Heller 19 Piece HSS-Co Cobalt Metal Drill Bit Set 1mm-10mm
Heller 19 Piece HSS-Co Cobalt Metal Drill Bit Set 1mm-10mm
Premium HSS drill bit for the toughest Jobs in stainless steel and metal
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Unbeatable in high-alloy steel and stainless steel - the perfect solution for the most challenging drilling
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Made of special HSS steel with 5% cobalt for extremely long life
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Pinpoint centring thanks to split point grinding and 135° point angle
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Precision tool as per DIN 338 RN for outstanding dimensional accuracy of the hole
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Excellent concentricity as per DIN 1414
Drill Lengths (working/overall):
1mm - 12mm/34mm
1.5mm - 18mm/40mm
2mm - 24mm/49mm
2.5mm - 30mm/57mm
3mm - 33mm/61mm
3.5mm - 39mm/70mm
4mm - 43mm/75mm
4.5mm - 47mm/80mm
5mm - 52mm/86mm
5.5mm - 57mm/93mm
6mm - 57mm/93mm
6.5mm - 63mm/101mm
7mm - 69mm/109mm
7.5mm - 69mm/109mm
8mm - 75mm/117mm
8.5mm - 75mm/117mm
9mm - 81mm/125mm
9.5mm - 81mm/125mm
10mm - 87mm/133mm