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Twist drill bit assortment HSS DIN 338 SMART STEP, 29 pcs
Twist drill bit assortment HSS DIN 338 SMART STEP, 29 pcs - 8
Twist drill bit assortment HSS DIN 338 SMART STEP, 29 pcs - 1
Twist drill bit assortment HSS DIN 338 SMART STEP, 29 pcs - 2

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Twist drill bit assortment HSS DIN 338 SMART STEP, 29 pcs

The high-performance drill bit with unique SMART STEP technology (from dia. 2.5 mm) for high-precision circular drilling in steel up to 1,000 N/mm², aluminium, plastic (e.g. acrylic glass, HPL, Trespa or screen printing plates), non-ferrous metals, compact and hard wood and soft and light wood. Available in the ORSY® system cassette including the four additional intermediate sizes dia. 3.3, 4.2, 6.8 and 10.2 mm for M3-M12 threads.

  • Number of pieces in assortment/set: 29 PCS
  • Quality: ZEBRA-Premium
  • Standard / drilling depth: DIN 338 / 5xD
  • Shank style: 3-face shank
  • Material to be processed: Steel, Cast iron, Non-ferrous metal, Wood, Hardwood
  • Material of sub-group: General structural steels, Non-alloyed tempering steels, Cast iron, Ductile iron, Malleable cast iron, Magnesium alloys, Copper, low-alloyed, Brass, long-chipping, Brass, short-chipping, Plastics, thermoset, Plastics, thermoplastic, Aluminium, Aluminium (<10% silicon), Aluminium wrought alloys, Aluminium casting alloys (<10% silicon), Tool steels
  • Surface: Multiple refined
  • Cutting material: HSS
  • 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
  • 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
  • Self-centring: Yes

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Available in 1 version

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Variants

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



Precise circular holes



Extremely comfortable drilling


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

  • Angled drilling possible

  • Simple boring or enlarging of an existing drill hole


Significantly faster than conventional twist drill bits with point thinning



Perfect for drilling out rivets and stud bolts



3-flat shank (from dia. 4 mm)


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

  • Optimal power transmission

  • Protects the drill chuck from damage

  • Little effort required to open and close the drill chuck


Suitable for the ORSY® system, compact and practical system cassette with useful details, such as stackability, optimised joint and simple opening

Notice

For blind holes, please observe the extended drill tip!