Zinc Woodscrew 4.0 x 20mm Bag 35 No 00834CWZP

The Zinc Woodscrew 4.0 x 20mm is a versatile fastening solution manufactured by T I Midwood & Co Ltd, ideal for both trade professionals and DIY enthusiasts. Featuring a double countersunk head, this screw is designed to reduce the likelihood of head shear and facilitate clean countersinking, making it perfect for applications in hardwood, softwood, chipboard, MDF, plastic, and thin sheet metal.

Constructed from high-quality C10-18 steel, these woodscrews boast a zinc plating of 3-5 microns for enhanced corrosion resistance. With a length of 20mm and a diameter of 4.0mm, they incorporate a 60° twin-thread design with parallel shank for faster insertion and improved pull-out resistance. Their surface hardness reaches up to 750 HV, while their core hardness is up to 450 HV, ensuring durability and performance under load.

Specifications

Type: Woodscrew
Diameter: 4.0mm
Length: 20mm
Pack Size: 35 screws
Material: C10-18 Steel
Finish: Zinc Plated (3-5 microns)
Head Type: Double Countersunk
Drive Type: Pozi (PZ2 for 4.0mm diameter)
Thread Type: 60° Twin-Threads, Partially Threaded from 1 1/4” and above
Surface Hardness: Up to 750 HV
Core Hardness: Up to 450 HV
Application: Hardwood, Softwood, Chipboard, MDF, Plastic, Thin Sheet Metal

Key Features

• Double countersunk head reduces the likelihood of head shear
• Partially threaded from 1 1/4” for versatility
• Zinc plating for improved corrosion resistance
• Constructed from durable C10-18 steel
• 60° twin-threads for faster insertion and better pull-out resistance
• Surface hardened up to 750 HV to prevent torque shearing