Heller Concrete twist drill set 7 pieces
10 mm, 12 mm, 4 mm, 5 mm, 6 mm, 8 mmMore than 10 pieces in stock at supplier
Drill diameter2
Product details
The Heller concrete spiral drill bit set consists of seven high-quality drills specifically designed for drilling in concrete and stone. With an optimized carbide geometry, these drills offer a long lifespan and high efficiency. The set includes various diameters, allowing for a wide range of applications, from masonry to aerated concrete. The drills feature a cylindrical shank that ensures easy handling and compatibility with common drill machines. Thanks to the innovative head design with a wide outlet and the large-volume "Twinmax-G2" spiral, high drilling speeds are achieved. Additionally, the special hardness-blast technique provides high break resistance, enhancing the reliability and durability of the drills. This set is ideal for professional craftsmen as well as DIY enthusiasts who value quality and performance.
- Optimized carbide geometry for long lifespan
- High-speed drilling through innovative head design
- Cylindrical shank for easy handling
- High break resistance thanks to special hardness-blast technique
- Versatile use in concrete, masonry, and aerated concrete.
Metal type | Hard metal |
Material application | Stone |
Drill diameter | 10 mm, 12 mm, 4 mm, 5 mm, 6 mm, 8 mm |
Length | 52 cm |
Item number | 8407275 |
Manufacturer | Heller |
Category | Drill bit insert |
Manufacturer No. | 16884 7 |
Release date | 20.4.2018 |
Metal type | Hard metal |
Drill Type | Twist Drill |
Material application | Stone |
Suitable for | Concrete, Masonry, Stone |
Country of origin | China |
CO₂ emissions | 1,93 kg |
Climate contribution | EUR 0,12 |
Scope of delivery | 10, 12 mm, 2 x 6, 5, 8, Ø 4 |
Items per sales unit | 1x |
Drill diameter | 10 mm, 12 mm, 4 mm, 5 mm, 6 mm, 8 mm |
working length | 400 mm |
Length | 52 cm |
Width | 4 cm |
Height | 4.50 cm |
Weight | 458.30 g |
Product Safety |
30-day right of return
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Reviews & Ratings
Statutory 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: Galaxus- HellerNot enough data
- 1.Donau0 %
- 1.Einhell0 %
- 1.Exact0 %
- 1.Famag0 %
Statutory 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: Galaxus- HellerNot enough data
- 1.Bosch Professional Zubehör0 days
- 1.DeWalt0 days
- AlpenNot enough data
- BGSNot enough data
Return rate
How often is a product of this brand in the «Drill bit insert» category returned?
Source: Galaxus- 22.Stahlwerk1,1 %
- 22.vidaXL1,1 %
- 25.Heller1,2 %
- 25.kwb1,2 %
- 27.Makita1,4 %