50mm Black Drywall Screws Coarse Thread (1000/Box)
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Wed 17 Jun
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Key Features
- {{engineering}} Compatible with a standard Phillips bit for easy installation
- {{fitness_center}} Coarse thread provides superior holding strength
- {{call_split}} Sharp point reduces wood splitting
- {{straighten}} Allows for a flush finish
Technical Specification
| URN: | 2006044 |
|---|---|
| Product: | Coarse Thread |
| Indoor/Outdoor Usage: | Indoor |
| Material Type: | Carbon Steel |
| Length: | 50mm |
| Diameter: | 3.5mm |
| Sales Unit: | Box |
| Box Quantity: | 1000 |
| Head Type: | Bugle |
| Drive Type: | Phillips |
| Thread Type: | Coarse |
| Thread Length: | Fully Threaded |
| Collated: | No |
| Colour: | Black |
Product Overview
50mm Black Drywall Screws for double-board plasterboard systems and deeper timber applications. Each screw is manufactured from hardened carbon steel with a black phosphate coating that provides light corrosion resistance and a clean, low-glare finish.
The bugle head ensures a smooth, flush seating without tearing the board’s paper surface, achieving a professional, ready-to-fill finish.
A sharp W-type gimlet point allows easy penetration and rapid engagement into timber, reducing driving effort. The coarse thread is optimised for wood substrates, delivering strong bite and resistance to pull-out in natural grain.
50mm length fixings suited to double-layer plasterboard systems or high-density board installations.
Features & Benefits
- Material: Hardened carbon steel for strength and consistent driving torque.
- Corrosion resistance: Black phosphate coating resists rust and oxidation under dry interior conditions.
- Head design: Bugle head compresses gypsum and paper for a flush surface finish.
- Thread type: Coarse W-type thread offers fast drive and secure grip in timber.
- Point type: Sharp gimlet point ensures quick starting and reduced splitting.
- Nominal size: 50mm length.
- Box quantity: Supplied in a box of 1000 for efficient coverage of high-volume projects.
Applications
- Double-board plaster systems: Provides deep anchorage.
- Ceilings and partitions: Suitable for thicker wall builds.
- High-density board assemblies: Consistent hold strength.
Installation Guidance
- Drive type: Use a Phillips No.2 bit for controlled installation.
- Speed setting: Drive at medium speed to avoid over-countersinking.
- Depth control: Seat screw head just below the paper surface without rupturing.
- Spacing: Maintain 250mm centres on walls and 150mm on ceilings.
Compliance & Performance
- Manufacturing reference: Produced in accordance with EN 14566 for drywall screws.
- Finish: Black phosphate coating provides corrosion protection for interior use.
- Safety: Always wear eye protection and ensure stable support when driving.
- Important note: Not suitable for exterior or high-moisture environments.
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
| Screws & Fixings and Adhesives & Sealants | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £75 | £7.50 ex. VAT |
| Over £75 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.
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