Transmit the driver's force to the screw, with the right profile for each head.

Black zinc-plated screw Unifix
Key features
- TypePan head self-tapping screw (TCB)
- FinishBlack galvanised
- DrivePozidriv PZD2
- Dimensions (mm)4x20 - 5x35
- Head diameter (mm)8 / 10
What it is
Black zinc-plated screw Unifix. Key specifications: type Pan head self-tapping screw (TCB), finish Black galvanised, drive Pozidriv PZD2.
Wood screws are screws with a wood thread, also supplied with a plug or collar, for assembling timber and fixing frames and battens to walls.
What it is for
Used for woodworking in the joinery shop and for fixing into timber, from assembly work to carpentry.
How to use it
Choose a length that penetrates at least two-thirds into the second piece. In hardwoods or near edges, pre-drill to prevent the wood from splitting. Drive with a bit of the right size, keeping the screwdriver in line and setting the clutch so as not to strip the head.
Where it is used
- Residential construction
- Renovation
Technical data
- Type: Pan head self-tapping screw (TCB)
- Finish: Black galvanised
- Drive: Pozidriv PZD2
- Dimensions (mm): 4x20 - 5x35
- Head diameter (mm): 8 / 10
Who it is for
Designed for formwork carpenters and joiners.
Standards and compliance
Reference standards: CE marking in accordance with the EU directives applicable to the screws and bolts sector, compliance with the technical and safety standards in force, technical documentation supplied by the manufacturer Unifix.
Black zinc-plated is a Unifix product in the Screws and bolts category for professional use.
Related products
- Yellow zinc-plated screw Unifix
- Yellow zinc-plated TPS chipboard screw Unifix
- Phillips bit, C6.3 shank, Unifix — from the category Bits
- Wood drill bit Profix Unifix — from the category Professional Wood Drill Bits
- Cordless drill driver brushless 18V V20 Fatmax - 2.0 Ah (SFMCD720D2K) Stanley — from the category Drill Drivers
- Browse the whole category: Wood Screws
Before you order
In your request, please state the diameter and the quantities required, so we can give you the right quotation first time.
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
| Type | Pan head self-tapping screw (TCB) |
|---|---|
| Finish | Black galvanised |
| Drive | Pozidriv PZD2 |
| Dimensions (mm) | 4x20 - 5x35 |
| Head diameter (mm) | 8 / 10 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Make clean, accurate holes in solid wood, boards and chipboard for dowels, hinges and screws.
Drill and drive screws cordless, with an adjustable clutch to avoid stripping the screws.
Drive and remove screws of every drive type when fitted to the screwdriver or bit holder.




