Heller Serpentine drill 20 mm total length

20 mm
CHF44.38/1pcs.
Delivered between 21.1.2026 and 28.1.2026
More than 10 pieces in stock at third-party supplier
Supplied by
Venova CH
Free shipping starting at 50.–

Drill diameter6

Length2

Product details

The Heller auger bit with a diameter of 20 mm is a high-quality drilling tool characterized by its precise guidance and self-feeding screw tip. The hardened head and main cutting edges ensure efficient processing of both soft and hardwood. Its special LEWIS spiral guarantees optimal chip removal, making work easier and extending the tool's lifespan. The hexagonal shank allows for a secure connection with various drilling machines and ensures stable handling during the drilling process. This auger bit is ideal for precise and clean drilling in wood, suitable for both professional and private use.

  • Self-feeding screw tip for precise guidance
  • Hardened head and main cutting edges for durability
  • LEWIS spiral for optimal chip removal
  • Hexagonal shank for secure connection with drilling machines.

Key specifications

Connection system
Hexagonal
Material application
Wood
Drill diameter
20 mm
Length
45 cm
Item number
8414384

General information

Manufacturer
Heller
Category
Drill bit insert
Manufacturer no.
19040 4
Release date
20.4.2018

Material

Material group
Metal
Material
Chrome vanadium steel

Drill bit properties

Drill Type
Snake Drill
Connection system
Hexagonal
Material application
Wood
borehole size
20 mm

Voluntary climate contribution

CO₂-Emission
Climate contribution

Packaging

Items per sales unit
1x

Product dimensions

Drill diameter
20 mm
Shaft diameter
13 mm
working length
370 mm
Length
45 cm
Width
4.70 cm
Height
4.70 cm
Weight
541.50 g

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

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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
  • Heller
    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
  • Heller
    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
  • Heller
    Not enough data
  • 1.C.K Magma
    0 %
  • 1.Exact
    0 %
  • 1.Futuro BRW
    0 %
  • 1.RS PRO
    0 %
Source: Digitec Galaxus