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Set of metal drill bits DIN 338 HERMAN QDM-40 HSS-E Co 5% 6 drill bits in set
ID: 300500007

Set of metal drill bits DIN 338
HERMAN QDM-40 HSS-E Co 5%
6 drill bits in set

5,0
(5x)

Set of HERMAN DM-40 HSS-E Co 5% metal drill bits with ground and polished surface : Ø 2, 3, 4, 5, 6, 8mm

The sale of this product is discontinued

 
SKU: 300500007 Category of goods:

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Lubricants and oils
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Designation

  • For drilling precision holes in stainless steel, stainless steel, refractory steel, iron, cast iron, etc.
  • Suitable for conventional electric drills, bench drills and cordless screwdrivers with chuck

Description

    Right-hand drill bits with cylindrical shank made of HSS M35 high-speed steel with 5% cobalt admixture, with reinforced core:
    high resistance to elevated temperatures and to breakage of the drill bit during drilling

    Tip angle 135° with "split point" according to DIN 1412 C (for diameters of 3 mm and more):
    only slight resistance to sliding is felt when drilling, ensures very good chip evacuation of the drilled material and prevents slipping when drilling on rounded objects without prior pitting

    Sharp drill bit chips:
    Good for removing long chips, especially when drilling softer materials

    Drill bit surface polished, without additional coating:
    reduces friction when drilling and allows sharpening of the tip and the whole spiral

    Recommendation:
    Use cutting oil when drilling for increased durability

Contents of the package

  • Drill bits for metal HSS-E DIN 338 2,3,4,5,6,8mm each 1pc
  • 1x Plastic case

Product reviews

5,0
Rated by 5 customers
5
5x
4
0x
3
0x
2
0x
1
0x

  1. Lenka Gregorova –

    Slovakia

    vyborna kvalita za rozumnu cenu

    excellent quality at a reasonable price

    žiadne

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  2. Peter Mudrik –

    Slovakia

    Výborná kvalita.

    Excellent quality.

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  3. Tünde Dánné Lukács –

    Hungary

    Jó minőség ár-érték arányban megfelel

    Good quality, value for money

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  4. Péter Gábor –

    Hungary

    Kiváló minőség

    Excellent quality

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  5. Milan Grubner –

    Czechia

    vrtáky do kovu jsou v pořádku, vše OK

    metal drills are fine, everything is OK

    jsou kvalitní a vydrží

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Questions and answers


Karol Bryndzák
technický konzultant

Marek Baláž
manažér úseku opráv
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