10 x 4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board 3/4-16 NTE 5 mm and the length

5 mm and the length of the screw is 70 mm

while the Grade 5 rating ensures strength and reliability

This 5/16-18 x 5 inch fully threaded carriage bolt is made of steel and has a zinc finish

It is also non-sparking

These 1/4" High Alloy Regular Split Lock Washers are made from AISI 4037 steel and are zinc plated yellow for corrosion resistance

10 x 4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board 3/4-16 NTE 5 mm and the lengthThese 10 x 4 Phillips Bugle Head Coarse Thread Drywall Screws are designed for use in drywall applications. They feature a black phosphate finish for corrosion resistance and a coarse thread for superior holding power. The bugle head design provides a flush, countersunk finish. These screws are ideal for attaching drywall to wood or metal studs. They are also suitable for use in particle board and other softwood applications.