HSS SMART STEP stepped twist drill bit
Stepped twist drill bit HSS SMART STEP
DRL-STEP-SPRL-SMARTSTEP-(D6-30MM)
ZEBRA SMART STEP
Art.-no.
0694450630
EAN 4065746562195
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Stepped drill bit with unique SMART STEP technology and dynamically curved rake between the individual step transitions for extremely fast and comfortable use in all common materials with a material thickness of up to 3.5 mm.
Dynamically curved rake between each step transition
- Significantly longer service life compared to conventional stepped drill bits
- Significantly faster drilling compared to conventional stepped drill bits
- Little effort required
- Smooth, perfectly controlled drilling process
- Greatly reduced formation of burrs
SMART STEP technology
- Up to 3x faster tapping compared to conventional stepped drill bits
- Precision tapping without centring or centre-punching
- No warping of sheet metal
- Simple boring or enlarging of an existing drill hole
- No rattling or catching in the material
- Precise, circular drilling without tearing or splintering
Deep-ground spiral flute
Excellent chip removal
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
Datasheets(X)
Application area
- The ideal tool for machining 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 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 stepped drill bit automatically retracts into the sheet metal
Min./max. drill diameter | 6-30 mm |
Shank diameter | 10 mm |
Shaft length | 24 mm |
Length | 97 mm |
Shank style | 3-face shank |
Surface | Uncoated |
Material to be processed | Steel |
| Art. no. | Number of steps | Diameter of the drilling area [mm] |
| 0694450412 | 9 | 4.0/5.0/6.0/7.0/8.0/9.0/10.0/11.0/12.0 |
| 0694450420 | 9 | 4.0/6.0/8.0/10.0/12.0/14.0/16.0/18.0/20.0 |
| 0694450421 | 9 | 4.0/6.0/8.0/10.0/12.0/14.0/16.0/18.0/20.0 |
| 0694450630 | 13 | 6.0/8.0/10.0/12.0/14.0/16.0/18.0/20.0/22.0/24.0/26.0/28.0/30.0 |
| 0694450639 | 12 | 6.0/9.0/12.0/15.0/18.0/21.0/24.0/27.0/30.0/33.0/36.0/39.0 |
| 0694450640 | 16 | 6.5/8.5/10.5/12.5/14.5/16.5/18.5/20.5/23.5/25.5/28.0/30.5/32.5/35.5/38.5/40.5 |
| 0694450637 | 12 | 6.0/9.0/12.5 (PG7)/15.2 (PG9)/18.6 (PG11)/20.4 (PG13.5)/22.5 (PG16)/26.0/28.3 (PG21)/30.5/34.0/37.0 (PG29) |