Product details
The Cobalt Spiral Drill Bit from kwb is a highly advanced tool specifically designed for machining metal and steel. With a diameter of 6.5 mm and a precision-ground blade, this drill bit offers excellent performance and durability. Made from HSS steel and alloyed with 5% cobalt, it provides extreme heat resistance. This makes it particularly suitable for difficult-to-machine materials such as alloyed and unalloyed steel, stainless steel, gray cast iron, and plastics. The cylindrical shank allows for easy handling and compatibility with common drilling machines. The 135° point angle and cross grind according to DIN 1412 C ensure a self-centering function that guarantees precise drill holes. This drill bit is an essential tool for professional applications and demanding projects.
- Cobalt-alloyed HSS steel construction for increased heat resistance
- Precision-ground with a 135° point angle for optimal drilling performance
- Self-centering cross grind according to DIN 1412 C
- Suitable for a variety of materials, including alloyed and unalloyed steel
- Industrial quality for professional applications.
Material application | Grey cast iron, Metal, Plastic, Steel |
Length | 22.70 cm |
Drill diameter | 6.5 mm |
Metal type | Steel |
Item number | 6156978 |
Manufacturer | kwb |
Category | Drill bit insert |
Manufacturer no. | 248665 |
Release date | 21.2.2017 |
Colour | Bronze |
Exact colour description | Bronze |
Metal type | Steel |
Material group | Metal |
Material | Cobalt, HSS steel |
Drill Type | Twist Drill |
Material application | Grey cast iron, Metal, Plastic, Steel |
Tool holder | Metal drill |
surface finish | Burnished |
DIN standard | DIN 338 |
Suitable for | Acrylic, Iron, Plastic, Sheet metal, Stainless steel, Steel, Steel and non-ferrous metals, Twin-wall sheets |
Suitable for | Iron, Metals, Plastic, Sheet, Slats, Stainless steel, Steel |
borehole size | 6.50 mm |
Point angle | 135° |
Point angle | 135° |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1 piece |
Items per sales unit | 1 x |
Drill diameter | 6.5 mm |
working length | 63 mm |
Length | 22.70 cm |
Width | 5 cm |
Height | 1 cm |
Weight | 27 g |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Drill bit insert» category have a defect within the first 24 months?
Source: Digitec Galaxus- 1.Futuro BRW0 %
- 1.KS Tools0 %
- 1.kwb0 %
- 1.Neriox0 %
- 1.Ruko0 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- kwbNot enough data
- 1.Bosch Professional Zubehör0 days
- 2.DeWalt7 days
- AlpenNot enough data
- BGSNot enough data
Return rate
How often is a product of this brand in the «Drill bit insert» category returned?
Source: Digitec Galaxus- 17.Bosch Zubehör0.6 %
- 20.Bosch Home & Garden0.7 %
- 20.kwb0.7 %
- 22.Famag0.9 %
- 23.DeWalt1.2 %