4.0 Optimaxx Extreme Performance Wood Screws 200PC Box (4.0x25mm, Zinc Plate & Yellow Passivated, Pozi Screws)

General description OPTIMAXX C288-412 4.0X25 FULL THREAD screws feature a unique design that allows for self-countersinking into various materials without the need for counterboring, ensuring no surface damage. The screws are engineered with a double reinforced collar that enhances strength and prevents snapping, while also allowing for a deeper pozi recess. The sharp, wide, and deep thread formation is coated with a special lubricant for improved performance. Technical specifications Size: 4.0 x 25 mm Thread type: Full thread Unique features: 24 slots cut into the underside of the head, razor sharp point at 20 degrees Usage Designed for fast penetration into timber without a pilot hole Reduces torque and resistance during insertion Prevents wood splitting when screwing close to edges