Dormer Twist Drill DIN 338 Type N A777 Nominal-Ø 0.4 mm HSS-E profile ground Bronze coloured Cyl 4xD Right

0.4 millimetre
CHF10.62/1pcs.
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Delivered between Thu, 7.8. and Mon, 11.8.
More than 10 pieces in stock at third-party supplier
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Product details

The spiral drill DIN 338 Type N A777 with a nominal diameter of 0.4 mm is a high-precision tool specifically designed for machining steel and superalloys. Made from cobalt-based HSS-E, this drill offers excellent wear resistance and durability. The bronze coating enhances surface quality and reduces friction during the drilling process. With an overall length of 20 mm and a cutting length of 5 mm, this drill is ideal for applications that require high precision. The 135° point angle and 4-facet grind enable quick and efficient penetration into the material, while the right-hand cutting direction ensures easy handling. This spiral drill is standardized according to DIN 338 and is suitable for 4xD drilling without centering, making it an excellent choice for professional applications.

  • Made from cobalt-based HSS-E for high wear resistance
  • Bronze coating to reduce friction
  • 135° point angle for efficient penetration into the material
  • Suitable for 4xD drilling without centering
  • Profile ground for precise cutting performance.

Key specifications

Length
2 cm
Drill diameter
0.4 millimetre
Metal type
Steel
Item number
22162259

General information

Manufacturer
Dormer
Category
Drill bit insert
Manufacturer no.
A777.4
Release date
13.9.2022

Colour

Colour
Bronze
Exact colour description
Bronze colours

Material

Metal type
Steel
Material group
Metal
Material
HSS-E

Drill bit properties

Drill Type
Twist Drill
surface finish
Bronze
DIN standard
DIN 338
Suitable for
Steel
borehole size
0.40 mm
Point angle
135°
Point angle
135°

Origin

Country of origin
France

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
10 pieces

Packaging

Items per sales unit
10 x

Product dimensions

Drill diameter
0.4 millimetre
Shaft diameter
0.4 mm
working length
20 mm
Length
2 cm
Weight
170 g

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

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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.Dremel
    0 %
  • 1.Eventus
    0 %
  • 1.Exact
    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
  • 2.DeWalt
    9 days
  • Alpen
    Not enough data
  • BGS
    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.C.K Magma
    0 %
  • 1.Donau
    0 %
  • 1.Exact
    0 %
  • 1.Rotec
    0 %
Source: Digitec Galaxus