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View Product Reviews42mm Wafer Head Cement Board Screw Self-Drilling (200/Box)
Specifically designed for fixing cement board steel dry-lining frames (max. 3.0mm). 42mm self countersinking head for a secure and flush finish. Self-drilling point with a self-tapping thread.
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Tue 18 Mar
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- 4hrs
- 39mins
- 41secs
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Product Overview
Specifically designed for fixing cement board steel dry-lining frames (max. 3.0mm). 42mm self countersinking head for a secure and flush finish. Self-drilling point with a self-tapping thread.
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Delivery & Returns Information
All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.
This charge is based on delivery to mainland UK excluding the following postcodes: AB, DD, DG, KW, IV, LD, LL, PH, SA and SY. If your delivery address is in any of these postcode areas a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.
Standard (Nationwide) Delivery
| Screws & Fixings and Adhesives & Sealants | ||
|---|---|---|
| ORDER VALUE | DELIVERY CHARGE | |
| Under £100 | £7.50 ex. VAT | |
| Over £100 ex. VAT | FREE | |
| Insulation, Plasterboard and Drylining Products | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £150 | £50 ex. VAT | |
| Between £150 - £400 ex. VAT | £35 ex. VAT | |
| Over £400 ex. VAT | FREE | |
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £250 | £20 ex. VAT | |
| Over £250 ex. VAT | FREE | |
| SuperFOIL and YBS products | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Each item | £10 ex. VAT | |
| Over £350 ex. VAT of 1 brand | FREE | |
| Paving Stone Products | ||
| DELIVERY CHARGE | ||
| FREE | ||
| Thermafleece CosyWool Roll & SupaSoft Insulation | ||
| QUANTITY | DELIVERY CHARGE | |
| 1 | £30 ex. VAT | |
| 2 | £60 ex. VAT | |
| 3 to 12 | £70 ex. VAT | |
| 13 to 24 | £140 ex. VAT | |
| 25 to 36 | £210 ex. VAT | |
| 37 to 48 | £280 ex. VAT | |
| 49 to 60 | £350 ex. VAT | |
| 61+ | £420 ex. VAT | |
| Thermafleece CosyWool Slab, Thermafleece UltraWool & Thermafleece NatraHemp | ||
| QUANTITY | DELIVERY CHARGE | |
| 1 | £30 ex. VAT | |
| 2 | £60 ex. VAT | |
| 3 to 4 | £70 ex. VAT | |
| 5 to 8 | £140 ex. VAT | |
| 9 to 12 | £210 ex. VAT | |
| 13 to 16 | £280 ex. VAT | |
| 17 to 20 | £350 ex. VAT | |
| 21+ | £420 ex. VAT | |
| Block Pavers | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £100 | £17.50 ex. VAT | |
| Between £100 - £200 ex. VAT | £30.50 ex. VAT | |
| Between £200 - £900 ex. VAT | £105 ex. VAT | |
| Over £900 ex. VAT | FREE | |
| Artificial Grass | ||
| ORDER VALUE | DELIVERY CHARGE | |
| Under £100 | £12 ex. VAT | |
| Between £100 - £200 ex. VAT | £16.50 ex. VAT | |
| Over £200 ex. VAT | £22 ex. VAT | |
| Doors and Feature Panelling | ||
| QUANTITY | DELIVERY CHARGE | |
| 1 to 2 | £35 ex. VAT | |
| 3 to 4 | £45 ex. VAT | |
| 5+ | £60 ex. VAT | |
|
* Deliveries of Doors and Panels to Scotland may incur additional costs and may have an extended delivery time of an additional 3 working days. Delivery to the postcodes below will be charged an additional delivery fee. Our customer service team will reach out to you if you order requires an additional delivery charge. This will be calculated based on the difference between the standard cost charged and the total cost outlined below:
Postcodes: KA1-29, IV1-39, AB, PH1-41, DD, PA1-19, KY, FK, FK15-21 - £90 ex VAT (total delivery cost) |
||
| Ironmongery | ||
| DELIVERY CHARGE | ||
| 1+ | £16.50 ex. VAT | |
| Specialist Products | ||
| DELIVERY CHARGE | ||
| 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
- {{foundation}} Ideal for attaching cement boards to steel structures
- {{minimize}} Wafer head ensures a flush finish
- {{power_input}} Countersinking ribs under the screw head
- {{update}} Self-drilling point eliminates the need for pre-drilling
Technical Specification
| Length: | 42mm |
|---|---|
| Box Quantity: | 200 |
| Sales Unit: | Box |
| Collated: | No |
| Diameter: | 4.2mm |
| Head Type: | Wafer |
| Drive Type: | Phillips |
| Thread Type: | Self-Tapping |
| Thread Length: | Fully Threaded |
What Is A 42mm Wafer Head Cement Board Screw?
The 42mm Wafer Head Cement Board Screw is specifically designed for securely attaching cement-based boards, such as HardieBacker, to steel framing. Equipped with a self-drilling point, this screw easily penetrates steel up to 3mm thick without the need for pre-drilling.
Beneath the screw head, countersinking ribs ensure the screw sits flush with the surface. These ribs regulate the depth of insertion, preventing over-driving and ensuring a smooth, consistent fit. The screw's wafer head design evenly distributes pressure across the surface, minimising the risk of damaging the cement board while providing a strong, secure hold.
Applications
- Steel-to-Cement Board Fixing: Ideal for attaching cement boards to steel structures, this screw ensures a robust and reliable fastening solution, particularly for dry-lining frames or metal studs.
- Building and Partition Wall Systems: Perfectly suited for installation of partition walls, cladding, and other building systems requiring cement board attachment to steel frameworks.
Benefits
- No Pre-Drilling Required: The self-drilling point enables fast, hassle-free installation by eliminating the need for pre-drilling, saving you valuable time on-site and improving overall efficiency.
- Flush, Professional Finish: The countersinking ribs under the screw head ensure that it sits neatly and flush against the surface, delivering a clean and polished look once installed.
- Exceptional Strength and Hold: The fully threaded design ensures a tight grip, providing maximum holding power in steel frames.
- Enhanced Installation Efficiency: With a wafer head and Phillips drive, the screw allows for easy installation, reducing effort and making it compatible with standard tools, ensuring a smooth fastening experience.
- Versatile and Durable: Crafted for use in a wide range of construction projects, this screw is designed to withstand the rigours of both commercial and residential applications.
- Secure and Reliable: The self-tapping thread bites firmly into steel, ensuring a solid and reliable hold.
