19-Piece Drill Bit Set 1-10 mm HSS TiN Metal Case GEKO G38234
Key information
Availability:In stock (ready to ship)
Shipping time:immediately
Shipping cost:From 3.29 Euro
catalog number:G38234
Availability:
EAN code:5901477110481
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,56 kg
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HSS TiN Metal Drill Bit Set 1-10 mm, 19 Pieces GEKO G38234
A complete set of HSS high-speed steel twist drill bits with a TiN titanium coating, covering 19 diameters from 1 to 10 mm in 0.5 mm increments. Designed for drilling into ferrous and non-ferrous metals.
Technical characteristics
HSS high-speed steel
The base material delivers a hardness of 62-65 HRC, making it possible to drill carbon steels with a tensile strength of up to 900 N/mm². HSS retains its cutting properties at the temperatures of up to 600°C generated during drilling.
Titanium nitride (TiN) coating
The gold-coloured TiN coating, with a hardness of approx. 2300 HV, increases drill bit life by 200-300% compared with uncoated HSS. It reduces friction, lowers the drilling temperature and reduces chip adhesion to the working surface.
0.5 mm increments
The set includes every intermediate diameter from 1-10 mm, so there is no need to buy individual drill bits. This allows the hole diameter to be precisely matched to a thread or pin joint diameter.
Metal case
The robust case protects the drill bits from mechanical damage during transport and storage. Indexed slots make it easy to select the right diameter quickly and to check that the set is complete.
Technical specification
| Model | GEKO G38234 |
| Material | High-speed steel (HSS) |
| Coating | Titanium nitride (TiN) |
| Number of pieces | 19 pcs |
| Diameter range | 1.0 - 10.0 mm |
| Diameters included | 1.0 / 1.5 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0 / 4.5 / 5.0 / 5.5 / 6.0 / 6.5 / 7.0 / 7.5 / 8.0 / 8.5 / 9.0 / 9.5 / 10.0 mm |
| Shank type | Straight shank |
| Packaging | Metal case with indexed slots |
Applications
- Drilling structural and tool steels up to 900 N/mm²
- Working non-ferrous metals: aluminium, brass, copper, bronze
- Drilling holes for M2-M12 metric threads
- Drilling grey and ductile cast iron
- Assembly and installation work requiring a range of diameters
- Repair of mechanical and electronic equipment
- Drilling stainless steels (with adequate cooling)
- Workshop and industrial applications
Use and maintenance
Selecting drilling parameters
For structural steel: cutting speed 20-30 m/min, feed 0.05-0.15 mm/rev depending on the diameter. For aluminium: 60-100 m/min. Smaller diameters require higher speeds – for example, a 2 mm bit in steel: approx. 3000-4500 rpm, a 10 mm bit: approx. 600-900 rpm.
Cooling and lubrication
For steels, use a cooling and lubricating emulsion or machine oil. Aluminium can be drilled dry or with paraffin. Stainless steel requires intensive cooling with emulsion. Regular lubrication extends the life of the TiN coating.
Sharpening
HSS TiN drill bits can be sharpened on a drill bit sharpener while maintaining a 118° point angle and symmetrical cutting edges. After sharpening, the TiN coating is partially removed from the cutting edge, but the core of the bit retains the properties of HSS. Do not overheat the bit during sharpening – temperatures above 300°C may alter the steel structure.
Commercial information
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