CORROSHIELD® Fasteners BOTAPP® Board Fixing Screw
BOTAPP® is a premium board fixing screw designed for consistent fastening in board and drywall-related applications. With a low-profile countersunk (CSK) head, BOTAPP® delivers a neat finish while supporting stable seating during installation.
The full-thread design helps improve grip, and the LEVIN® drill point supports efficient driving on site.
Best for:
Contractors, fabricators, and project teams who want dependable board fixing with repeatable performance across installations.
Contractors, fabricators, and project teams who want dependable board fixing with repeatable performance across installations.
Specification
Material: Carbon Steel
Head: Low Profile Countersunk (CSK)
Drive type: Phillips (PH2)
Thread: Full Thread
Drill point: LEVIN® Drill Point (variant dependent)
Drilling Capacity: Up to 3.0mm steel (variant dependent)
Where BOTAPP® is used
BOTAPP® is ideal for board fixing work where a flush countersunk finish and strong hold are required.
Common applications:
Common applications:
Fixing board into timber purlins
Board fixing / drywall applications
Board-to-steel fixing in light steel sections (within drilling capacity)
Note: If you’re unsure about substrate thickness or which size to use, share your application details and we’ll recommend the right BOTAPP® specification.
Why choose BOTAPP®?
/1
Superior holding power
Full-thread engagement supports strong grip for stable board fixing.
/2
Flush, professional finish
The low-profile CSK head is designed to sit neatly and reduce surface protrusion.
/3
Controlled seating for better installs
Underhead design supports stable embedment and helps reduce common issues like overdriving and loosening.
/04
Faster installation
LEVIN® drill point supports efficient drilling and driving, saving time on repetitive fastening jobs.
Quality you can trust
BOTAPP® is part of a premium fastener range supported by strict quality control practices and testing capabilities.
Every batch is designed to meet consistent performance expectations—including dimensional checks and mechanical verification—so you can specify with confidence for board fixing work.
How to Select the Right BOTAPP® Screw?
Identify the application – Choose the BOTAPP® screw based on whether it’s for Wood-to-Wood or Metal-to-Metal fastening.
Check substrate thickness – Match the screw length and drill point to the steel or support thickness to ensure secure penetration and grip.
Select sealing requirements – Opt for EPDM-sealed washers where water-tightness and weather resistance are critical.
Consider environment & load – Pick corrosion-resistant coatings and appropriate head types based on exposure conditions and structural load needs.
Get Pricing & availability for BOTAPP®
Frequently asked questions
BOTAPP® is used for board fixing applications, including fixing board into timber purlins and selected board-to-steel applications where a countersunk finish is required.
Yes. BOTAPP® is specifically positioned for fixing board into timber purlins, supporting stable grip and consistent seating.
BOTAPP® can be used for board-to-steel applications depending on the variant and steel thickness. Share your substrate thickness and our team will confirm suitability.
BOTAPP® uses a Phillips drive (PH2).
BOTAPP® is a CSK (countersunk) head screw with a low-profile design for flush finishing.
BOTAPP® is available in Ø 3.9 (7g) and Ø 4.8 (10g) diameters with multiple lengths (25mm to 75mm depending on diameter).
Use the correct bit, maintain steady pressure, and stop driving once the head becomes flush with the surface. The underhead design also supports more controlled seating.
Choose length based on board thickness + substrate thickness + required embedment. If you share these details, we’ll recommend the right size quickly.
