Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Legal noticePrivacy notice

Ruko Taper and deburring countersink 90° HSS G TIN CBN.Ø 16.5 m

16.5 mm
Price in EUR including VAT
Ratings
BrandMore from Ruko
Delivered between 5.1.2026 and 12.1.2026
Only 3 pieces in stock at supplier
Free shipping starting at 30,–

Drill diameter17

Product details

The cutting edges are absolutely sharp due to the CBN deep-ground flutes. Ideal for burr-free and chatter-free countersinking, deburring, and sinking. Best results at low cutting speeds.

Features:

  • Coating: TiN
  • Feed rate in steel up to 500 N: 0.14 mm/rev
  • Small diameter: 3.2 mm
  • Cutting direction: right-hand cutting
  • Shank design: cylindrical shank
  • Countersink angle: 90°
  • Number of cutting edges: 3
  • Standard: DIN 335
  • Cutting material: HSS.

Key specifications

Material application
Brass, Bronze, Cast iron, Plastic
Drill diameter
16.5 mm
Metal type
High-performance high-speed steel
Length
6 cm
Item number
21954151

General information

Manufacturer
Ruko
Category
Drill bit insert
Manufacturer no.
102119T
Release date
2.9.2022

Colour

Colour
Gold, Grey
Exact colour description
Gold, Grey

Material

Metal type
High-performance high-speed steel
Material group
Metal
Material
HSS-Tin

Drill bit properties

Drill Type
Countersink
Material application
Brass, Bronze, Cast iron, Plastic
DIN standard
335
Suitable for
Brass, Bronze, Cast iron, Plastic, Steel

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Drill diameter
16.5 mm
Shaft diameter
8mm
Length
6 cm
Weight
36 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
1 additional offer
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 Tools
    0 %
  • 1.kwb
    0 %
  • 1.Ruko
    0 %
  • 1.wolfcraft
    0 %
  • 8.Bosch Home & Garden
    0,1 %

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
  • Ruko
    Not enough data
  • 1.Bosch Professional Zubehör
    0 days
  • Alpen
    Not enough data
  • BGS
    Not enough data
  • Bosch Home & Garden
    Not enough data

Return rate

How often is a product of this brand in the «Drill bit insert» category returned?

Source: Galaxus
  • 19.Dremel
    0,8 %
  • 19.Festool
    0,8 %
  • 22.Ruko
    0,9 %
  • 23.Rotec
    1 %
  • 24.Famag
    1,1 %
Source: Galaxus