Flooring Screws

12X5 Bugle Square Drive Course Thread Type 17 Point Deck Screw 18 8 Stainless Steel. Type-17 used in decking materials including woods with medium density and composite materials. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.

Coarse thread drywall screws have wide spaced threads and are standard for attaching drywall to studs.

8X3 Phillips Flat Head with Nibs Deep Thread Wood Screw with Type 17 Point Black Ox. Type-17 used in decking materials including woods with medium density and composite materials. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.

#7 x 2-1/2" Drywall Screw - Phillips Bugle Head - Steel - Black Phosphate - Sharp Point - Pkg of 100 Coarse thread drywall screws have wide spaced threads and are standard for attaching drywall to studs.

Machine screws have a uniform diameter the entire length of the shaft as opposed to tapered screws which have a pointed tip. Machine screws are typically used with a threaded hole to secure two parts together. Machine screws are fully threaded for use with a nut or in a tapped hole.