LAG 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 for 29 years

Made in Taiwan LAG SCREW. Type: DIN 571 / DIN96 / DIN97 / DIN95 / DIN7996 / DIN7997 / DIN7995 in lengths from 16mm - 300mm. 25 years screws manufacturing for roofing, decking, miscellaneous uses, etc. Screws with special plating and coating including zinc, nickel and chrome. Great selection of screws: self drilling screws, self tapping screws, concrete screws, roofing screws, flange washer head screws, stainless steel screws and more.

Top choice of screw

LAG SCREW - Wood screw
  • LAG SCREW - Wood screw


Type: DIN 571 / DIN96 / DIN97 / DIN95 / DIN7996 / DIN7997 / DIN7995 in lengths from 16mm - 300mm.


Landwide is the source for wood screws. We carry wood screws in every conceivable thread and head style combination to ensure that you always have the right screw for the job.

  • All types of wood.
M4 X 16#8 X 5/8"M5 X 16#10 X 5/8"M6 X 25#12X1"
M4 X 20#8 X 3/4"M5 X 20#10 X 3/4"M6 X 30#12X1-3/16"
M4 X 25#8 X 1"M4 X 25#10 X 1"M6 X 35#12X1-3/8"
M4 X 30#8X -3/16"M4 X 30#10X1-3/16"M6 X 40#12X1-5/8"
M4 X 35#8 X 1-3/8"M4 X 35#10X1-3/8"M6 X 45#12X1-3/4"
M4 X 40#8 X 1-5/8"M4 X 40#10X1-5/8"M6 X 50#12X2"
M4 X 45#8 X 1-3/4"M4 X 45#10X1-3/4"M6 X 60#12X2-3/8"
M4 X 50#8 X 2"M4 X 50#10 X 2"M6 X 70#12X2-3/4"
M4 X 60#8 X 2-3/8"M4 X 60#10X2-3/8"M6 X 80#12X3-3/52"
  M5 X 70#10X2-3/4"M6 X 90#12X3-1/2"
  M5 X 80#10X3-3/52"  

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

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

Located in Taiwan R.O.C., Landwide Co., Ltd., since 1992, is a LAG 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 29 years of experience, Landwide ensures meet each customer's demands are met.