Blackjaz Woodscrews 4.0 x 40mm (Bag Of 10)

Blackjaz Woodscrews are high-performance screws designed for general woodworking and light construction applications. With a diameter of 4.0mm and a length of 40mm, these screws are versatile enough for both trade professionals and DIY enthusiasts. They feature a partially threaded design, offering superior grip and stability in a variety of materials, and are made from carbon steel with a black passivated finish for enhanced corrosion resistance.

These screws have a corrosion rating of 3, making them suitable for urban and industrial areas with a low salt atmosphere. They are tested to a salt spray resistance of 1000 hours, ensuring durability and longevity. The round head and 25-degree sharp point type facilitate easy driving, while the PZ2 (Pozi) drive type optimises torque and reduces cam-out, making them a reliable choice for any woodworking project.

Specifications

Diameter: 4.0mm
Length: 40mm
Type: Partially threaded
Head Type: Round
Drive Type: PZ2 (Pozi)
Point Type: 25-degree Sharp
Corrosion Rating: 3 (Urban and industrial areas with a low salt atmosphere)
Salt Spray Resistance: 1000 hours (Tested to BS EN 9227)
Material: Carbon Steel
Finish: Black Passivated
Application: General woodworking, light construction

Key Features

• Partially threaded for enhanced grip
• Corrosion resistance suitable for urban conditions
• Round head design for versatile applications
• 25-degree sharp point for easy penetration
• 1000 hours salt spray resistance