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Knot Style Nylon Cavity Universal Wall Plugs Four Wing Expansion Anchor For Curtain Rod Hollow Brick Mounting

Name: Knot Style Nylon Cavity Universal Wall Plugs Four Wing Expansion Anchor For Curtain Rod Hollow Brick Mounting
Brand: Hebei Cangrui Plastic Products Co., Ltd
SKU: Universal Wall Plugs
Price: 0.03 USD
Availability: InStock

Brand Name:	CangRui
Model Number:	Universal Wall Plugs
MOQ:	100 Pieces
Price:	USD 0.03-0.20 / Piece
Payment Terms:	T/T,L/C,PayPal,Western Union
Supply Ability:	1000000 Pieces per Month

Detail Information

Product Description

Detail Information

Place of Origin:

Hebei, China

Certification:

ISO9001

Material:

Nylon PA6

Finish:

Bright(Uncoated)

Color:

White, Grey, OEM

Fastener Type:

Four-Wing Sleeve Anchor

Wing Count:

4 Wings

Measurement System:

Metric

Connection Method:

Bolt Joint

Corrosion Proof:

100% Rust-Free

Screw Size:

Anchor Length:

35mm

Drill Hole:

8mm

Use Case:

Curtain Rods

Lock Type:

Knot-Style

Substrate:

Hollow Brick

Packaging Details:

Inner poly bag or small box, export corrugated carton with custom marking available

Highlight:

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Product Description

Knot-Style Nylon Cavity Wall Plug Four-Wing Expansion Anchor for Curtain Rod Hollow Brick Mounting

Product Description

The M5 x 35mm Nylon Four-Wing Knot Expansion Wall Plug is a medium-duty plastic fastening solution designed for curtain rod brackets, window hardware, and blind fixtures on hollow brick and cavity wall surfaces. The anchor features a four-wing knot-expansion mechanism made from durable PA6 nylon. When the M5 screw is driven into the anchor body, the wings fold outward inside the hollow brick cavity, creating a knot-style mechanical lock that grips the inner wall surface firmly. Installation is simple: drill an 8mm hole into the hollow brick, insert the anchor flush, position your curtain rod bracket, and drive the M5 screw through the bracket into the anchor until the wings deploy and resistance confirms a solid lock.

Features

Rust-Proof Nylon Construction - Manufactured from 100% rust-proof PA6 nylon, this anchor maintains its structural integrity indefinitely in window areas where condensation and humidity are common environmental factors.

Knot-Style Cavity Lock - The distinctive knot-expansion design causes the four wings to fold outward and interlock behind the hollow brick face, creating a secure anchor point that resists the repeated tension of curtain operation.

Easy Pre-Drill Installation - Clean 8mm pre-drilled hole preparation ensures precise anchor placement with minimal substrate damage, while the ribbed body prevents spinning during screw driving for reliable wing deployment.

Wide Wing Bearing Area - The four-wing design expands to an 18mm diameter behind the wall, distributing pull-out forces across a generous bearing area for stable long-term curtain rod support.

Technical Parameters

General Information
Product Name	Nylon Four-Wing Knot Expansion Wall Plug UW Series
Model Number	UW-M535
Screw Diameter	M5
Anchor Length	35mm
Wing Count	4 Wings
Material	Nylon PA6 / Polyamide Engineering Plastic
Color Options	White, Grey, Blue, Natural (customizable)
Anchor Structure	Four-wing folding body with knot-expansion mechanism
Dimensions & Compatibility
Drill Hole Diameter	8mm
Min Embedment Depth	38mm
Wing Expansion Range	8-18mm
Pre-drill Required	Yes - drill hole to recommended diameter
Recommended Drill Type	Masonry drill bit for hollow substrates
Load Capacity
Load Capacity (Plasterboard)	Up to 22kg per anchor
Load Capacity (Hollow Brick)	Up to 30kg per anchor
Pull-Out Resistance	Varies by substrate density and wing expansion depth
Shear Strength	Up to 35kg in 12.5mm plasterboard
Installation
Installation Method	Pre-drill hole → insert anchor flush → drive screw to expand wings
Installation Tool	Drill + Screwdriver / Impact driver with Phillips bit
Key Mechanism	Screw drives into anchor body forcing four wings to fold outward creating knot-lock
Anti-Rotation Feature	Ribbed body prevents spinning during screw insertion
Application
Suitable Substrates	Plasterboard, Drywall, Gypsum Board, Hollow Brick, Cavity Wall, Aerated Concrete, Lightweight Concrete
Common Uses	Curtain Rod Brackets and Window Hardware on Hollow Brick
Environmental & Compliance
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
Packaging
Standard Packaging	100 / 200 / 500 / 1000 pieces per box or poly bag
Screws Included	Anchors sold separately, matching screw kits available
Certifications	ISO 9001:2015

Knot Style Nylon Cavity Universal Wall Plugs Four Wing Expansion Anchor For Curtain Rod Hollow Brick Mounting

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 wall plugs?

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 wall plug be used for?

It is widely applicable to gypsum board, plasterboard, hollow brick, aerated concrete, light concrete and cavity wall, no need pre-drilling for soft substrates.

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.

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