241500250500250
Cutting values
For dia. 24.0-40.0 and dia. 36.0-50.0
Material designationTensile strengthvcn
Dia. 24.0-40.0
Art.
Dia. 36.0-50.0
Art.
Tapping (1st drilling step)toTapping (1st drilling step)to
Steels
General structural steels≤ 700 N/mm²15200120130100
Unalloyed quenched and tempered steels≤ 700 N/mm²15200120130100
≤ 900 N/mm²11140859570
Low-alloy quenched and tempered steels≤ 700 N/mm²15200120130100
≤ 900 N/mm²11140859570
Alloyed quenched and tempered steels≤ 1,300 N/mm²9120758060
Nitriding steels≤ 1,300 N/mm²9120758060
Tool steels≤ 1,300 N/mm²9120758060
High-speed steels≤ 1,300 N/mm²9120758060
Cast metals
Cast iron≤ 350 HB15200120130100
Spheroidal graphite and malleable iron≤ 350 HB1216010010575
Non-ferrous metals
Aluminium≤ 450 N/mm²18250150150110
Aluminium alloys≤ 450 N/mm²17250150150110
Low-alloy copper≤ 400 N/mm²17250150150110
Short-chipping brass≤ 850 N/mm²18250150150110
Long-chipping brass≤ 850 N/mm²17250150150110
Plastics
Plastics, thermosetting 26350200230160
Plastics, thermoplastic 24350200220150
Cutting values
For dia. 40.0-61.0
Material designationTensile strengthvcn
Dia. 40.0-61.0
Art.
Tapping (1st drilling step)to
Steels
General structural steels≤ 700 N/mm²1511080
Unalloyed quenched and tempered steels≤ 700 N/mm²1511080
≤ 900 N/mm²118555
Low-alloy quenched and tempered steels≤ 700 N/mm²1511080
≤ 900 N/mm²118555
Alloyed quenched and tempered steels≤ 1,300 N/mm²97045
Nitriding steels≤ 1,300 N/mm²97045
Tool steels≤ 1,300 N/mm²97045
High-speed steels≤ 1,300 N/mm²97045
Cast metals
Cast iron≤ 350 HB1511080
Spheroidal graphite and malleable iron≤ 350 HB129060
Non-ferrous metals
Aluminium≤ 450 N/mm²1814090
Aluminium alloys≤ 450 N/mm²1714090
Low-alloy copper≤ 400 N/mm²1714090
Short-chipping brass≤ 850 N/mm²1814090
Long-chipping brass≤ 850 N/mm²1714090
Plastics
Plastics, thermosetting 26200130
Plastics, thermoplastic 24190125
Key
vc = cutting speed [m/min]
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
Drilling and cutting foam CUT+COOL

CUTFM-DRL-(CUT-COOL)-400ML

Highly active, high-performance cutting foam for all machining work.
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Example 3: Flat washer with an internal diameter of 6 mm:
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