Description
Precision 4.0mm HSS drill bit — DBT1100403
The INGCO DBT1100403 is an HSS drill bit specified at 4.0mm diameter. It measures 75mm overall with a 43mm usable length and is supplied in a poly bag for individual handling and storage.
Key Benefits
1) Accurate 4.0mm size
A defined 4.0mm cutting diameter helps deliver consistent hole sizing for tasks that require a specific bit dimension.
2) Measured usable reach
With a 43mm usable length and 75mm total length, the bit provides a clear working depth for controlled drilling.
3) HSS construction
As an HSS Drill Bit, this model is specified as high-speed steel for standard drilling applications requiring that material type.
4) Easy identification
Marked as model DBT1100403 to simplify reordering and inventory management.
5) Individual packaging
Supplied in a poly bag for convenient storage and single-item handling.
Use Case Section
Where this bit fits
The INGCO DBT1100403 HSS Drill Bit is suitable for:
- Making precise 4.0mm holes
- Tasks needing up to 43mm drilling depth
- Replacing a worn 4.0mm drill bit
- Keeping a spare bit in a toolkit
- General workshop drilling tasks
Select this bit when you need a dedicated 4.0mm HSS option with a known usable depth.
Features Section
Key specifications at a glance:
- Model: DBT1100403
- Product Type: HSS Drill Bit
- Diameter: 4.0mm
- Total Length: 75mm
- Usable Length: 43mm
- Packaging: poly bag
What’s in the Box
Inside the package, you get:
- 1 × INGCO DBT1100403 HSS Drill Bit
Technical Specifications
| Specification | Details |
|---|---|
| Model | DBT1100403 |
| Product Type | HSS Drill Bit |
| Hss,diameter | 4.0mm |
| Total Length | 75mm |
| Usable Length | 43mm |
| Packaging | poly bag |
All specifications above are taken from the manufacturer product page.
The INGCO DBT1100403 is presented as a single HSS drill bit in a compact poly bag. Its documented dimensions — 4.0mm diameter, 75mm total length, and 43mm usable length — make it straightforward to match to tasks that require that specific size and reach.
Callout Blocks
Model
DBT1100403
Size
4.0mm diameter
Length
75mm total / 43mm usable
FAQ
What is the model number?
DBT1100403.
What diameter is this drill bit?
4.0mm.
What are the total and usable lengths?
Total length is 75mm and usable length is 43mm.
What type of drill bit is this?
This is an HSS Drill Bit.
How is the product packaged?
Packaged in a poly bag.

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