Heller Serpentine drill 12 mm total length

12 mm, Minimum order 2
CHF20.45/1pcs.
Ratings
BrandMore from Heller
Delivered between 26.1.2026 and 2.2.2026
More than 10 pieces in stock at third-party supplier
Supplied by
Conrad CH
Free shipping starting at 50.–

Drill diameter6

Length3

Product details

The Heller auger bit with a diameter of 12 mm is a highly advanced tool designed for precise drilling in soft and hardwood. With an overall length of 450 mm and a working length of 375 mm, this bit offers accurate guidance and is self-feeding due to its threaded tip. The hardened head and main cutting edges ensure a long lifespan and high efficiency when drilling. The LEWIS spiral allows for effective chip removal, making it easier to work with wood materials. The hexagonal shank provides a secure connection with the drill chuck and enables easy handling. This auger bit is an ideal choice for professionals and DIY enthusiasts who value quality and precision.

  • Self-feeding threaded tip for precise guidance
  • Hardened head and main cutting edges for durability
  • LEWIS spiral for effective chip removal
  • Hexagonal shank for secure connection with the drill chuck.

Key specifications

Connection system
Hexagonal
Material application
Wood
Drill diameter
12 mm
Length
45 cm
Item number
8417185

General information

Manufacturer
Heller
Category
Drill bit insert
Manufacturer no.
19036 7
Release date
20.4.2018
Minimum order
2

Material

Material group
Metal
Material
Chrome vanadium steel

Drill bit properties

Drill Type
Snake Drill
Connection system
Hexagonal
Material application
Wood
Suitable for
Wood
borehole size
12 mm

Voluntary climate contribution

CO₂-Emission
Climate contribution

Packaging

Items per sales unit
1x

Product dimensions

Drill diameter
12 mm
Shaft diameter
12 mm
working length
380 mm
Length
45 cm
Width
3.60 cm
Height
3.60 cm
Weight
227.70 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
  • 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