Drill Screw FLAT(-R) / FLAT-(R)S Type
Since it has a flat head, the head will not be exposed after installation.
This is a self-tapping drilling screw that can fasten steel plates in a single process. The "FLAT type" is made of steel with trivalent chromate treatment, the "FLAT-S type" is made of stainless steel with excellent corrosion resistance, the "FLAT-R type" is made of steel with trivalent chromate treatment and includes a reamer, and the "FLAT-RS type" is made of stainless steel with excellent corrosion resistance and includes a reamer. The head shape is flat, making it suitable for siding installation and water drainage installation. Additionally, the "FLAT-R / RS" types with a reamer are suitable for fastening wood and other materials to steel plates. For more details, please contact us or view the catalog on our website. 'FLAT / FLAT-S type' https://sanko-techno.co.jp/products/siding/anchor02/?parent_url=https://sanko-techno.co.jp/products/fastening/siding/ ☆ On our website, you can view technical documents (test reports, CAD data, product specifications, material certificates, etc.). *Membership registration (free) is required.
basic information
【Features】 ○ Can be installed flush with a cross-recessed head ○ Minimal wobble, allowing for precise penetration and tightening in a single operation ○ Steel version treated with trivalent chromate for environmental and corrosion resistance ○ Stainless steel version employs SPAC treatment ○ Equipped with a reamer (Otafuku) at the cutting edge to prevent board lift and burning of the cutting edge when fastening boards (wood, etc.) to steel plates (FLAT-R / RS type) FLAT Type ○ Made of steel ○ Trivalent chromate treatment ○ Available in 3 sizes (3.5/4.0/5.0) FLAT-S Type ○ Made of stainless steel (SUS410) ○ SPAC treatment ○ Available in 2 sizes (4.0/5.0) FLAT-R Type ○ Made of steel ○ Trivalent chromate treatment ○ Equipped with a reamer ○ Available in 3 sizes (4.0/5.0/6.0) FLAT-RS Type ○ Made of stainless steel (SUS410) ○ SPAC treatment ○ Equipped with a reamer ○ Available in 2 sizes (4.0/5.0) ● For more details, please contact us or refer to the catalog.
Price range
Delivery Time
Model number/Brand name
FLAT type
Applications/Examples of results
○ Installation of siding ○ Installation of aluminum sashes ○ Installation of water drainage ○ Installation of handrails ○ Fixing of wiring/piping ○ Installation of distribution boards ○ Installation of window frame sashes, etc. ○ Fastening of boards (wood, etc.) to steel plates (FLAT-R / RS type)
Detailed information
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Founded in 1964, our company has grown with a primary focus on the development and sales of post-installed anchors, which are used to install equipment into concrete structures, supporting safe and secure living environments. Building on this expertise, we have also developed seismic reinforcement methods and alcohol detection devices designed to prevent drunk driving, contributing to the maintenance and advancement of social infrastructure through diverse business activities. For inquiries regarding our products and services, please feel free to contact us.