Twist drill bit HSS DIN 1869 R2 SMART STEP
Twist drill bit HSS DIN 1869 R2 SMART STEP
DRL-TWST-MET-DIN1869-HSS-SMARTSTEP-D5,0
ZEBRA SMART STEP
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The first extra-long twist drill bit with step drill tip geometry
Precise circular holes without centre-punching
Up to 100 % faster than conventional extra-long HSS drill bits
Extremely convenient drilling
- Precise tapping and no need for pre-drilling despite the extra-long design
- Prevents tool from running off even in extra deep holes
- Significantly less effort compared to drilling with a conventional extra-long twist drill bit
- Simple reboring or enlarging of an existing drill hole
3-face shank
- No twisting in the drill chuck: faster, more comfortable working
- Optimum transfer of force
- Protection of the drill chuck from damage
- Little effort required to open and close the drill chuck
Sustainable product packaging made from 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® in Bronze
Available exclusively from Wurth
For blind holes, please note the extended drill tip (see dimension l3)!
Datasheets(X)
- 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
For optimum drilling progress and to avoid jamming, use “pecking cycles” for large drilling depths.
 | |
Suitable for machine type | Drill |
Material to be processed | Steel |
Quality | ZEBRA-Premium |
Standard / drilling depth | DIN 1869 / 25xD |
Design | Overlong |
Diameter (Ø) | 5 mm |
Length (l1) | 245 mm |
Chip flute length (l2) | 170 mm |
Drill tip length (l3) | 3.9 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 |
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