🔧 Screw Your Way to Success! Special wax coating enhances insertion speed. Extra deep insert bit recess for a firmer drive. Manufactured by ForgeFix for reliability and durability. Ideal for softwoods, hardwoods, chipboards, and fibreboards. Single thread design maximizes grip, especially with MDF. 4.0 x 40mm size 200 screws per box Zinc yellow passivated finish The ForgeFix Multi-Purpose Single Thread Screws are designed for versatility and efficiency, featuring a 4.0 x 40mm size and a durable zinc yellow passivated finish. With 200 screws in a box, these screws are perfect for a variety of substrates, ensuring a strong hold and quick installation for all your projects.