Werkö Twist drill HSS, DIN 338 RN, Ø 3.90 mm

3.9 millimetres
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Drill diameter9

Product details

Standard drill for machining steel up to 1,000 N/mm², cast steel, grey cast iron, malleable cast iron, sintered iron, nickel silver, and graphite.

Selection criteria:
Diameter: 3.90 mm
Spiral length: 43.0 mm
Total length: 75.0 mm

Technical data:
Standard: DIN 388
Type: N
Cutting material: HSS
Cutting direction: right
Point angle: 118°
Surface: steam tempered
Tolerance: h8
Shank tolerance: f11
Side rake angle: normal
Core thickness: normal
Core rise: normal
Groove shape: normal
Weight: 5 g.

Key specifications

Material application
Grey cast iron, Steel
Drill diameter
3.9 millimetres
Metal type
Steel
Length
7.50 cm

General information

Item number
23134569
Manufacturer
Werkö
Category
Drill bit insert
Manufacturer no.
23351827260
Release date
2.11.2022

Material

Metal type
Steel
Material
HSS

Drill bit properties

Drill Type
Twist Drill
Material application
Grey cast iron, Steel
Tool holder
HSS drill
DIN standard
DIN 388
Suitable for
Cast steel, Grey cast iron, Malleable cast iron, Nickel silver, Sintered iron
Point angle
118°

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Drill diameter
3.9 millimetres
working length
43 mm
Length
7.50 cm
Weight
5 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
  • Werkö
    Not enough data
  • 1.Exact
    0 %
  • 1.Famag
    0 %
  • 1.Fisch Tools
    0 %
  • 1.Futuro BRW
    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
  • Werkö
    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: Digitec Galaxus
  • Werkö
    Not enough data
  • 1.C.K Magma
    0 %
  • 1.Exact
    0 %
  • 1.Futuro BRW
    0 %
  • 1.RS PRO
    0 %
Source: Digitec Galaxus