Hex washer head self drilling 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

HEX WASHER HEAD - Hex washer head self drilling screw
  • HEX WASHER HEAD - Hex washer head self drilling screw



DIN7504K, DIN7504L

Self Drilling Screw Ind Hex Washer head is one of the most popular item among all the kinds and it is also widely applied.

Landwide makes the screws with well-formed drilling point that enhances the drilling performance. Less effort is needed while driving through.

It is optional to assemble with EPDM bonded washer for a better water resistance, especially in outdoors.

Combined with the different thread type to fix steel to steel or to fix steel to wood.

Landwide Screw DNA
  • Unique Point-to-Thread Design
    Provides maximum pullout strength and prevents stripout.
  • Precision Convex Drill Point
    Improves drilling performance while requiring less effort.
  • Non-Walking Point
    Provides fast metal engagement.
  • Tough & Weather Resistant
    From basic zinc coating to 3000 hours SST, a variety of coating options available to fit your environment.
  • EPDM Bonded Washer
    Plus EPDM bonded washer, screw will become sutiable for exterior environment.
  • Fixing cladding and roofing applications to hot and cold rolled purlins and rails.
  • Fastening liner panels and general components to steel.
  • Fixing steel to steel.
Point Selection

Landwide's drill point are well engineered for fast drilling with less effort needed. Select the point size base on your light / medium / heavy duty work.

REDUCED POINT2MM (1+1)Light duty steel to steel
#35 MM (2+3)Medium duty steel to steel
#48MM8 mm steel to steel
#512MMHeavy duty steel to steel
#6>12MMCustomized for thicker application
  • Nominal Size
    M3.5, M3.9, M4.2, M4.5, M4.8, M5.5, M6.3.
  • #6, #7, #8, #9, #10, #12, #14 (1/4").

  • Screw Length
    9.5mm ~ 300mm
  • 7/16" ~ 11".

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Application, Characteristics, Point size and Range of Self drilling screw Ind Hex Washer head

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.)

HEX WASHER HEAD | Landwide Screw - A professional screw factory provide standard screw, non-standard screw and also R&D service to world fastener business.

Located in Taiwan R.O.C. since 1992, Landwide Co., Ltd. is a HEX WASHER HEAD | screw manufacturer that is specialized in providing screws with ISO manufacturing, great range of tek screws, materials & grades, high strength, custom design, special coating, packaging and value-added services.

Landwide screw with 29 years of screw manufacturing experience, specialized in all kinds of standard and non-standard screws. Especially, we are keeping the R&D effort for other special specification and custom made products which continuously help partners create unique market position in this competitive industry. In Landwide, customer is at the heart of our business model which includes outstanding quality, professional consultant, on time delivery and competitive price.

Landwide has been offering worldwide customers high-quality screws & bolts, both with advanced technology and 29 years of experience, Landwide ensures each customer's demands are met.