Ruko Taper and deburring countersink 90° HSS G CBN.Ø 5.0 mm 1
5.0 millimetrePrice in EUR including VAT
Delivered between 15.1.2026 and 22.1.2026
Free shipping starting at 30,–
Drill diameter17
Product details
5.0 mm - Due to the CBN deep ground flutes, the cutting edges are absolutely sharp. For burr- and chatter-free countersinking, deburring, and countersinking. Best results at low cutting speed. Taper and deburring countersink made of high-performance high-speed steel. Ideal for steel, cast iron, non-ferrous, and light metals.
Material application | Metal, Steel |
Drill diameter | 5.0 millimetre |
Length | 4 cm |
Item number | 21954121 |
Manufacturer | Ruko |
Category | Drill bit insert |
Manufacturer no. | 102103 |
Release date | 2.9.2022 |
Material group | Metal |
Material | HSS |
Drill Type | Countersink |
Material application | Metal, Steel |
surface finish | Coated |
DIN standard | 335 |
Suitable for | Cast iron, Plastic, Steel |
borehole size | 5 mm |
Point angle | 90° |
Point angle | 90° |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1 piece |
Items per sales unit | 1x |
Drill diameter | 5.0 millimetre |
Shaft diameter | 4.0 mm |
working length | 40 mm |
Length | 4 cm |
Weight | 6 g |
Product Safety |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of return
30-day right of return
24 Months statutory warranty
Report concern
Compare products
Goes with
Reviews & Ratings
Statutory 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: Galaxus- 1.KS Tools0 %
- 1.kwb0 %
- 1.Ruko0 %
- 1.wolfcraft0 %
- 8.Bosch Home & Garden0,1 %
Statutory 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: Galaxus- RukoNot enough data
- 1.Bosch Professional Zubehör0 days
- AlpenNot enough data
- BGSNot enough data
- Bosch Home & GardenNot enough data
Return rate
How often is a product of this brand in the «Drill bit insert» category returned?
Source: Galaxus- 19.Dremel0,8 %
- 19.Festool0,8 %
- 22.Ruko0,9 %
- 23.Rotec1 %
- 24.Famag1,1 %
Source: Galaxus