Starflex flap disc T29 125 mm for steel – grit 100
Description
Starflex flap disc T29 125 mm for steel – grit 100

Starflex curved flap disc T29 with diameter 125 mm and grit 100 is a tool designed for professional steel surface processing. The corundum coating combined with a fibreglass backing ensures high durability, uniform grinding and safe operation – even during intensive use on construction sites or in workshops.
Grit 100 allows achieving smooth, scratch-free surface finishes, which is particularly important when processing visible steel construction elements. The fibreglass backing effectively dampens vibrations and gives the operator better control over the tool, reducing fatigue during extended work periods.
Applications
- Grinding and removing weld seams
- Chamfering and edge processing (bevelling)
- Removing rust, dirt and old coatings (paint, varnish, adhesive)
- Smoothing steel surfaces without leaving scratches
- Finishing work on steel elements in photovoltaic and installation structures

Curved construction (type T29)
The curved version disc (T29) has a narrower contact zone with the work surface, allowing grinding pressure to be concentrated and accelerating material removal. This is an ideal solution for working on edges, corners and hard-to-reach places. The optimal working angle is 10°–25°. The curved construction differs from the flat type (T27) in disc shape – it is slightly curved, which facilitates precise angled grinding.

Technical parameters
- Brand: Starflex
- Disc type: curved flap disc (T29)
- External diameter: 125 mm
- Mounting hole diameter: 22.2 mm
- Grit: 100
- Hardness: R (hard)
- Abrasive material: corundum (A)
- Application: steel
- Backing: fibreglass
- Maximum rotational speed: 12,200 rpm
- Maximum linear speed: 80 m/s
- Weight: 0.08 kg
- Standard: EN 13743
- EAN: 5901289679794

Quality confirmed by practice
Star Flex is a brand of Postal Steel Group, whose abrasive tools have enjoyed recognition from professional workshops and companies in Poland and abroad for years. The product range includes steel cutting discs, grinding discs and flap discs – all designed with high performance parameters, reliability and operator safety in mind.
Technical data
| Brand | Starflex |
| Diameter | 125 |
| Grit Size | P100 |