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Metal drill bit DIN 340
HERMAN HSS-R
Extended design

5,0
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L1 (mm)
Balenie (ks)
1

Made of 4241, rolled, tip angle 118º with standard taper

 
SKU: 764 Category of goods:

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Designation

  • For drilling in metal of non-alloyed and alloy steel and steel-alloy up to a strength of 800 N/mm2, grey cast iron, non-ferrous metals, bronze, etc.
  • Suitable for conventional electric drills, bench drills and cordless screwdrivers with chuck

Description

    Right-hand drill bits with cylindrical shank made of HSS 4241 high-speed steel, with reinforced core:
    high resistance to drill bit breakage during drilling

    Point angle 118° with standard taper grind:
    sufficient for common applications, little resistance to sliding is felt when drilling

    Necessary countersinking before drilling:
    the tip is not cross-cut (split point)

    Sharp drill bit chamfers:
    also well deflect long chips, especially when drilling softer materials

    Black nitride finish:
    reduces friction during drilling and allows sharpening of the tip and the entire spiral

    Recommendation:
    use cutting oil when drilling for increased lifetime

Ø1 (mm) L1 (mm) L2 (mm) Ø2 (mm) Quantity in package
(pcs)
Availability
ID: 16050801 2,0 56 85 2,0 1
ID: 16050802 2,5 62 95 2,5 1
ID: 16050803 3,0 66 100 3,0 1
ID: 16050804 3,5 73 112 3,5 1
ID: 16050805 4,0 78 119 4,0 1
ID: 16050806 4,5 82 126 4,5 1
ID: 16050807 5,0 87 132 5,0 1
ID: 16050808 6,0 91 139 6,0 1
ID: 16050809 8,0 109 165 8,0 1
ID: 16050810 10,0 121 184 10,0 1
ID: 16050811 12,0 134 205 12,0 1

Product reviews

5,0
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  1. Margita

    Slovakia

    Niekedy veľmi užitočný, keď klasický vrták je krátky.

    Sometimes very useful when the classic drill is short.

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Questions and answers


Karol Bryndzák
technical consultant

Marek Baláž
manažér úseku opráv
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