Cylindrical rivet nut for stone facades with quadruple crown. Hole diameter Ø12mm, height H=8mm, thread M6, 100pcs.
Rivet nut for stone facades KEEP-NUT® SI-IM4S-M6-H8.5 is a high-performance self-anchoring press-in insert designed for creating a secure M6 threaded fixing point in stone panels and other solid materials used in demanding applications.
With its quadruple-crown cylindrical construction, this version offers strong grip and excellent pull-out performance, making it especially suitable for ventilated façades, wall cladding, and architectural installations. It installs into a simple blind hole and does not require adhesives or specialist tools, reducing installation time and simplifying workflow.
Manufactured in stainless steel, it provides long-term durability and dependable fastening performance in both indoor and outdoor use. The rivet nut for stone facades features:
- Strong mechanical anchoring for demanding applications
- Ideal for façades, cladding, and architectural stone fixing
- M6 thread for more robust fastening requirements
- Fast installation without resins or adhesives
- Stainless steel design for long service life
Applications
Designed for stronger fastening requirements in architectural and construction environments, including:
- ventilated façades and rear-ventilated cladding systems
- exterior and interior wall cladding
- large-format architectural panels
- stone façade support systems
- countertops and solid-surface assemblies requiring M6 fastening
- sanitary and bathroom structures
- commercial interiors, bespoke joinery, and technical installations
- hidden mechanical fixing in high-spec stone and compact panel projects
COMPATIBLE MATERIALS
Developed for use in a wide range of architectural surfacing materials, including:
- Natural stone: granite, marble, travertine, limestone, slate, quartz, White Carrara, Black America, and similar stones
- Sintered stone: Lapitec®, Dekton®, Neolith®, and other ultra-compact sintered materials
- Solid surface materials: Corian®, Hi-Macs®, Krion®, Staron®, Betacryl®, Okite®, and equivalent brands
- Porcelain: technical porcelain, porcelain gres, and large-format porcelain slabs
- High-pressure laminates: HPL and compact laminate boards
- Engineered materials: agglomerate stone, engineered quartz, mineral composites, and comparable dense materials
- Other solid materials: glass and compact non-metallic panels requiring concealed threaded fixing
| Hole diameter | Ø12 mm |
|---|---|
| Hole depth | 8.5 mm |
| Minimum material thickness | 11 mm |
| Total nut depth/height (H) | 8 mm |
| Pull-out force | 3500 N |
| Surface diameter | Ø12 mm |
Compatible Materials
With reliable strength – and average pull-out load of:
| Material | Type of Keep-nut | Average pull-out load on a single insert (Kgs.) |
|---|---|---|
| Granite 20mm | IM4S/M6/H8.5 | 490,0 KG |
| Marble 20mm | IM4S/M6/H8.5 | 385,0 KG |
| Travertine 20mm | IM4S/M6/H8.5 | 225,0 KG |
| Porcelain Gres 10 mm | IM2S/M6/H6 | 150,0 KG |
| Porcelain Gres 20 mm | IM4S/M6/H8.5 | 350,0 KG |
| Lapitec® 12 mm | IM2S/M6/H6 | 70,0 KG |
| HPL 12mm | IM4S/M6/H8.5 | 541,5 KG |
| HPL 8mm | IM2S/M6/H6 | 270,5 KG |
| Dekton® 20 mm | IM2S/M6/H6 | 10,0 KG |
| Corian® 12mm | IM4S/M6/H8.5 | 484,5 KG |
| Corian® 10mm | IM2S/M6/H6 | 295,0 KG |
| Hi-macs® LG 12 mm | IM2S/M6/H6 | 240,0 KG |
| Agglomerate stone 15mm | IM4S/M6/H8.5 | 305,0 KG |
