Black Heat-Resistant and Corrosion-Resistant Plastic Insulating Anchor / Self-Tapping Spiral Insulating Fastener
Self-tapping Spiral Insulation Anchor
This spiral insulation anchor is integrally molded of modified nylon. No pre-drilling required. It can be screwed directly into XPS, EPS, rock wool and other insulation boards. Multi-layer spiral blades firmly lock the foam substrate. Large umbrella washer distributes pressure evenly to prevent board sagging and damage. UV resistant and anti-corrosion, widely used for external wall, roof, cold storage and duct insulation projects. We are factory supplier, custom sizes available,
Product Features
✅ No pre-drilling, fast installation, save labor cost
✅ Large circular washer, avoid crushing insulation panel
✅ High quality PA nylon, anti-aging, weather resistance
✅ Spiral helical blades, strong pull-out resistance
✅ Compatible with XPS, EPS, rock wool, phenolic foam
Specifications
| Material: |
Modified Nylon PA |
| Color: |
Black |
| Available Length: |
50/70/110/150mm, Customizable |
| Washer Diameter: |
50mm |
| Application: |
XPS EPS Rockwool Insulation Board |
| Package: |
Plastic bag / Carton |


