Heavy Duty Nylon Self-Tapping Plasterboard Anchor Spiral Wall Plug for Handrail and Grab Bar Safety Mounting
Product Description
The Heavy Duty Nylon Self-Tapping Plasterboard Anchor is a rugged plastic fastening solution engineered for safety-critical handrail, grab bar, and accessibility fixture installations on plasterboard and double-layer drywall surfaces. The anchor features an impact-resistant PA6 nylon core that withstands sudden dynamic loads typical of handrail and grab bar usage, along with natural vibration-dampening properties that prevent anchor loosening over years of service on plasterboard walls. The deep spiral thread design maximizes surface contact within the gypsum board structure, creating a dependable mechanical lock that resists pull-out forces in both single and double-layer plasterboard installations. A flat disc base provides a flush bearing surface for clean, professional-looking installations. To install on plasterboard, mark the mounting position, position the conical tip, and drive clockwise with an impact driver until the disc base sits flush and firm resistance confirms proper seating.
Features
Impact-Absorbing Nylon Core - The specially formulated impact-resistant PA6 compound absorbs sudden shock loads from handrail grab events on plasterboard walls without cracking, maintaining anchor integrity in safety-critical applications where failure is not an option.
Seismic-Grade Vibration Control - The nylon body naturally dampens building vibrations transmitted through plasterboard walls from foot traffic and door slamming, preventing gradual anchor loosening that compromises safety grab bar reliability over time.
Progressive Thread Locking - Thread pitch gradually tightens toward the anchor head, concentrating grip density near the plasterboard surface where pull-out forces peak — a critical feature for handrail installations subject to repeated loading on gypsum walls.
Double-Layer Drywall Penetration - The 60mm length and 12mm diameter with deep spiral threads achieve strong mechanical interlock through single and double-layer plasterboard, delivering up to 42kg load capacity for safe handrail and grab bar anchoring.
Technical Parameters
| Product Name |
Nylon Spiral Self Tapping Wall Anchor ST Series |
| Model Number |
ST-12060 |
| Anchor Diameter |
12mm |
| Anchor Length |
60mm |
| Material |
Nylon PA6 / Polyamide Engineering Plastic |
| Color Options |
White, Grey, Natural (customizable) |
| Anchor Structure |
Spiral helical body with conical drill tip and disc base |
| Matching Screw Size |
M8 (self-tapping screw) |
| Self-Drilling Tip |
Sharp conical pointed tip |
| Base Type |
Wide disc flange for wall surface support |
| Thread Type |
Deep spiral / helical cutting thread |
| Pre-drill Required |
No for drywall/plasterboard; optional for concrete/brick |
| Recommended Drill Size |
12mm or 11mm for hard substrates |
| Load Capacity (Plasterboard) |
Up to 42kg per anchor |
| Pull-Out Resistance |
Varies by plasterboard thickness and anchor size |
| Shear Strength |
Up to 68kg in 12.5mm plasterboard |
| Installation Method |
Self-tapping — screw directly into plasterboard surface |
| Installation Tool |
Screwdriver / Impact driver with Phillips bit |
| Installation Steps |
Mark position → place tip on plasterboard → drive clockwise until flush → insert screw |
| Key Benefit |
No pre-drilling required for plasterboard and gypsum board surfaces |
| Anti-Rotation Feature |
Integrated anti-spin ribs prevent rotation during installation |
| Suitable Substrates |
Plasterboard, Drywall, Gypsum Board (also compatible with Hollow Brick, Cavity Wall, Aerated Concrete, Lightweight Concrete) |
| Common Uses |
Handrail and Safety Grab Bar Mounting on Plasterboard |
| Temperature Range |
-40°C to +80°C |
| Environmental Suitability |
Indoor and outdoor use (UV-stabilized PA6) |
| Corrosion Resistance |
100% rust-proof plastic construction |
| Compliance |
RoHS Compliant, REACH Compliant |
| Standard Packaging |
100 / 200 / 500 / 1000 pieces per box or poly bag |
| Screws Included |
Anchors sold separately, screw kits available |
| Certifications |
ISO 9001:2015 |




FAQ
Do you have full standard sizes in stock for plastic expansion anchors?
We have complete conventional sizes in stock, full specifications ready for immediate shipment, support mixed size bulk wholesale.
What is the material and load-bearing capacity of your plastic spiral anchors?
Made of high-quality new engineering plastic, high toughness anti-crack; stable holding force for drywall, hollow wall and plasterboard, suitable for light and medium load installation.
What types of walls and base materials can this plastic spiral anchor be used for?
It is widely applicable to gypsum board, plasterboard, hollow brick, aerated concrete, light concrete and cavity wall, no need pre-drilling.
What is your MOQ and wholesale price discount policy?
Low MOQ supports small batch trial order; the more quantity you order, the more favorable wholesale price, exclusive discount for long-term distributors.
What is your production lead time and mass supply capacity?
Spot goods can be shipped within 3-7 days; large batch orders 7-15 days, stable daily output to support continuous large-volume supply for distributors.
Can you customize size, color, packaging and OEM private label?
We support custom size, color, box packaging, carton marking and OEM/ODM private label service for your local market sales.
Do you support mixed batch with other fastener products?
Yes, you can mix order with our other fasteners like screws, bolts and wall plugs to fill one container conveniently.
Can I get free samples for quality checking?
Free samples are available, customers only need to bear the freight; sample size and quantity can be arranged according to your requirement.