Dormer Countersink 90 ° Nominal Ø 10.4 mm HSS-E Blank Z.3 M5

10.4 millimetres
Ratings
Delivered between Thu, 20.8. and Sat, 12.9.
Only 4 pieces in stock at supplier
Free shipping starting at 50.–

Drill diameter5

Product details

The Dormer conical countersink is a high-precision tool specifically designed for creating conical seating surfaces for ISO metric countersunk screws. With a chamfer angle of 90 degrees and a nominal diameter of 10.4 mm, this countersink is ideal for applications in metalworking, particularly when machining steel and cast iron. The hexagonal shank allows for easy and secure attachment in drilling machines, while the HSS-E (high-speed steel) construction ensures high durability and efficiency. The uncoated surface guarantees optimal performance when working with various types of metals, including copper and copper alloys. With an overall length of 50 mm and a working length of 50 mm, this countersink is suitable for both professional and industrial applications.

  • 3-flute design for efficient machining
  • Suitable for ISO metric countersunk screws
  • Made from HSS-E for high durability
  • Hexagonal shank for secure grip
  • Optimized for steel and cast iron.

Key specifications

Metal type
Steel
Connection system
Hexagonal
Drill diameter
10.4 millimetres
Length
5 cm

General information

Item number
22158884
Manufacturer
Dormer
Category
Drill bit insert
Manufacturer No.
G10710.4
Release date
13.9.2022

Material

Metal type
Steel
Material group
Metal
Material
HSS-E

Drill bit properties

Drill Type
Countersink
Connection system
Hexagonal
surface finish
Coated
DIN standard
Dormer
borehole size
10.40 mm
Point angle
90°

Origin

Country of origin
France

Voluntary climate contribution

CO₂ emissions
1.93 kg
Climate contribution
CHF 0.11

Product dimensions

Drill diameter
10.4 millimetres
Shaft diameter
6.35 mm
working length
50 mm
Length
5 cm
Weight
20 g

30-day right of return
24 Months Warranty (Bring-in)

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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
  • Dormer
    Not enough data
  • 1.Bosch Home & Garden
    0 %
  • 1.Bosch Professional
    0 %
  • 1.Donau
    0 %
  • 1.Einhell
    0 %

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
  • Dormer
    Not enough data
  • 1.Bosch Professional Zubehör
    0 days
  • 1.DeWalt
    0 days
  • Alpen
    Not enough data
  • Benson
    Not enough data

Return rate

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

Source: Digitec Galaxus
  • Dormer
    Not enough data
  • 1.Futuro BRW
    0 %
  • 1.RS PRO
    0 %
  • 1.technocraft
    0 %
  • 4.Wiltec
    0.2 %
Source: Digitec Galaxus