Drill and drive screws cordless, with an adjustable clutch to avoid stripping the screws.

TX-head bits, C6, CB/820 series, Unifix
Also known as: screwdriver bits, driver bits, insert bits
Key features
- ApplicationConstruction, mechanical workshops
- EN standardCE
- RegulationsDIN 3126 | ISO 1173
- MaterialSteel
- Pack (pcs)12
What it is
TX-head bits, C6, CB/820 series, Unifix. Key specifications: application Construction, mechanical workshops, EN standard CE, regulations DIN 3126 | ISO 1173.
Screwdriver bits are interchangeable Phillips, Pozidriv, Torx, hex or slotted tips, with bit holders and right-angle attachments, for fitting to drivers and screwdrivers.
What it is for
Used for repetitive screwdriving into wood, metal and plasterboard, where torque and consistency matter.
How to use it
Match the bit to the screw recess by type and size, without confusing PH and PZ, and lock it in the bit holder or chuck. Drive with the tool in line and steady pressure, using the clutch so as not to strip the screw; in tight spaces, fit a right-angle attachment. With impact drivers, use only impact-rated bits, replacing them as soon as the tip is worn.
Where it is used
- Building services
- Mechanical engineering industry
Technical data
- Application: Construction, mechanical workshops
- EN standard: CE
- Regulations: DIN 3126 | ISO 1173
- Material: Steel
- Pack (pcs): 12
Who it is for
Designed for electricians and mechanics.
Related products
- TX-head bits, C 6.3-1/4", Unifix CB/820
- TX-head bits, C6, CB/800 series, Unifix
- Cordless screwdriver S18 SPIT 254012 — from the category Drill Drivers
- Impact driver 18V - Unita' Without battery (FMC645B) (FMC645B-XJ) Stanley — from the category Impact Drivers (Hex Drive)
- Drywall screws 55x3.5mm coarse thread with bit 1000+1 pack DeWalt DWF4010013 — from the category Drywall Screws
- Browse the whole category: Screwdriver Bits
Before you order
Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 5
| Application | Construction, mechanical workshops |
|---|---|
| EN standard | CE |
| Regulations | DIN 3126 | ISO 1173 |
| Material | Steel |
| Pack (pcs) | 12 |
Compare with similar models
Technical data declared by the manufacturers. An empty cell means the figure is not declared.
| Feature |
This model
TX-head bits, C6, CB/820 series, Unifix
|
TX-head bits, C6, CB/800 series, Unifix
|
Slotted bits, C6, CB/600 series, Unifix
|
Pozidriv-head bits, C6, CB/590 series, Unifix
|
|---|---|---|---|---|
| Brand | Unifix | Unifix | Unifix | Unifix |
| EN standard | CE | CE | CE | CE |
| Regulations | DIN 3126 | ISO 1173 | DIN 3126 | ISO 1173 | DIN 5264 | ISO 2380 | DIN 3126 | ISO 1173 | ISO 8764-1 | DIN 3126 | ISO 1173 |
| Material | Steel | Steel | Steel | Steel |
| Pack | 12 pz | 12 pz | 12 pz | 12 pz |
| View product → | View product → | View product → |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Drive long screws and bolts with rotary impacts without twisting the wrist.
Assemble wooden parts and fix frames and battens to the wall with a firm hold.
Take the screwdriver to hard-to-reach places or speed up repetitive screwdriving.








