Drill concrete, masonry and stone by combining rotation and hammer action.

Undercut drill bit FZUB for Zykon FZA anchors Fischer
Key features
- TypeBit for undercut holes
- Available sizes10x40, 12x40, 12x50, 14x40, 14x60, 18x80, 22x100
- Hole diameters (mm)10, 12, 14, 18, 22
- CompatibilityZykon FZA anchors
- Pack (pcs)1
What it is
Undercut drill bit FZUB for Zykon FZA anchors Fischer. Key specifications: type Bit for undercut holes, hole diameters (mm) 10, 12, 14, 18, 22, compatibility Zykon FZA anchors.
A masonry bit is a carbide-tipped bit for drilling concrete, brick and stone with a hammer drill or rotary hammer.
What it is for
Used for drilling reinforced concrete, in hammer or rotary hammer mode and for drilling solid and hollow masonry, clay brick and blocks.
How to use it
Choose the machine's shank type (straight, SDS-Plus or SDS-Max) and the diameter required by the wall plug. Start the hole at low speed, then engage hammer action, holding the bit square to the surface and without forcing, withdrawing it frequently to clear the dust. Clean the dust out of the hole before inserting the plug.
Where it is used
- Residential construction
- Building services
- Renovation
Technical data
- Type: Bit for undercut holes
- Hole diameters (mm): 10, 12, 14, 18, 22
- Compatibility: Zykon FZA anchors
- Pack (pcs): 1
Who it is for
Designed for electricians, plumbers, bricklayers and heating and plumbing engineers.
Related products
- Masonry drill bit D-SDX Fischer
- Concrete drill bit SDX Fischer
- Hammer drill TP-10 Rubi — from the category Hammer Drills, Drill Drivers and Rotary Hammers
- Anchor FPX for Cellular Concrete, Fischer — from the category Heavy-Duty Anchors
- Pneumatic rock drill PK100 Breaker — from the category Rotary Hammers
- Browse the whole category: Drill Bits for Granite, Masonry and Concrete
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
| Type | Bit for undercut holes |
|---|---|
| Available sizes | 10x40, 12x40, 12x50, 14x40, 14x60, 18x80, 22x100 |
| Hole diameters (mm) | 10, 12, 14, 18, 22 |
| Compatibility | Zykon FZA anchors |
| Pack (pcs) | 1 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Anchor heavy loads to concrete and solid masonry, where plastic plugs are not enough.
For safety
Protect eyes and face from fragments, dust, splashes and impacts.




