Fermacell Screws 3.9 x 30mm (1000/Box)
Self-tapping screws for securely fixing Fermacell boards to timber or metal studs. Countersunk head for flush finish. Shorter length suits single-layer boards and standard partition work.
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Product Overview
Self-tapping screws for securely fixing Fermacell boards to timber or metal studs. Countersunk head for flush finish. Shorter length suits single-layer boards and standard partition work.
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, EH, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, SA, SY & TD
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £20 ex. VAT |
| Between £100 - £200 ex. VAT | £10 ex. VAT |
| Over £200 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{maximize}} Fine-thread design
- {{assignment_turned_in}} For gypsum fibreboard applications
- {{construction}} High-performance self-drilling screws
- {{more_time}} Durable fastening without the need for pre-drilling
Technical Specification
| Width: | 3.9mm |
|---|---|
| Length: | 30mm |
| Box Quantity: | 1000 |
| Sales Unit: | Box |
| Brand: | Fermacell |
| Manufacturer's Reference: | 79011 |
Technical Downloads
Product Overview
Fermacell Screws with a 3.9mm diameter and 30mm length, supplied in boxes of 1000. These high-performance self-drilling screws are designed specifically for fixing Fermacell Gypsum Fibre Boards to timber or metal subframes.
Manufactured from hardened steel with a corrosion-resistant phosphate coating, they provide secure and durable fastening without the need for pre-drilling. The fine-thread design ensures high pull-out strength, tight board contact, and clean countersinking without surface damage.
The 30mm length is suited to single-layer board fixing in standard wall and ceiling systems.
Features & Benefits
- Purpose-designed fastener: Engineered for secure fixing of Fermacell Gypsum Fibre Boards to timber or metal framing.
- High pull-out resistance: Fine-thread design provides strong mechanical grip and consistent clamping.
- Corrosion protection: Phosphate-coated finish offers long-term resistance against oxidation and moisture.
- Self-drilling point: Enables quick, efficient installation without pre-drilling.
- Clean countersinking: Screw head forms a flush finish suitable for direct filling or finishing.
- 30mm length: Suited to single-layer board fixing in standard wall and ceiling systems.
Applications
- Fermacell Gypsum Fibre Boards: Fixing boards to metal or timber substructures in drylining systems.
- Wall partitions: Suitable for single-layer Fermacell wall installations.
- Ceiling linings: Used for board fixing in suspended and direct-fix ceiling systems.
- Interior construction: Applicable across residential and commercial drylining frameworks.
Installation Guidance
- Preparation: Ensure substructure is level and properly aligned before fixing.
- Fixing: Drive screws perpendicular to board surface using a depth-limited driver.
- Spacing: Maintain 250mm maximum centres on walls and 170mm on ceilings.
- Countersinking: Ensure head sits flush with the board surface; avoid overtightening.
- Finishing: Fill screw heads with Fermacell Joint Filler or Fine Surface Treatment after installation.
Compliance & Performance
- Material: Hardened steel with phosphate corrosion-resistant coating.
- Thread type: Fine-thread design for gypsum fibreboard applications.
- Box quantity: 1000 screws per box.
- Fire and system compliance: Certified for use within Fermacell tested wall and ceiling systems.
- Important note: Use only Fermacell-approved screws to maintain tested performance characteristics for structural, fire, and acoustic ratings.
