Bosch HSS-G Drill Bit Set 1-13mm (25-Piece) for Metal
KSh5,300.00 Original price was: KSh5,300.00.KSh4,999.00Current price is: KSh4,999.00.
Bosch HSS-G Drill Bit Set 1-13mm (25-Piece) for Metal
- Material
- HSS-G (Ground High-Speed Steel)
- Size Range
- 1.0mm – 13.0mm (0.5mm steps)
- Point Angle
- 135° Split Point
- Quantity
- 25 Pieces
- Standard
- DIN 338
Bosch HSS-G Drill Bit Set
The Bosch HSS Drill Bit set is a professional-grade collection of precision-ground bits designed for drilling through alloyed and non-alloyed steel, cast iron, and hard plastics. These components meet DIN 338 standards for dimensional accuracy and performance on demanding job sites.
Built for the Job
Contractors and metalworkers require consistent hole diameters and fast chip removal when working with structural steel or non-ferrous metals. This 25-piece kit provides the necessary range for most standard fastening and clearance hole requirements. The ground high-speed steel construction ensures higher heat resistance compared to standard rolled bits, making it suitable for stationary drill presses and handheld power tools in high-torque applications.
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Drilling pilot holes for heavy-duty fasteners in steel beams.
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Creating clearance holes in aluminum and copper profiles.
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General workshop fabrication and onsite machinery repair.
Product Highlights
- Precision Ground HSS-G
-
The bits are manufactured from solid stock to achieve high surface quality and reduced friction during heavy drilling cycles.
- 135-Degree Split Point
-
- Self-centering tip prevents the drill from walking across the workpiece.
- Eliminates the need for center punching on most flat metal surfaces.
- Starts cutting immediately upon contact for cleaner entry points.
Technical Specifications
| Specification | Detail |
|---|---|
| Material Grade | HSS-G (High-Speed Steel) |
| Size Range | 1.0mm – 13.0mm (0.5mm steps) |
| Standard | DIN 338 |
| Point Angle | 135 Degrees |
| Shank Type | Cylindrical |
What’s Included
-
25 HSS-G Drill Bits (1.0mm to 13.0mm in 0.5mm increments)
-
Tough Industrial Metal Storage Case with Size Labels
On-Site & Workshop Notes
-
Apply cutting oil or coolant when drilling through thick steel to extend the service life of the cutting edges.
-
Match the tool RPM to the bit diameter; larger bits (10mm-13mm) require lower speeds to prevent overheating.
-
Ensure the cylindrical shank is fully tightened in the chuck to prevent slipping under high torque loads.
-
Store the bits in the provided metal case to protect the ground edges from impact damage in your toolbox.
| Brand |
Bosch |
|---|---|
| Material |
High-Speed Steel (Ground) |
| Standard |
DIN 338 |
| Point Angle |
135 Degrees |
| Size Range |
1mm to 13mm |
| Increments |
0.5mm |
| Shank Type |
Cylindrical |
| Piece Count |
25 |


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