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Twist drill bit HSS DIN 1869 R2 SMART STEP

Twist drill bit HSS DIN 1869 R2 SMART STEP
DRL-TWST-MET-DIN1869-HSS-SMARTSTEP-D4,5
ZEBRA SMART STEP

Art.-no. 0624950450
EAN 4065746542999

Prices for customers after login
Twist drill bit HSS DIN 1869 R2 SMART STEP

Art.-no. 0624950450

Prices for customers after login
Quantity
PU
x 3 pcs

Exclusively for trade customers

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The extra-long deep hole drill with unique SMART STEP technology for high-precision circular drilling in hand-guided use in soft and hardwood, composite materials, steel up to 1000 N/mm², cast iron, aluminium, plastic, copper, brass and bronze

The first extra-long twist drill bit with stepped drill bit tip geometry



Precise, circular drilling without centre-punching



Up to 100 % faster than conventional extra-long HSS drill bits



Extremely comfortable drilling


  • Saves pre-drilling despite the extra-long design, precise tapping

  • Prevents the tool from running off centre even with particularly deep drilling

  • Significantly less effort required when drilling compared to conventional extra-long twist drill bits

  • Simple boring or enlarging of an existing drill hole


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

Notice

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

Product information

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Application area
  • Ideal for drilling thin-walled composite materials, e.g. in window construction (plastic profiles with steel core)

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

  • Perfect for cordless drill drivers as well as handheld and pillar drill and drill presses

  • Universally suited for smooth as well as rounded and uneven surfaces
Instructions

For optimum drilling progress and to avoid jamming, use “pecking cycles” for large drilling depths.

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)

4.5 mm

Length (l1)

235 mm

Chip flute length (l2)

160 mm

Drill tip length (l3)

3.3 mm

Shank diameter

4.5 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

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