WINDOW SCREW / Landwide Screw is not only a screw factory but also a consultant, service provider assisting partners all over the world to find suitable solution in their fastener business over 25 years

Screws, nuts and bolts made with special coating, ISO processes. Self-drilling and self-tapping screws 100% made in Taiwan. Screws plating and coating with zinc, nickel, chrome. Great range of self drilling screw , self tapping screw , concrete screw, roofing screw , flange washer head screw, stainless steel screw.

Top choice of screw


WINDOW SCREW - Window screw
  • WINDOW SCREW - Window screw

Window screw

Head Type: Flat head, Round head

Landwide provides full range of screws for window application.


Landwide's window screw provides maximize pullout performance and minimize back-out. Applicable for medium duty purpose, roof deck and steel frame. Extra enhancement via yellow zinc plated, zinc, or made of stainless steel.

Pan Head
M3.9 X 13M4 X 13M4.2 X 16
M3.9 X 16M4 X 16M4.2 X 19
M3.9 X 19M4 X 19M4.2 X 22
M3.9 X 22M4 X 22M4.2 X 25
M3.9 X 25M4 X 25M4.2 X 28
M3.9 X 32M4 X 30M4.2 X 30
M3.9 X 38M4 X 32M4.2 X 32
M3.9 X 45M4 X 38M4.2 X 40
 M4 X 40M4.2 X 45
 M4 X 45M4.2 X 50
 M4 X 55M4.2 X 55

† Upward are most common sizes used in window screw. For more sizes or special design requirement, please contact Landwide via for more information.

Frequently Asked Questions
What are your ranges of manufacture sizes of screws?

Dia: 3.0mm-16.0mm (Min.-Max.) Length:5.0mm-300.0mm (Min.-Max.)

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WINDOW SCREW | Over 25 Years Screws, nuts and bolts Manufacturer | Landwide

Located in Taiwan R.O.C., Landwide Co., Ltd., since 1992, is a WINDOW SCREW | screw manufacturer. Specialized in metal screws plating and coating with zinc, nickel, chrome, Landwide supplies self-tapping & self-drilling screws with flexibility.

ISO manufacturing, great range of tek screws, materials & grades, high strength, custom design, special coating, packaging and value-added services, Landwide's screw production includes self tapping screws, self drilling screws, roofing screws, concrete screws, metal roofing screws, tek screws, washer head screws, double threaded screws, etc.

Landwide has been offering worldwide customers high-quality custom fastener manufacturing, both with advanced technology and 27 years of experience, Landwide ensures meet each customer's demands are met.