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Twist drill bit assortment HSS DIN 338 SMART STEP 19 pcs
Twist drill bit assortment HSS DIN 338 SMART STEP 19 pcs - 1
Twist drill bit assortment HSS DIN 338 SMART STEP 19 pcs - 2
Twist drill bit assortment HSS DIN 338 SMART STEP 19 pcs - 3
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Twist drill bit assortment HSS DIN 338 SMART STEP 19 pcs - 5
Twist drill bit assortment HSS DIN 338 SMART STEP 19 pcs - 6

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Twist drill bit assortment HSS DIN 338 SMART STEP 19 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 1000 N/mm², aluminium, plastic (e.g. acrylic glass, HPL, Trespa or screen printing plates), non-ferrous metals, hard and softwood

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



Precise circular holes



Extremely convenient drilling


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

  • Tilted drilling possible

  • Simple reboring or enlarging of an existing drill hole


Significantly quicker than conventional ground twist drill bits



Perfect for drilling out rivets and stud bolts



3-face shank (from dia. 4 mm)


  • 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
Notice

For blind holes, please observe the extended drill tip!


Cutting values are documented in ranges (ie: 1.0 mm - 1.9 mm, 2.0 mm - 2.4 mm, 5.0mm - 6.2 mm, 6.3 mm - 7.9 mm)