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{"title":"Four Wing Knot Expansion Universal Wall Plugs Nylon Hollow Drywall Anchor For","imgUrl":"https:\/\/img.chinax.com\/nimg\/52\/95\/c45448ef14dc5b5acf94cbb5c674-200x200-1\/four_wing_knot_expansion_universal_wall_plugs_nylon_hollow_drywall_anchor_for_light_picture_frame_mounting.jpg","attrs":{"Finish":"Bright(Uncoated)","Minimum Order Quantity":"100 Pieces","Packaging Details":"Inner poly bag or small box, export corrugated carton with custom marking available","Supply Ability":"1000000 Pieces per Month"}}
{"title":"Moisture Proof Nylon Four Wing Knot Plastic Expansion Plug For Bathroom","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/fe\/4801fcf97bf910844cdbfa8feaf0-200x200-1\/moisture_proof_nylon_four_wing_knot_plastic_expansion_plug_for_bathroom_plasterboard_fixtures.jpg","attrs":{"Payment Terms":"T\/T,L\/C,PayPal,Western Union","Finish":"Bright(Uncoated)","Price":"USD 0.03-0.20 \/ Piece","Packaging Details":"Inner poly bag or small box, export corrugated carton with custom marking available"}}
{"title":"Crack Resistant Nylon Knot Plastic Expanding Wall Anchors Four Wing Plug For","imgUrl":"https:\/\/img.chinax.com\/nimg\/cc\/19\/7a43942e6856b615c3fbc47d5f5d-200x200-1\/crack_resistant_nylon_knot_plastic_expanding_wall_anchors_four_wing_plug_for_gypsum_board.jpg","attrs":{"Brand Name":"CangRui","Wing Count":"4 Wings","Screw Size":"M5","Place of Origin":"Hebei, China"}}
{"title":"Wide Load Nylon Four Wing Expansion Universal Wall Plugs For Shelf Aerated","imgUrl":"https:\/\/img.chinax.com\/nimg\/31\/24\/b78cd4d489a6efed1c9815c19ec9-200x200-1\/wide_load_nylon_four_wing_expansion_universal_wall_plugs_for_shelf_aerated_concrete_mounting.jpg","attrs":{"Finish":"Bright(Uncoated)","Place of Origin":"Hebei, China","Minimum Order Quantity":"100 Pieces","Certification":"ISO9001"}}
{"title":"Non Conductive Nylon Knot Plastic Wall Plugs Four Wing Expansion Anchor For","imgUrl":"https:\/\/img.chinax.com\/nimg\/90\/70\/a40de6c00f655d99cdc9bdcbb514-200x200-1\/non_conductive_nylon_knot_plastic_wall_plugs_four_wing_expansion_anchor_for_cable_tray_hollow_wall_installation.jpg","attrs":{"Finish":"Bright(Uncoated)","Minimum Order Quantity":"100 Pieces","Delivery Time":"3-7 days for stock, 10-20 days for production","Substrate":"Hollow Wall"}}
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
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
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2015
Total Annual:
12000000-15000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Hebei Cangrui Plastic Products Co., Ltd is a professional manufacturer specializing in the production of high-quality plastic fastening products for the construction and building materials industry. With years of manufacturing experience and a strong commitment to quality, we have become a trus... Hebei Cangrui Plastic Products Co., Ltd is a professional manufacturer specializing in the production of high-quality plastic fastening products for the construction and building materials industry. With years of manufacturing experience and a strong commitment to quality, we have become a trus...
