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Wedge Anchors
  • Wedge Anchors
  • Wedge Anchors
  • Wedge Anchors
  • Wedge Anchors
  • Wedge Anchors
  • Wedge Anchors
  • Wedge Anchors

Wedge Anchors

Place of Origin Jiangsu
Brand Name Fastener Lover
Certification SGS,ISO9001,BSCI
Product Details
Silver, Copper, Black, Blue
Hex, Octagon, Pentagon, Custom
Number Of Production Lines:
Guardrail, Canopy, Air Conditioning, Cement
Number Of R&D:
Product Name:
Extension Screws
Strength Class:
Grade 4.8, 4.8, A4-70, 100HV, Grade 8.8 A, A2-70
Surface Treatment:
Galvanized, Untreated, Whitewashed, Zinc Plated, Color Zinc Plated
Casing Length:
Standard Number:
Casing O.D.:
High Light: 

electrical box extension screws


receptacle extension screws


electrical screw extension

Payment & Shipping Terms
Minimum Order Quantity
$0.01-0.1 pcs
Packaging Details
Delivery Time
15-30 days
Payment Terms
TT,West union,LC
Supply Ability
800000 A Week
Product Description

Fastener Lover Aluminumm/Brass/Iron Custom extension screws

Extension screws, also known as threaded rod extensions or threaded stud extensions, are fasteners used to extend the length of a threaded rod or stud. They provide a means of connecting two threaded components while increasing the overall length. Here is a description of extension screws:

  1. Construction: Extension screws are typically made of metal, such as steel, stainless steel, or brass. They have a threaded shaft along their entire length, allowing for engagement with nuts or threaded holes on both ends. The diameter and thread pitch of the extension screw are designed to match the existing threaded rod or stud.

  2. Length Extension: The primary purpose of an extension screw is to increase the length of a threaded rod or stud. By connecting two threaded components together using an extension screw, the overall length can be extended to meet the desired requirements. This is particularly useful in applications where the available threaded rod or stud is too short to reach and secure the intended components.

  3. Thread Compatibility: Extension screws are designed to be compatible with standard thread types, such as metric or imperial (Unified National Coarse or Unified National Fine). It is essential to ensure that the extension screw has matching thread specifications to the threaded rod or stud it is being connected to. This ensures proper engagement and secure fastening.

  4. Installation: To install an extension screw, the existing threaded rod or stud is inserted into one end of the extension screw. A nut is then threaded onto the exposed portion of the rod or stud. The other end of the extension screw is inserted into the receiving component, and a second nut is threaded onto the exposed portion of the extension screw. By tightening the nuts on both ends, the extension screw securely connects the threaded components while maintaining the desired length.

  5. Applications: Extension screws find applications in various industries and projects. They are commonly used in construction, manufacturing, plumbing, electrical installations, and DIY projects where the need for length adjustment or extension of threaded rods or studs arises. Extension screws provide a flexible and convenient solution for connecting threaded components of different lengths.



Black, ZINC, Plain, Black Oxide, ZINC PLATED, BLUE DYED, Cadmium Plated, Zinc-aluminum Coated, Chrome Plated, Zinc-Flake Coated, Silver Plated, Blue Anodized
Brass, stainless steel, Steel, Aluminium, Plastic, Titanium, NICKEL, Bronze, Nylon
Measurement system
INCH, Metric
Head Style
Pan, Truss, Flat, Oval, Round, HEX, Cheese, Binding
Place of Origin
Brand Name
Fastener Lover
Model Number
swaq-DIN 7331-1993
Product nameR
Custom extension screws
Model Number
swaq-DIN 7331-1993
4.8/ 8.8/ 10.9/ 12.9 Ect
Cartons+plastic Bags



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