Timco Twin-Thread Woodscrews, Zinc Plated, Size 8 x 1 1/2, Pack of 20
Fast, durable Timco woodscrews—twin-threaded, zinc-plated, and countersunk for secure timber & masonry fixing.
The Timco Twin-Thread Woodscrews are designed for quick and secure fastening in soft timber or masonry applications when used with plastic plugs. Featuring a double countersunk head, these screws minimise the risk of head shear and ensure a flush finish when countersinking. Constructed from C10-18 carbon steel, they offer consistent quality and durability.
Key Features
- Twin-thread design with a single lead start enables faster insertion and greater pull-out resistance.
- Partially threaded (from 1 1/4” and above) for improved grip and stability.
- Surface hardened (750 HV) to prevent torque shearing under load, with a core hardness (450 HV) for ductility.
- 25° sharp point ensures a fast start and smooth thread engagement.
- Pozi (PZ) recess for secure driving with a PZ2 bit.
- Zinc finish provides corrosion resistance.
Dimensions & Specifications
- Thread Diameter: 4.0mm
- Length: 40mm
- Thread Length: 26.4mm
- Head Type: Double Countersunk
- Point Type: 25° Sharp
- Pack Quantity: 20 screws
- Soft timber applications
- Masonry (with plastic plugs)
- Furniture assembly
- General carpentry
- Material: C10-18 Carbon Steel
- Finish: Zinc Plated
- Thread Diameter: 4.0mm
- Length: 40mm
- Thread Length: 26.4mm
- Head Type: Double Countersunk
- Recess Type: Pozi (PZ2)
- Point Type: 25° Sharp
- Core Hardness: 450 HV
- Surface Hardness: 750 HV
- Thread Type: Twin-Thread, Single Lead
- Pack Quantity: 20
- Weight: 47g
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
