Fermacell Screws 3.9 x 30mm (1000/Box)
Nationwide Delivery
Wed 1 Jul
- 0days
- 20hrs
- 41mins
- 49secs
Nationwide Delivery
Wed 1 Jul
- 0days
- 20hrs
- 41mins
- 49secs
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Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
| Insulation, Plasterboard and Drylining Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £45 ex. VAT |
| Over £400 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £90 ex. VAT |
| Over £400 ex. VAT | £55 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 |
How delivery works
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
- Deliveries are typically kerbside.
- Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
- Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.
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
| URN: | 4007041 |
|---|---|
| Brand: | Fermacell |
| Width: | 3.9mm |
| Length: | 30mm |
| Sales Unit: | Box |
| Box Quantity: | 1000 |
| 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.
