4.0 Optimaxx Extreme Performance Wood Screws 200PC Box (4.0x40mm, Zinc Plate & Yellow Passivated, Pozi Screws)

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Optimaxx Wood Screws - 4.0 x 40 - Box of 200 - Double Reinforced Collar - Razor Sharp Point. 200 x Screws for Wood DOUBLE REINFORCED COLLAR – Significantly strengthens the underside of the head, preventing snapping and allowing a deeper Pozi recess. SELF COUNTERSINKING HEAD – These wood screws have unique 24 grooves cut into the underside of the head allowing them to self-countersink into all materials without the need to counter bore and without surface damage. RAZOR SHARP SAW-TOOTH FORMATION & POINT – On insertion the threads bite into the timber reducing torque and resistance, enabling fast penetration without a pilot hole. The sharp point gives you an immediate precise start even with the hardest and smoothest surfaces. FINISH – The sharp and deep thread formation is coated with a unique lubricant facilitating fast continuous insertion and protecting the wood screws against corrosion for improved durability., Manufacturer: Optimaxx

ManoMano

Unique 24 slots cut into the underside of the head - self countersinks into all material without the need to counter bore and without surface damage. Double reinforced collar - significantly strengthens the underside of the head, preventing snapping and allowing a deeper pozi recess. Sharp, wide, deep thread formation coated with a unique lubricant. Sharp saw tooth formation cut out of the bottom threads - on insertion the threads bite into the timber reducing torque and resistance, enabling fast penetration without a pilot hole. Specifically positioned long thin groove - dramatically reduces pressure build up on insertion by dispensing wood fibres, preventing splitting when screwing close to the edge. Razor sharp point as low as 20 degrees, with a thread that extends to the tip of the screw - giving you an immediate start even with the hardest, smoothest surfaces.