Frequently Bought Together
Everything you need in one click
Knauf TN25 Drywall Screw 3.5 x 25mm- 1000 pcs/pkt
30M Measuring Tape
SATA GL61224 T-Series Phillips 3 x 150mm VDE Insulated Screwdriver
Total THTDC2156 125MM Slotted Screwdriver
Individual Price
37.00Buy selected items separately
Bundle Price
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Delivery by Tuesday, 15 Sep
- TN25 screw measures 3.5 x 25mm.
- Supplied as 1000 pieces per pack.
- Used for fixing gypsum boards to compatible metal profiles.
- Black phosphate coating suits drywall fixing use.
- Suitable for professional drywall installation.
- Use the correct fixing pattern for the Knauf system.
Key Features
Delivery by Tuesday, 15 Sep
- 100% free subscription
- Easy Registration
Frequently Bought Together
Everything you need in one click
Knauf TN25 Drywall Screw 3.5 x 25mm- 1000 pcs/pkt
30M Measuring Tape
SATA GL61224 T-Series Phillips 3 x 150mm VDE Insulated Screwdriver
Total THTDC2156 125MM Slotted Screwdriver
Individual Price
37.00Buy selected items separately
Bundle Price
Features & Benefits
Specified Screw Size
The 3.5 x 25mm screw format matches the supplied product specification for the intended drywall fixing application.
Bulk Pack
The pack contains 1000 pieces for repetitive professional installation work.
Drywall System Application
Used for fixing gypsum boards to compatible metal profiles.
Compatible Fixing
Use the screw only with board and framing thicknesses permitted by the applicable Knauf system specification.
Professional Installation
Correct screw spacing, embedment and edge distances should follow the selected Knauf drywall system details.
Key Specifications
Custom Stock Status
In Stock
Brands
Knauf
Quantity Unit
PKT
Item Type
Drywall Screw
Length
25 mm
Diameter
3.5 mm
Usage
Construction and Carpentry, Automotive Repair and Maintenance, Plumbing and Pipe Fitting, Metalworking and Welding, Woodworking and Cabinetry, Heating, Ventilation, and Air Conditioning
Best Seller
Yes
Products Ranking
#2 in Screws
Product Attachments
Download technical documentation, manuals, and certification documents
17309-PKT_Data_Sheet
Download all product documents in a single ZIP file.
1 PDF
Product Attachments
Swipe to browse documents
17309-PKT_Data_Sheet
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1 PDF
Frequently Asked Questions
What is the Knauf Drywall Screw 3.5x25mm 1000Pcs used for?
These screws are designed for installing drywall panels to studs. With a 3.5 mm diameter and 25 mm length, a box of 1000 screws is ideal for typical interior drywall projects in both homes and commercial spaces. The zinc finish adds corrosion resistance for dry interior conditions.
What are the key specifications of this screw?
Diameter: 3.5 mm; Length: 25 mm; Material: high-quality steel; Finish: zinc-coated; Threading: standard drywall thread; Pack size: 1000 screws per box.
What does the zinc coating mean for durability and where should I use it?
Zinc coating provides corrosion resistance, making these screws suitable for interior drywall installations and humid indoor areas. They are not intended for exterior exposure or submerged environments.
How should I install Knauf drywall screws for best results?
Use a Phillips #2 bit with an impact driver or screwdriver. Drive the screw until the head sits slightly below the drywall surface without tearing the paper. Avoid overtightening to prevent stud damage. No pre-drilling is typically required for standard gypsum board when anchoring into studs.
Which drywall thickness is compatible with these screws?
The 25 mm length works well with standard drywall thicknesses such as 1/2 inch (12.5 mm) and can also be suitable for 5/8 inch (15.6 mm) boards when anchoring into studs. Always ensure you’re going into a stud for maximum hold.
Are these screws suitable for humid areas like bathrooms?
The zinc-coated screws offer some corrosion resistance for interior humidity, but for bathrooms or high-moisture locations you may want screws with enhanced corrosion resistance or stainless options depending on the exposure level.
What safety considerations should I follow when handling and installing these screws?
Wear eye protection to guard against metal splinters, gloves to protect hands, and store the screws in a dry place. Keep small parts away from children and pets to prevent accidental ingestion or injury.
What is the return policy for this item on Fepy?
If you need to return this item, Fepy supports returns per its standard policy. The item should be in resaleable condition and in its original packaging; contact support to initiate a return and obtain instructions.
Is a 1000-piece box a good value for drywall projects?
Yes. A 1000-piece box provides convenience for larger projects, reduces the need to reorder mid-project, and often yields a lower cost per screw compared with smaller packs.
How does this Knauf drywall screw compare to Gyproc drywall screws (3.5x25mm) available on Fepy?
Knauf and Gyproc screws of the same size typically offer similar performance with differences mainly in branding, minor coating variations, and pricing. If you’re comparing, you can view Gyproc’s 3.5x25mm 1000Pcs listing here: https://www.fepy.com/product/gyproc-drywall-screw-3-5x25-1000pcs
Frequently Asked Questions
These screws are designed for installing drywall panels to studs. With a 3.5 mm diameter and 25 mm length, a box of 1000 screws is ideal for typical interior drywall projects in both homes and commercial spaces. The zinc finish adds corrosion resistance for dry interior conditions.
Diameter: 3.5 mm; Length: 25 mm; Material: high-quality steel; Finish: zinc-coated; Threading: standard drywall thread; Pack size: 1000 screws per box.
Zinc coating provides corrosion resistance, making these screws suitable for interior drywall installations and humid indoor areas. They are not intended for exterior exposure or submerged environments.
Use a Phillips #2 bit with an impact driver or screwdriver. Drive the screw until the head sits slightly below the drywall surface without tearing the paper. Avoid overtightening to prevent stud damage. No pre-drilling is typically required for standard gypsum board when anchoring into studs.
The 25 mm length works well with standard drywall thicknesses such as 1/2 inch (12.5 mm) and can also be suitable for 5/8 inch (15.6 mm) boards when anchoring into studs. Always ensure you’re going into a stud for maximum hold.
The zinc-coated screws offer some corrosion resistance for interior humidity, but for bathrooms or high-moisture locations you may want screws with enhanced corrosion resistance or stainless options depending on the exposure level.
Wear eye protection to guard against metal splinters, gloves to protect hands, and store the screws in a dry place. Keep small parts away from children and pets to prevent accidental ingestion or injury.
If you need to return this item, Fepy supports returns per its standard policy. The item should be in resaleable condition and in its original packaging; contact support to initiate a return and obtain instructions.
Yes. A 1000-piece box provides convenience for larger projects, reduces the need to reorder mid-project, and often yields a lower cost per screw compared with smaller packs.
Knauf and Gyproc screws of the same size typically offer similar performance with differences mainly in branding, minor coating variations, and pricing. If you’re comparing, you can view Gyproc’s 3.5x25mm 1000Pcs listing here: https://www.fepy.com/product/gyproc-drywall-screw-3-5x25-1000pcs
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100% secure payment processing
256-bit SSL encryption
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On all orders above AED 200 across UAE
Same Day In Abu Dhabi & Dubai
100% Genuine
Authentic products guaranteed
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