Box of 10 HSS-G Super Twist Drill Bits by Heller, German Engineered for the Highest Quality.
Drill Lengths (working/overall):
1mm - 12mm/34mm
1.5mm - 18mm/40mm
1.6mm - 20mm/47mm
2mm - 24mm/49mm
2.5mm - 30mm/57mm
2.8mm - 33mm/61mm
3mm - 33mm/61mm
3.1mm / 3.2mm - 36mm/65mm
3.5mm - 39mm/70mm
4mm - 43mm/75mm
4.5mm - 47mm/80mm
4.8mm / 4.9mm - 52mm/86mm
5mm - 52mm/86mm
5.5mm - 57mm/93mm
6mm - 57mm/93mm
6.2mm / 6.5mm - 63mm/101mm
6.8mm / 7mm - 69mm/109mm
7.5mm - 69mm/109mm
8mm - 75mm/117mm
8.5mm - 75mm/117mm
9mm - 81mm/125mm
9.5mm - 81mm/125mm
10mm - 87mm/133mm
10.5mm - 87mm/133mm
11mm - 94mm/142mm
11.5mm - 94mm/142mm
12mm - 101mm/151mm
12.5mm - 101mm/151mm
13mm - 101mm/151mm
High-quality drill bit for alloyed and unalloyed steels
- Highly-precise and durable with best finish in metal
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Precision ground as per DIN 338 RN for outstanding dimensional accuracy of the drilled hole
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Split point grinding and 135° point angle for optimum centring during spot drilling
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Excellent concentricity as per DIN 1414
