3IN1 Multi-Function Clip Screw

Pancake head metal-to-wood clip screw is designed for standing-seam roof clips and compatible with OSB and plywood.
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Material : Carbon steel、Stainless steel

Application : Light Gauge Steel、Wood、Plywood、OSB

Size : #5 - 5/16、M3 - M8

Length : 3/8" - 15 3/4"、9L - 400L

We can provide a customized service (including head style and surface treatment) to solve you problems.

  • Surface Treatment
  • Screw Drivers
  • Size

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Size: #5 - 5/16、M3 - M8
Highlight: Patent

Product Description

Close-up of the 3IN1 Multi-Function Clip Screw featuring a low-profile pancake head for roof clip applications, sharp arrowy tip for fast drilling, and twister thread design for low drive torque, ideal for standing-seam roof clips, OSB, and plywood fastening

Pancake Head Meta-to-Wood Clip Screw 

Pancake Head Design

  • Pancake head provides excellent pull over strength.

  • Specifically engineered for roof clip applications, offering secure fastening without damaging panels.

Arrowy Tip for Fast Drilling

  • Sharp, precision-cut tip penetrates materials quickly.

  • Reduces pre-drilling needs and installation time.

Twister Thread for Easy Drive

  • Twister thread design features low driving torque, reducing installation effort and saving labor.

  • Provides strong holding power in metal-to-wood, OSB, and plywood applications.

Versatile Multi-Surface Use

  • Ideal for roofing contractors, carpenters, and DIY projects.

  • Perfect for standing-seam roof clips, decking, and other fastening jobs.

Durable Construction

  • Made with CSC carbon steel for exceptional strength and durability.

  • Engineered for long-lasting performance in demanding outdoor.

Specification

Close-up of the 3IN1 Roofing Clip Screw on OSB board, shown with a standing seam roof clip. This multi-function screw is designed for attaching roof clips to wood and is ideal for clip-less metal roofing installations.

The 3IN1 Roofing Clip Screw is engineered to securely attach standing seam roof clips to wood substrates, making it the preferred fastener for clip-less metal roof panels

Designed for strength and ease of installation, this screw provides optimal holding power while streamlining roofing installation for contractors and builders.


The 3IN1 Roof Clip Screw is a premium multi-function fastener engineered for metal-to-wood, OSB, and plywood applications. Designed with advanced penetration and pull-out performance, it outperforms standard clip screws in speed, strength, and reliability. 

Backed by professional laboratory testing, this high-performance roofing and construction screw delivers proven results for contractors seeking efficiency, durability, and versatility.


Penetration Test Data _ Metal to Wood  

Screw Size: 5.0×38mm (#10×1-1/2") | Load: 15kg | Speed: 2500RPM | Material Thickness: 0.5mm Steel

1.  Left: HRB60 Metal to Wood.

2. Right:  HRB90 Metal to Wood.

Line chart comparing penetration times of Standard Clip Screw (red line) and 3IN1 Clip Screw (blue line) on 0.5mm HRB60 steel, showing significantly faster drilling performance with the 3IN1 screw across five test points.Line chart showing penetration test results of Standard Clip Screw (red line) versus 3IN1 Clip Screw (blue line) on 0.5mm HRB90 steel, highlighting the superior speed and consistency of the 3IN1 screw over five trials.


  Pull-Out Test Data _ OSB and Plywood

Screw Size: 5.0×38mm (#10×1-1/2") | Load: 15kg | Speed: 2500RPM | Material Thickness : 19mm OSB and Plywood

1.  Left: thickness 19mm OSB.

2. Right: thickness 19mm Plywood.

Line chart comparing pull-out strength (kgf) of Standard Clip Screw (red line) versus 3IN1 Clip Screw (blue line) on 19mm OSB. The 3IN1 screw demonstrates higher and more consistent pull-out performance across five test points.Line chart comparing pull-out strength (kgf) of Standard Clip Screw (red line) versus 3IN1 Clip Screw (blue line) on 19mm plywood. The 3IN1 screw shows significantly higher pull-out strength and consistency across all five test points.




Comparison

3IN1 Clip Screw VS Regular Wood Screw

1. Left: Drill distance 9mm from timber edge on treated wood.

2. Right: Drill distance 12mm from timber edge on yellow pine wood.

Test result: 3IN1 multi-function clip screw shows anti-splitting drilling performance than regular wood screw.


3IN1 Clip Screw VS Self-Drilling Screw with Wings

1. Left: Cement board to 0.9mm steel

2. Right: OSB and Plywood to 0.9mm steel

Test result: 3IN1 muti-function composite screw features perfect countersunk and clean appearance finished on various materials.


FAQs

1. What are clip screws used for?

The 3IN1 Roofing Clip Screw, like other clip screws, is designed for attaching standing-seam roof clips to substrates such as wood, OSB, and plywood. Its low-profile pancake head ensures a strong, flush, and durable fastening solution for professional roofing projects.

2. How do you install a clip screw?

To install the 3IN1 Roofing Clip Screw, position the roof clip where needed and drive the screw through the clip into the substrate using the appropriate bit. Thanks to its sharp tip and efficient thread design, this screw often eliminates pre-drilling, allowing contractors to save time while ensuring a secure hold.

3. Are clip screws the same as pancake head screws?

Yes, most clip screws, including the 3IN1 Roofing Clip Screw, feature a flat pancake-style head. This head style offers superior pull-over strength and creates a clean, professional finish, making it ideal for visible roofing applications.

4. What materials are clip screws compatible with?

The 3IN1 Roofing Clip Screw works well on wood, OSB, plywood, and even light-gauge steel. Its versatile design makes it a go-to choice for securing roof clips, decking materials, and other installations requiring a reliable metal-to-wood connection.

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